CN108348374A

CN108348374A - Absorbent commodity

Info

Publication number: CN108348374A
Application number: CN201680063873.4A
Authority: CN
Inventors: 佐佐木纯
Original assignee: Kao Corp
Current assignee: Kao Corp
Priority date: 2015-11-20
Filing date: 2016-10-18
Publication date: 2018-07-31
Anticipated expiration: 2036-10-18
Also published as: RU2683340C1; GB2559705B; GB2559705A; WO2017086076A1; GB201808869D0; JP2017093748A; TW201720401A; CN108348374B; DE112016005344T5; TWI710366B; JP6170987B2

Abstract

The positive dough sheet (2) of the present invention includes the laminated body of first and second.Laminated body has multiple joint portions caused by first local engagement with second, and first prominent to separate second direction at the position in addition to joint portion, and is formed towards body multiple protrusions outstanding of wearer.Positive dough sheet (2) have middle section (S) and with middle section (S) adjacent pair lateral region (M).The shape and/or configuration pattern at joint portion are different from lateral region (M) in middle section (S).The area occupation ratio at joint portion is roughly the same with lateral region (M) in middle section (S).The number at the joint portion of per unit area is more than middle section (S) in lateral region (M).

Description

Absorbent commodity

Technical field

The present invention relates to the various absorbent commodities such as disposable diaper, sanitary napkin.

Background technology

It has been known that there is following technologies, with the skin of reduction positive dough sheet and wearer in the state of wearing absorbent commodity For the purpose of contact area or friction or raising texture or gas permeability, solid is made with respect to surface side in the skin in positive dough sheet Shape.For example, a kind of positive dough sheet 2 of absorbent commodity 1 is recorded in patent document 1, in the central portion positioned at length direction Middle section 2c there is the protrusions 21 of multiple shapes longer on the length direction, and before middle section 2c End regions 2a, 2b afterwards has the protrusion 22 of multiple shapes longer in the width direction of absorbent commodity.Middle section Protrusion 21,22 in 2c and end regions 2a, 2b is configured to the shape disperseed in the length direction and width direction of absorbent commodity 1 State.Positive dough sheet 2 includes：First non-woven fabrics 23 is formed with protrusion 21,22；With the second non-woven fabrics 24 of general planar, The part in addition to protrusion 21,22 of one non-woven fabrics 23 is engaged with the first non-woven fabrics 23.Recorded in the document with it is this just 1 absorbent properties of absorbent commodity of dough sheet 2 are excellent, and leakage performance is also excellent.

Positive dough sheet 2 that a kind of absorbent commodity 1 is recorded in patent document 2 extends along its length being configured at The middle section 2a of central portion is formed with multiple protrusions 21 with the state in length direction and width direction dispersion, and is configuring Lateral region 2b, 2b in the left and right sides of middle section 2a is formed with multiple row by multiple protrusions 22 in length in width direction Protrusion row R1~R3 that degree direction is connected in series.Positive dough sheet 2 includes：First non-woven fabrics 22 is concaveconvex shape by figuration；With it is big The second flat non-woven fabrics 23 is caused, is connect with the first non-woven fabrics 22 in the whole or part of the recess portion 22a of the first non-woven fabrics 22 It closes.It is excellent that 1 leakage performance of absorbent commodity with this positive dough sheet 2 has been recorded in the document, can be effectively prevented side Leakage and both leakages from front and back end.

Existing technical literature

Patent document

Patent document 1：Japanese Unexamined Patent Publication 2009-136349 bulletins

Patent document 2：Japanese Unexamined Patent Publication 2009-148445 bulletins

Invention content

Problems to be solved by the invention

In order to improve the soft of the positive dough sheet such as the fitting laminated body comprising 2 non-woven fabrics recorded in patent document 1 and 2 The bonding area rate of two non-woven fabrics, is effectively set to relatively low by the friction of softness or reduction and the skin of wearer.So And the reduction of bonding area rate can lead to the reduction of the bond strength of two non-woven fabrics in most cases.The reduction of bond strength Sometimes as the original of generation protuberance etc. between the stripping or two non-woven fabrics of two non-woven fabrics of the absorbent commodity in dress Cause.Especially near the leg opening part in the high region of the degree as the skin contact with wearer, it is more easy to cause above-mentioned stripping From or protuberance generation.

The method used for solving the problem

The present invention provides a kind of absorbent commodity comprising positive dough sheet, back sheet and the suction being configured between the two pieces Acceptor,

Above-mentioned positive dough sheet includes the laminated body of first and second,

Above-mentioned laminated body have multiple joint portions caused by first local engagement with second, first except Position other than above-mentioned joint portion is prominent to separate second direction, and is formed outstanding multiple convex towards the body of wearer Portion,

Above-mentioned positive dough sheet have positioned at width direction central portion and length direction extend middle section and in this Entreat region it is adjacent and length direction extend a pair of of lateral region,

The shape and/or configuration pattern at above-mentioned joint portion are different from lateral region in middle section,

The area occupation ratio at above-mentioned joint portion is roughly the same with lateral region in middle section,

The number at the above-mentioned joint portion of per unit area is more than middle section in lateral region.

Description of the drawings

Fig. 1 is to make the elasticity of each section for the disposable diaper of an embodiment of the absorbent commodity of the present invention Component extends and becomes and be extended to planar unfolded state, and the diaper from skin opposite face, that is, positive dough sheet side Vertical view.

Fig. 2 is the thickness direction sectional view for schematically showing II-II line section in Fig. 1.

Fig. 3 is the vertical view of a part for the skin opposite face for indicating to be configured at the positive dough sheet of diaper shown in FIG. 1.

Fig. 4 is the vertical view for indicating the major part amplification of Fig. 3.

Fig. 5 is the first fiber of the positive dough sheet for indicating the absorbent commodity for the present invention or the cross-section structure of the second fiber An example schematic diagram.

Fig. 6 (a) and Fig. 6 (b) is bowing for another embodiment for the positive dough sheet for indicating the absorbent commodity for the present invention View.

Specific implementation mode

The present invention relates to the improvement of the positive dough sheet of the absorbent commodity of the laminated body comprising 2 pieces, further specifically It is related to a kind of absorbability object for the positive dough sheet for having and showing good texture and being not easy to generate stripping and protuberance between 2 pieces Product.

Hereinafter, for the absorbent commodity of the present invention, based on its preferred embodiment and it is described with reference to the accompanying drawings.Figure 1 and Fig. 2 indicates the disposable diaper 1 of an embodiment of the absorbent commodity of the present invention.There is diaper 1 when of wearing to be configured at The veutro portion 1F of the veutro of wearer, the drosal part 1R for being configured at back side and positioned at the crotch 1M between them.Diaper 1 has Via crotch 1M extend to drosal part 1R and be equivalent to from veutro portion 1F the longitudinal direction X in the front-back direction of wearer and with it just The lateral Y of friendship.Veutro portion 1F, crotch 1M and drosal part 1R are equivalent to diaper 1 areas Shi Ge the trisection on longitudinal X the case where Domain.There are crotch 1M the row of when the wearing diaper 1 and row portion of letting out of wearer relative configuration to let out portion's counterpart, which lets out portion's counterpart Be usually located at longitudinal X of diaper 1 central portion or its near.

As depicted in figs. 1 and 2, diaper 1 has：Absorber 4, with absorbent core 40；The positive dough sheet 2 of liquid permeability, The skin of the absorber 4 is configured at respect to surface side, and can be with the skin contact of wearer when wearing；With opaque liquid or dial Aqueous back sheet 3 is configured at the non-skin of the absorber 4 with respect to surface side.In vertical view as shown in Figure 1, the formation of diaper 1 For positioned at the central portion of longitudinal X of crotch 1M inwardly shrinking and in one direction, i.e. on longitudinal direction X longer lengthwise hourglass Shape.Positive dough sheet 2 has the size roughly the same with absorber 4, or with the size bigger compared with absorber 4.Back sheet 3 has big In the size of absorber 4.In addition, back sheet 3 has the size more than positive dough sheet 2.The periphery of back sheet 3 from absorber 4 is outside Side extends out, and forms the shape of the diaper 1 of expansion as shown in Figure 1 and elongation state.It, can be without special limit as back sheet 3 The layered product of resin film, resin film and non-woven fabrics etc. can be used using various in the past for this absorbent commodity in system ground Deng.Back sheet 3 can have gas permeability.

In the present specification, " skin opposite face " is wearing in absorbent commodity or its member of formation (such as absorber 4) When absorbent commodity towards the face of the skin side of wearer, i.e. the in contrast face of side closer from the skin of wearer.It is " non- Skin opposite face " be in absorbent commodity or its member of formation when wearing absorbent commodity towards with skin side opposite side, I.e. towards the face in contrast from the skin of wearer side farther out.This place speech refers to remaining common appropriate " when wearing " Position, the i.e. absorbent commodity of wearing correctly wear the state of position, do not include that absorbent commodity is in deviation this is worn The case where the state of position.

The left and right sides along longitudinal X in 2 side of positive dough sheet of diaper 1, is each configured with sidepiece sheet 5.Sidepiece sheet 5 has Along longitudinal X interior side edge part and positioned at compared with the interior side edge part by transverse direction Y outside and along the outside edge of longitudinal X, such as When vertical view shown in FIG. 1, the interior side edge part is Chong Die with absorber 4, as shown in Fig. 2, the outside edge from absorber 4 along vertical It extends out on the outside of to the lateral margin of X to lateral Y and is engaged with back sheet 3.In left and right of the configuration around the leg of wearer Between sidepiece sheet 5 in leg and back sheet 3, linear elastic component 50 is fixed along longitudinal X with elongation state.As a result, In leg when wearing of diaper 1, a pair of of leg creases are formed by the contraction of elastic component 50.In addition, in sidepiece sheet 5 Interior side edge part, linear elastic component 51 are fixed along longitudinal X with elongation state, when wearing diaper 1 as a result, pass through elasticity The contraction of component 51, at least in crotch 1M, the interior side edge part side of sidepiece sheet 5 is using the joint portion with back sheet 3 as starting point, direction The skin side of wearer erects, and forms leakproof encirclement.The leakproof encirclement can prevent the row drainages such as urine to the outside of lateral Y Outflow, i.e. so-called side leakage.Positive dough sheet 2, back sheet 3, absorber 4, sidepiece sheet 5 and elastic component 50,51 are viscous by heat molten type Joint method well known to agent etc. is connect to be interconnected.

Diaper 1 is the disposable diaper of so-called deploying type.As shown in Figure 1, diaper 1 drosal part 1R along longitudinal direction The both sides edge of X is provided with a pair of of pull stap 6,6.Consolidating for the sunny side component comprising mechanicalness surface fastener is installed in pull stap 6 Socket part (not shown).In addition, the non-skin opposite face of the veutro portion 1F in diaper 1, is formed with the moon for including mechanicalness surface fastener Surface member is fixed region 7.Be fixed region 7 by using well known joint method, such as bonding agent or heat-sealing by machine The non-skin for the back sheet 3 that the non-skin opposite face to form veutro portion 1F is fixed in the back component engagement of tool surface fastener is opposite Face and formed, so as to disassembly ease the above-mentioned Fixed Division of fixed agraffe band 6.

In vertical view as shown in Figure 1, absorber 4 is formed as the longer shape on longitudinal X, and extends from veutro portion 1F To drosal part 1R.Absorber 4 includes the absorbent core 40 of the liquid retainability containing absorbent material and coats the absorbent core The clad sheet 45 of 40 skin opposite face 40a and non-skin opposite face 40b and constitute.Lead between absorbent core 40 and clad sheet 45 It crosses engagement means well known to hot melt adhesive etc. and engages.Absorber 4 (absorbent core 40) about by diaper 1 in the lateral direction y It is divided into two and the imaginary line (non-icon) extended on longitudinal X is asymmetrically formed.

Absorbent core 40 can be single layer structure.Alternatively, absorbent core 40 can be multilayered structure.In vertical view as shown in Figure 1 When, absorbent core 40 is formed as the hourglass-shaped of length direction, the i.e. central portion of longitudinal direction X shrinking inwardly.Absorbent core 40 be by It is formed including the core forming material of absorbent material carries out fiber accumulations.As absorbent material, can use with no particular limitation The usually used substance of forming material as this absorbent core, for example, can enumerate：Wood pulp, the hydrophilized dose of conjunction handled Hydrophilic fibres, the water-absorbing polymeric particles such as long and slender dimension.That is, absorbent core 40 can be hydrophilic fibre fiber accumulations body, Or the fiber accumulations body is made to hold core made of water-absorbing polymeric particles.

As clad sheet 45, the sheet material of water penetration can be used.As clad sheet 45, for example, paper, non-woven fabrics can be used Deng.In the diaper 1 of present embodiment, clad sheet 45 be the length of the lateral Y with absorbent core 40 2 times or more 3 again with Under width 1 continuous clad sheet 45, as shown in Fig. 2, 1 clad sheet 45 is by the skin opposite face of absorbent core 40 The whole region of 40a coats, and from the both side edges along longitudinal X of absorbent core 40 to lateral Y on the outside of extend out, this prolongs Extending portion coats the whole region of the non-skin opposite face 40b of absorbent core 40 to last volume to the lower section of absorbent core 40.But It's not limited to that for the form of clad sheet 45, for example, it is also possible to include the flesh for coating the skin opposite face 40a of absorbent core 40 Skin side clad sheet and the non-skin side clad sheet for coating the non-skin opposite face 40b of absorbent core 40, and two panels is respectively only Found the piece of individual.

As shown in figure 3, the positive dough sheet 2 for the sides skin opposite face 40a being configured in absorber 4 has middle section S and position A pair of of lateral region M, M in the both sides of middle section S.Middle section S is located at the width direction (i.e. transverse direction Y) of diaper 1 Central portion, and extend along the length direction of diaper 1 (i.e. longitudinal direction X).A pair of of lateral region M, M are adjacent with middle section S, and edge The length direction (i.e. longitudinal direction X) for diaper 1 extends.Middle section S and lateral region M is preferably at least formed in crotch 1M, more excellent Choosing is formed from crotch 1M to either or both of veutro portion 1F and drosal part 1R, more preferably throughout the overall length of absorber 4 and It is formed, is still more preferably formed throughout the overall length of diaper 1.

Middle section S and lateral region M can be distinguished according to the shape and/or configuration pattern at following joint portions.Center The width of region S is preferably 30% or more relative to the width of positive dough sheet 2, and more preferably 40% or more.Additionally, it is preferred that being 70% Hereinafter, more preferably 60% or less.In turn, the width of middle section S is preferably 30% or more relative to the width of positive dough sheet 2 70% hereinafter, more preferable 40% or more 60% or less.The width of lateral region M is preferably 15% relative to the width of positive dough sheet 2 More than, more preferably 20% or more.Additionally, it is preferred that for 35% hereinafter, more preferably 30% or less.In turn, the width of lateral region M It is preferably 15% or more 35% hereinafter, more preferably 20% or more 30% or less to spend relative to the width of positive dough sheet 2.Another party Face, the summation of the width of lateral region M are preferably 30% or more relative to the width of positive dough sheet 2, and more preferably 40% or more.Separately Outside, preferably 70% hereinafter, more preferably 60% or less.In turn, the summation of the width of lateral region M is relative to positive dough sheet 2 Width is preferably 30% or more 70% hereinafter, more preferably 40% or more 60% or less.

Positive dough sheet 2 includes the laminated body of first and second.First in the state of wearing diaper 1, is located at dress The bodyside of person.Second is located at 4 side of absorber.As shown in Fig. 4 of the enlarged drawing of the major part as Fig. 3, positive dough sheet 2 exists It it is first and second be laminated by being embossed processing or ultrasonic wave in any one of middle section S and lateral region M Processing and locally engage, to be formed with multiple joint portion M11, M12, S11, S12, first except joint portion M11, Position other than M12, S11, S12 is prominent to separate second direction, and is formed outstanding convex towards the skin side of wearer Portion M21, S21, S22.Positive dough sheet 2 in any one of middle section S and lateral region M, be second side face it is substantially flat It is smooth, it is formed with the big bumps that rise and fall first side.

In the middle section S of positive dough sheet 2, it is formed with 2 kinds of joint portions S11, S12.Joint portion S11, S12 are being in have It is consistent with for the aspect of the rectangle on the side of transverse direction Y along longitudinal X, but be in mutually different shape.Joint portion S11 is along longitudinal direction X separates defined distance and is configured to column-shaped, to form the first joint portion row S31.Joint portion S12 is separated also along longitudinal X Defined distance and be configured to column-shaped, to formed the second joint portion row S32 and third joint portion row S33.Adjacent first Between the row S31 of joint portion, it is alternately configured with the second joint portion row S32 and third joint portion row S33.Second joint portion row S32 With third joint portion row S33, the pitch along the joint portion S12 of longitudinal X is identical, and phase shifting half pitch.By with this Mode configures joint portion S11, S12, has protrusion S21, S22 in middle section S formation.Protrusion S21 is in long along the length of lateral Y In the plan view shape of the substantially elliptical of the length along longitudinal X.Protrusion S22 is in along the length of lateral Y and along longitudinal X's The generally circular plan view shape of same length.When observing positive dough sheet 2 along longitudinal X, there is edge in middle section S formation The first protrusion row S34 that longitudinal direction X is alternately configured with protrusion S21 and protrusion S22.First protrusion row S34 is located at and above-mentioned the The identical positions two joint portion row S32.In addition, when observing positive dough sheet 2 along longitudinal X, have along vertical in middle section S formation The second protrusion row S35 of protrusion S22 is only configured with to X.Second protrusion row S35 is located at identical as above-mentioned third joint portion row S33 Position." substantially elliptical " is the concept for including complete ellipse and oblong." along the length of lateral Y and along vertical To X same length it is roughly circular " include both：Complete round and length along longitudinal X relative to Ellipse when the case where being in the range of ± 10% along the length of lateral Y.

In the lateral region M of positive dough sheet 2, it is formed with 2 kinds of joint portions M11, M12.Joint portion M11, M12 are being in have It is consistent with for the aspect of the rectangle on the side of transverse direction Y along longitudinal X, but be in mutually different shape.Joint portion M11 is along longitudinal direction X separates defined distance and is configured to column-shaped, to form the 4th joint portion row M31.Joint portion M12 is separated also along longitudinal X Defined distance and be configured to column-shaped, to formed the 5th joint portion row M32.4th joint portion row M31 and the 5th joint portion arrange M32 is alternately configured in lateral Y.In the pitch of joint portion M11 in 4th joint portion row M31 and the 5th joint portion row M32 The pitch all same of joint portion M12.Also, in the 4th joint portion row M31 and the 5th joint portion row M32, joint portion M11, M12's Configure the half pitch that is staggered.As a result, in lateral region M, it is simply formed with a kind of protrusion i.e. protrusion M21.Protrusion M21 is formed In being wrapped with along total 4 joint portions of the adjacent 2 joint portion M12 of lateral Y along 2 adjacent longitudinal X joint portion M11 In the region enclosed.Protrusion M21 is in the generally circular vertical view of the length and the same length along longitudinal X along lateral Y Shape.When observing positive dough sheet 2 along lateral Y, in lateral region M, the is formed with made of protrusion M21 is configured along lateral Y Three protrusion row M33 and the 4th protrusion row M34.The row M33 and the 4th protrusion row M34 in third protrusion, the pitch of protrusion M21 is identical, And the configuration of protrusion M21 is staggered half pitch.

About the protrusion S21 and protrusion S22 for being formed in middle section S, height can be identical, or can also be different, But for improving the viewpoint of appearance and sense of touch, preferably different height.In the different situation of the height of two protrusion S21, S22 When, protrusion S22 can be higher than for protrusion S21, or also can be on the contrary, protrusion S22 is higher than protrusion S21.By the way that 2 kinds of protrusions are set as Different height, when touching the position with finger, the different position of sense of touch can alternately occur, and with height identical 1 The case where kind protrusion, is compared, and better texture can be experienced.In addition, in the listed urine let out along the surface flow of positive dough sheet 2 When, resistance when urine is moved from lower protrusion to higher protrusion becomes larger, and thus urine becomes to be not easy to flow, and can reduce leakage. About the protrusion M21 for being formed in lateral region M, the height of protrusion M21 can be identical as protrusion S21 and protrusion S22, or also may be used With difference.For example, the height of protrusion M21 can be identical as any one of protrusion S21 and protrusion S22, or can also with it is convex Portion S21 is identical with the two of protrusion S22, or can also be different from the rwo.Lateral region M is due to the activity of the leg of wearer It is easy to generate the protuberance of positive dough sheet 2.Therefore, for the viewpoint that may refrain from the protuberance of positive dough sheet 2, it is configured at the convex of lateral region M Portion M21 is preferably made of a kind of protrusion.Additionally, it is preferred that compared to be configured at more pay attention to texture middle section S protrusion S21, The height of S22, the height for being configured at the protrusion M21 of lateral region M is relatively low, or both height it is identical.

In positive dough sheet 2, the shape and/or configuration pattern of joint portion S11, S12, M11, M12 are in middle section S and side Region M is different.That is, at least either of the shapes or configure pattern of joint portion S11, S12, M11, M12 is in middle section S and side Portion region M is different.Specifically, it is any one of following situation in middle section S and lateral region M：(i) joint portion Configuration pattern is identical, but the shape at joint portion is different；(ii) shape at joint portion is identical, but the configuration pattern at joint portion is different； Or the configuration pattern at the joint portion (iii) is different, and the shape at joint portion is also different.By in middle section S and lateral region M This species diversity is set, the contact of positive dough sheet 2 and the skin of wearer can be suitably controlled, and also can substantially change appearance, It is preferred that the shape and configuration pattern at joint portion is different.In Fig. 3 and embodiment shown in Fig. 4, in middle section S and lateral zones The configuration pattern of domain M, joint portion S11, S12, M11, M12 are different, and the shape of joint portion S11, S12, M11, M12 are also different.

In positive dough sheet 2, in middle section S and lateral region M, the shape and/or configuration pattern at joint portion are different, this Outside, the area occupation ratio at joint portion is roughly the same with lateral region M in middle section S.The area occupation ratio (%) at joint portion refers in center Region S and lateral region M it is respective in, the summation of the area at shared joint portion divided by the defined face in defined area Product is multiplied by with 100 obtained values.The roughly the same area occupation ratio at joint portion includes the following two kinds situation：The area occupation ratio at joint portion exists At area occupation ratio of the area occupation ratio of situation and lateral region M identical as lateral region M middle section S relative to middle section S The case where in the range of ± 15%.That is, when the area occupation ratio of middle section S is A%, the area occupation ratio of lateral region M is The situation of 0.85A% or more 1.15A% or less, referred to as middle section S are roughly the same with the area occupation ratio of lateral region M.

It is roughly the same with lateral region M in middle section S by the area occupation ratio at joint portion, produce following advantage, that is, In the state of wearing diaper 1, constitute first of positive dough sheet 2 becomes to be not easily stripped with second.In addition, also producing following excellent Point, that is, the variation of pressure when roller when being bonded first with second and manufacturing positive dough sheet 2 rotates tails off, in addition, can So that the line of the width direction of roller is pressed in middle section S roughly the same with lateral region M, significantly improves processability.For example, first Become to be not likely to produce cavity in piece and second be bonded.In addition, the roller for fitting can be inhibited to generate abrasion and defect.

In addition, it is roughly the same with lateral region M in middle section S by the area occupation ratio at joint portion, it can obtain to absorbing Important advantage for property article, that is, equably absorb the listed urine let out using absorber entire surface.In present embodiment In, forming multiple engagements by being embossed processing or ultrasonic wave processing locally engages be laminated first and second When portion M11, M12, S11, S12, in the joint portion, the fibrous coat of first and second non-woven fabrics is constituted to prevent Stripping, protuberance in use, in joint portion, urine is not absorbed.Due to being urinated with 3cc/sec or more under common use state 20cc/sec speed row below are let out to middle section S, so only lean on middle section S that can not fully absorb, thus it is important that Not only in middle section S, but also also by transient absorption in lateral region M.If being present in middle section S, lateral region M The area occupation ratio at joint portion is different, then infiltration rate of the listed urine let out at each position will produce deviation, due to the situation, and it is difficult Equably and expeditiously to utilize absorber entire surface, to become prone to leak.In the present invention, due to the position Joint portion area it is identical, so this unfavorable condition can be prevented.In addition, by utilizing equably and expeditiously The Free water (moisture that water-absorbing polymeric particles are not kept) of absorber entire surface, diaper inside is reduced, additionally it is possible to be inhibited Diaper moisture in dress is back to skin.

With the area occupation ratio at joint portion in middle section S roughly the same with lateral region M for condition, middle section S and side The area occupation ratio at the joint portion in the M of region is preferably 10% or more, and more preferable 15% or more.In addition, the area occupation ratio at joint portion is preferred For 40% hereinafter, more preferably 35% or less.The area occupation ratio at joint portion is preferably 10% or more 40% hereinafter, being more preferably 15% or more 35% or less.By the way that area occupation ratio is set as the range, can not reduce positive dough sheet 2 skin sense of touch, absorb In the case of performance, the bond strength of 2 pieces is fully improved.

In positive dough sheet 2, joint portion is different from the shape of lateral region M and/or configuration pattern in middle section S, in addition, The number at the joint portion of per unit area is more than middle section S in lateral region M.The number at the joint portion of lateral region M is set There are the advantages described below (a) and (b) to be more than middle section S.

(a) degree of freedom of the composition fiber of positive dough sheet 2, i.e. fiber mobile easness in middle section S higher than lateral zones Domain M.As a result, the pliability of middle section S improves.

(b) protrusion in the lateral region M and difference of height between recess portion is opposite is lower, and the degree of freedom of fiber reduces.Its As a result it is the breakage for the positive dough sheet 2 for becoming to be not susceptible in the lateral region as caused by the activity of the leg of wearer.In addition, logical It crosses and is set as the number at the joint portion of each lateral region M to be more than middle section S, also generate following advantage, that is, the roller two when manufacture The vibration of side becomes smaller, and significantly improves processability.For example, first with become to be not likely to produce sky in second be bonded Hole.In addition, the roller for fitting can be inhibited to generate abrasion or defect.

In positive dough sheet 2, the maximum joint portion of area in joint portion S11, the S12 that will be formed in middle section S The area is set as C, and the area at the maximum joint portion of area that will be formed in joint portion M11, M12 of lateral region M is set as D When, preferably there is the relationship of C ＞ D.Area by making to be formed in the joint portion of middle section S, which is more than, is formed in lateral region M Joint portion area, become prone to make to be formed in the number at the joint portion of middle section S less than being formed in connecing for lateral region M The number in conjunction portion.As a result, in the state of wearing diaper 1, irregular fold is not likely to produce in middle section S.If generating not The fold of rule then urinates or excrement makes it easy to flow along fold, becomes prone to leak due to the situation sometimes. In contrast, the generation by inhibiting fold, fluid seepage are suppressed.

For further suppressing the viewpoint of generation of fold, area D is preferably the 80% of area C hereinafter, more preferably 70% or less.In addition, area D is preferably 20% or more of area C, more preferably 30% or more.Area D is preferably area C 20% or more 80% hereinafter, more preferably 30% or more 70% or less.

The summation of the area at the joint portion of area C ratio shared in the summation of the area at the joint portion of middle section S Preferably 20% or more, more preferably 30% or more.The upper limit of the ratio is preferably 80%, and more preferably 70%.On the other hand, The summation of the area at the joint portion of area D ratio shared in the summation of the area at the joint portion of lateral region M is preferably 80% or more, more preferably 90% or more.The upper limit of the ratio is preferably 100%.

In positive dough sheet 2, the length longest along longitudinal X in joint portion S11, the S12 that will be formed in middle section S The length at joint portion be set as E, will be formed in the length alongst in joint portion M11, M12 of lateral region M When the length at longest joint portion is set as F, preferably there is the relationship of E ＞ F.As a result, in the state of wearing diaper 1, because in Centre region S be subject to from the thigh of wearer to the power of laterally inboard and when middle section S generates fold, become prone to advise Then generate the fold.In other words, become to be not likely to produce irregular fold in middle section S.Due to the situation, fluid seepage It is suppressed.

For so that the generation of fold is become more regular viewpoint, length F is preferably the 80% of length E hereinafter, more preferably It is 70% or less.In addition, length F is preferably 20% or more of length E, more preferably 30% or more.Length F is preferably length E 20% or more 80% hereinafter, more preferably 30% or more 70% or less.

The summation of the area at the joint portion of length E ratio shared in the summation of the area at the joint portion of middle section S Preferably 20% or more, more preferably 30% or more.The upper limit of the ratio is preferably 100%, and more preferably 80%.Another party Face, the ratio that the summation of the area at the joint portion of length F is shared in the summation of the area at the joint portion of lateral region M are preferably 60% or more, more preferably 80% or more.The upper limit of the ratio is preferably 100%, and more preferably 90%.

In positive dough sheet 2, the shear stress of the piece 2 in preferably lateral region M is higher than the piece 2 in middle section S Shear stress.Shear stress is formed at the index of the pliability of the protrusion of middle section S and lateral region M, and shear stress is got over It is small, it is meant that protrusion is more soft.Therefore, the shear stress in lateral region M is higher than the shear stress meaning in middle section S It, the protrusion of middle section S is more soft compared with lateral region.Thereby, it is possible to make as to the most overriding region of pliability The protrusion of middle section S become soft, the wearing feeling of diaper 1 can be made good.

Shear stress profit is measured with the following method.

From the positive dough sheet of measure object cut longitudinal length 50mm and lateral length 30mm vertical view rectangular shape and conduct Test film.Secondly, will be same shape, adhesive tape (Nitto Denko Corp's manufacture, the trade name of identical size with test film " No.500 ") it is overlapped in PET (Polyethylene Terephthalate, polyethylene terephthalate) film (STAR CORPORATION, trade name " Star OHP Film ") and laminated body (A) is made, stress the non-protrusion of test film to be laminated on this Adhesive tape side on laminated body (A) and obtain laminated body (B), and the roller of 1kg is made to make stacking round-trip 5 times on laminated body (B) Adhesive tape in body (B) is crimped with test film.In addition, preparation can be by the shape of test film integral coating, the mechanicalness of size The sunny side component (3M companies manufacture, trade name " 1600PPI ") of hasp is used as glued, and makes the experiment on laminated body (B) The projection of piece is crimped via the seta material of the glued on piece and with 1.5kPa loads, to obtain determination sample.It should Determination sample is installed on (collet between the collet of cupping machine (the Autograph AG-X of Shimadzu Scisakusho Ltd's manufacture) Pitch is from 150mm), it is measured the 180 degree stripping of sample.The 180 degree peels through under type such as and carries out, that is, will measure sample The laminated body (B) of longitudinal one end of product and the glued collet for being held on cupping machine respectively of the other end, and to 180 degree Opposite direction stretches.Tensile speed is set as 300mm/min, records the maximum value of tensile load at this time.Measurement site is from one Left and right, central total 6 positions of the respective diaper short side direction of abdomen, back side in diaper length direction are extracted in piece diaper As test film, to adding up to 3 diapers to be measured, and answered their average value as the shearing of the positive dough sheet of measure object Power (unit：N).

The value of the shear stress of middle section S is preferably 25N or more, more preferably 30N or more.Additionally, it is preferred that for 34N with Under, more preferably 33N or less.The value of the shear stress of middle section S be preferably 25N or more 34N hereinafter, more preferably 30N with Upper 33N or less.On the other hand, the value of the shear stress of lateral region M is excellent using the shear stress higher than middle section S as condition It is selected as 33N or more, more preferably 35N or more.Additionally, it is preferred that for 45N hereinafter, more preferably 40N or less.Lateral region M's cuts The value of shearing stress is preferably 33N or more 45N hereinafter, more preferably 35N or more 40N or less.

In order to keep the value of shear stress different from lateral region M in middle section S, as long as example, making connecing for middle section S Conjunction portion pattern is different from the joint portion pattern of lateral region M, or makes the intensity difference at each joint portion.For example, in Entreating region S, there are protrusion S21, S22, and in lateral region M, there are protrusion M21 (with reference to Fig. 4).At this point, will be in middle section S The area of the maximum protrusion of area (in Fig. 4, being protrusion S21) of protrusion is set as S_max, by the face of the protrusion in lateral region M The area of the maximum protrusion (protrusion M21) of product is set as M_maxThe case where when, it is important to meet S_max＞ M_maxRelationship.By full The foot relationship, compared with lateral region M, the fiber degree of freedom (mobile easness) of middle section S in contrast becomes larger, pliability Become significantly.

The positive dough sheet 2 constituted as described above for example can be according to recorded in Japanese Unexamined Patent Publication 2015-112343 bulletins The manufacturing method of composite sheet and manufacture.Specifically, for example, obtaining by the following method：Extremely by first band-like supply Circumferential surface makes first to be deformed into after concaveconvex shape between the first roller and the second roller of intermeshing shape, makes first After piece is moved along all faces of the first roller from engaging portion, second is supplied in a manner of being overlapped in first, and will Two pieces clamp in the state of heating between the protrusion and heating roller in the first roller and them are made locally to engage, this When, the pattern of the concaveconvex shape and the joint portion formed using the first roller and heating roller that make the first roller and the second roller is A piece of central portion and side difference.It is deformed into concaveconvex shape making first engaging section for biting the first roller and the second roller When, it is preferably directed towards roller internal direction and attracts first, and promote first and be deformed into concaveconvex shape.

Constitute positive dough sheet 2 first and second is made of sheet material.As sheet material, for example, usable non-woven fabrics, The fibre plates such as fabric and fabric bottom material or film etc.., it is preferable to use fibre plate, particularly preferably uses for the viewpoints such as skin sense of touch Non-woven fabrics.Constituting first can be identical with the type of second sheet material, or also can be different, but just obtains firm sealing For the viewpoint of intensity, the preferably piece of identical type.

When using non-woven fabrics as the case where constituting first and second sheet material, as the non-woven fabrics, for example, It can enumerate：Hot-wind nonwoven cloth, spun-bonded non-woven fabrics, spunlace non-woven cloth, melt spraying non-woven fabrics, resin bonded non-woven cloth, needle punched non-woven fabrics Deng.It can also be used and these non-woven fabrics are combined into laminated body made of two or more or are formed by combining these non-woven fabrics and film Laminated body., it is preferable to use hot-wind nonwoven cloth or spun-bonded non-woven fabrics in these.Especially it is located in the state of wearing diaper 1 and wears Piece i.e. first piece of the skin opposite side for the person of wearing preferably comprises hot-wind nonwoven cloth.

The grammes per square metre of non-woven fabrics used as the sheet material for constituting first and second is preferably separately 10g/m²More than, more preferably 15g/m²More than, additionally, it is preferred that being 40g/m²Hereinafter, more preferably 35g/m²Below.Nothing The grammes per square metre of woven fabric is preferably 10g/m²The above 40g/m²Hereinafter, more preferably 15g/m²The above 35g/m²Below.

As the fiber for constituting non-woven fabrics, the various fibers for including thermoplastic resin can be used.It, can as thermoplastic resin It enumerates：The polyamide such as the polyester such as the polyolefin such as polyethylene or polypropylene, polyethylene terephthalate, nylon 6 or nylon66 fiber, Polyacrylic acid, polyalkyl methacrylate, polyvinyl chloride, polyvinylidene chloride etc..These resins can be used alone a kind or make It is used for admixture of more than two kinds.Furthermore it is possible to which the form of the composite fibre of core-sheath-type or parallel type etc. uses.

Particularly preferably it is located in the state of wearing diaper 1 and includes with piece i.e. first piece of the skin opposite side of wearer Multiple fiber.Especially first be Dual-layer structure the case where when, preferably any layer in the upper and lower include it is more Kind fiber.As a result, because the buffering sense of protrusion generation is higher, and the smoothness of protrusion improves.In turn, it the erecting of protrusion or applies Protrusion when application of load is not easy collapse resistance raising.

Above-mentioned multiple fiber preferably comprises at least two kinds of fibers including the first fiber and the second fiber.Also, the first fiber The fiber for the low melting point ingredient for being less than the high-melting-point ingredient comprising high-melting-point ingredient and fusing point is respectively preferably with the second fiber. In this case, the high-melting-point ingredient of the high-melting-point ingredient of the first fiber and the second fiber can be identical type, or be alternatively Variety classes.In addition, the low melting point ingredient of the first fiber and the low melting point ingredient of the second fiber can be identical type, or also may be used For variety classes.First fiber is preferably distinguished by diameter than different from the second fiber.In the present specification, diameter ratio is The ratio of the diameter (μm) of the diameter and low melting point ingredient of one fiber and the respective high-melting-point ingredient of the second fiber.High-melting-point ingredient Diameter and the diameter of low melting point ingredient refer to：Such as in first and second fiber it is sheath-core type conjugate fiber, and sheath resin packet When the case where ingredient containing low melting point, core resin includes high-melting-point ingredient, D1 shown in fig. 5 is the diameter of low melting point ingredient C1, D2 For the diameter of high-melting-point ingredient C2.Also, the diameter ratio AX of the high-melting-point ingredient C2 of X fiber and low melting point ingredient C1 is by following formula It calculates.Herein, " hot-melt fiber of identical type " refers to that the resin of composition fiber is identical and structure is also identical.For example, wrapping When the case where core sheath composite fibre of ingredient containing high-melting-point and low melting point ingredient is 2, the high-melting-point possessed by this 2 fibers Ingredient and low melting point ingredient are respectively same resin, and the diameter of core sheath than it is identical when, this 2 fibers are the hot melt of identical type Property fiber.On the other hand, even if high-melting-point ingredient and low melting point ingredient are respectively same resin, in diameter than different situations Under, also it is different types of hot-melt fiber.In addition, it includes different types of hot-melt fiber that " including multiple fiber ", which refers to,.

The high-melting-point ingredient of low melting point ingredient diameter D1 (μm) ÷ X fibers of the diameter ratio AX=X fibers of X fiber Diameter D2 (μm)

In the present invention, as described above, it is preferred to keep the diameter ratio A1 of the first fiber different from the diameter of the second fiber ratio A2. A2 is preferably less than 1, more preferably 0.99 hereinafter, more preferably 0.91 or less relative to the value of ratio, that is, A2/A1 of A1.Separately Outside, the value of A2/A1 is preferably 0.5 or more, more preferably 0.6 or more, more preferably 0.7 or more.By setting by this method The ratio of A1 and A2, because the buffering sense that protrusion generates further increases, and the smoothness of protrusion further increases.In turn, protrusion Erecting or protrusion when applying load be not easy collapse resistance further increase.For example, the value of A2/A1 is preferably 0.5 or more And less than 1, more preferably 0.6 or more 0.99 hereinafter, more preferably 0.7 or more 0.91 or less.

The ratio of the diameter ratio A1 of first fiber and the diameter ratio A2 of the second fiber be it is as described above when, the first fiber it is straight The diameter ratio A1 values of itself are preferably 1.1 or more, more preferably 1.2 or more, more preferably 1.3 or more.Additionally, it is preferred that being 2.0 hereinafter, more preferably 1.9 hereinafter, more preferably 1.8 or less.Specifically, the diameter ratio A1 of the first fiber itself Value preferably 1.1 or more 2.0 is hereinafter, more preferably 1.2 or more 1.9 hereinafter, more preferably 1.3 or more 1.8 or less.

On the other hand, the diameter ratio A2 of the second fiber values of itself, to be less than A1 as condition, preferably 1.1 or more, more Preferably 1.2 or more, more preferably 1.3 or more.Additionally, it is preferred that for 2.0 hereinafter, more preferably 1.9 hereinafter, be more preferably 1.8 following.Specifically, the diameter ratio A2 of the second fiber values of itself are preferably 1.1 or more 2.0 hereinafter, more preferably 1.2 Above 1.9 hereinafter, more preferably 1.3 or more 1.8 or less.

Fig. 6 (a) and Fig. 6 (b) indicates another embodiment of positive dough sheet 2.The positive dough sheet 2 of embodiment shown in Fig. 6 (a) In middle section S have in mutually different shape joint portion S11 and S12.Joint portion S11 along longitudinal X to provide between The first joint portion row S31 is formed every configuration.In addition, joint portion S12 is configured also along longitudinal X and is formed second at predetermined intervals Joint portion row S32.Also, 2 the first joint portion row S31 and 1 the second joint portion row S32 become one group, and the group is in the lateral direction y It configures repeatedly.

On the other hand, lateral region M only has a kind of joint portion, that is, joint portion M11.Joint portion M11 is along longitudinal X to provide Interval configures and forms the 4th joint portion row M31.In addition, joint portion M11 is configured along longitudinal X and is formed the 5th at predetermined intervals Joint portion row M32.In the 4th joint portion row M31 and the 5th joint portion row M32, the pitch along the joint portion 11 of longitudinal X is different, Pitch in 5th joint portion row M32 is more than the pitch in the 4th joint portion row M31.

Middle section S in the positive dough sheet 2 of embodiment shown in Fig. 6 (b) has the engagement in mutually different shape Portion S11 and S12.Joint portion S11 is configured along longitudinal X and is formed the first joint portion row S31 at predetermined intervals.In addition, joint portion S11 is configured along longitudinal X and is formed the second joint portion row S32 at predetermined intervals.First joint portion row S31 and the second joint portion arrange S32, the pitch along the joint portion S11 of longitudinal X is identical, but phase shifting half pitch.On the other hand, joint portion S12 along Longitudinal X is configured and is formed third joint portion row S33 at predetermined intervals.In middle section S, the first joint portion row S31, third connect Conjunction portion row S33, the first joint portion row S31, third joint portion row S33, the second joint portion row S32 and third joint portion row S33 according to Sequence is arranged in lateral Y and they become one group, which configures repeatedly in the lateral direction y.

On the other hand, lateral region M only has a kind of joint portion, that is, joint portion M11.Joint portion M11 is along longitudinal X to provide Interval configures and forms the 4th joint portion row M31.In addition, joint portion M11 is configured along longitudinal X and is formed the 5th at predetermined intervals Joint portion row M32.In the 4th joint portion row M31 and the 5th joint portion row M32, the pitch along the joint portion 11 of longitudinal X is identical, But phase shifting half pitch.

Shown in Fig. 6 (a) and Fig. 6 (b) more than use in the case of positive dough sheet 2 of embodiment, the face at joint portion Product rate it is also preferred that roughly the same with lateral region M in middle section S, in addition, the number at the joint portion of per unit area it is also preferred that It is more than middle section S for lateral region M.Positive dough sheet 2 shows good texture as a result, and stripping is not likely to produce between 2 pieces From or protuberance.

More than, it for the present invention, is illustrated based on its preferred embodiment, but the present invention is not exposed to above-mentioned reality The mode of applying limits.For example, the above embodiment is that the absorbent commodity of the present invention is applied to the disposable diaper of deploying type Example, but it is can also be applied to other disposable diapers, such as Breeches type disposable diaper.In turn, the present invention also can be same Sample it is applied to the absorbent commodity in addition to disposable diaper, such as sanitary napkin or incontinence pad etc..

About the above embodiment, invention additionally discloses absorbent commodities below.

1 ＞ of ＜

A kind of absorbent commodity comprising positive dough sheet, back sheet and the absorber being configured between the two pieces, and

2 ＞ of ＜

Absorbent commodity as described in 1 ＞ of above-mentioned ＜ will be formed in the upper of middle section wherein in above-mentioned positive dough sheet The area for stating the maximum joint portion of the area in joint portion is set as C, will be formed in the face in the above-mentioned joint portion of lateral region When the area at the maximum joint portion of product is set as D, the relationship with C ＞ D.

3 ＞ of ＜

Absorbent commodity as described in 2 ＞ of above-mentioned ＜ 1 ＞ or ＜ will be formed in center wherein in above-mentioned positive dough sheet The length at the longest joint portion of length alongst in the above-mentioned joint portion in region is set as E, will be formed in side When the length at the longest joint portion of length alongst in the above-mentioned joint portion in region is set as F, with E ＞ F Relationship.

4 ＞ of ＜

Absorbent commodity as described in any one of 3 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein in above-mentioned positive dough sheet, the piece is in side The shear stress in portion region higher than the piece middle section shear stress.

5 ＞ of ＜

There is absorbent commodity as described in any one of 4 ＞ of above-mentioned ＜ 1 ＞ to ＜ the when of wearing to be configured at wearer's The veutro portion of veutro, the drosal part for being configured at back side and positioned at the crotch between them,

Above-mentioned middle section and above-mentioned lateral region are at least formed on above-mentioned crotch.

6 ＞ of ＜

There is absorbent commodity as described in any one of 5 ＞ of above-mentioned ＜ 1 ＞ to ＜ the when of wearing to be configured at wearer's The veutro portion of veutro, the drosal part for being configured at back side and positioned at the crotch between them,

Above-mentioned middle section and above-mentioned lateral region are preferably formed from above-mentioned crotch to above-mentioned veutro portion and above-mentioned drosal part Either or both, more preferably formed throughout the overall length of above-mentioned absorber, still more preferably spread absorbent commodity Overall length and formed.

7 ＞ of ＜

Absorbent commodity as described in any one of 6 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein the width of above-mentioned middle section is opposite It is preferably 30% or more in the width of above-mentioned positive dough sheet, more preferably 40% or more, preferably 70% are hereinafter, more preferably 60% Below.

8 ＞ of ＜

Absorbent commodity as described in any one of 7 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein the width of above-mentioned lateral region is opposite In the width of above-mentioned positive dough sheet be preferably 15% or more 35% hereinafter, more preferably 20% or more 30% or less.

9 ＞ of ＜

Absorbent commodity as described in any one of 8 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein the width of above-mentioned lateral region is total With the width relative to above-mentioned positive dough sheet it is preferably 30% or more, more preferably 40% or more, preferably 70% hereinafter, more preferably It is 60% or less.

10 ＞ of ＜

Absorbent commodity as described in any one of 9 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned positive dough sheet is in above-mentioned central area It is the face general planar of above-mentioned second side in any one of domain and above-mentioned lateral region, is formed in above-mentioned first side Rise and fall big bumps.

11 ＞ of ＜

Absorbent commodity as described in any one of 10 ＞ of above-mentioned ＜ 1 ＞ to ＜ has and is equivalent to the front and back of wearer The longitudinal direction in direction and the transverse direction orthogonal with the longitudinal direction,

In the above-mentioned middle section of above-mentioned positive dough sheet, 2 kinds of joint portions are formed with, which is being in have edge It is consistent with the above-mentioned aspect of rectangle on lateral side above-mentioned longitudinal direction, but is in mutually different shape.

12 ＞ of ＜

Absorbent commodity as described in any one of 11 ＞ of above-mentioned ＜ 1 ＞ to ＜ has and is equivalent to the front and back of wearer The longitudinal direction in direction and the transverse direction orthogonal with the longitudinal direction,

In the above-mentioned middle section of above-mentioned positive dough sheet, it is formed with along above-mentioned longitudinally spaced defined distance and is configured to 2 kinds of joint portions of column-shaped,

A kind of the first joint portion of joint portion formation row, another joint portion forms and is alternately configured at adjacent above-mentioned first The second joint portion row between the row of joint portion and third joint portion row,

Above-mentioned second joint portion row are arranged with above-mentioned third joint portion, along the section at above-mentioned longitudinal above-mentioned another joint portion Away from identical, and phase shifting half pitch.

13 ＞ of ＜

Absorbent commodity as described in any one of 12 ＞ of above-mentioned ＜ 1 ＞ to ＜ has and is equivalent to the front and back of wearer The longitudinal direction in direction and the transverse direction orthogonal with the longitudinal direction,

2 kinds of protrusions are formed in above-mentioned middle section,

A kind of protrusion is in the vertical view for being longer than the substantially elliptical along above-mentioned longitudinal length along above-mentioned lateral length Shape, another protrusion are in bow with along above-mentioned the generally circular of longitudinal same length along above-mentioned lateral length Depending on shape.

14 ＞ of ＜

Absorbent commodity as described in any one of 13 ＞ of above-mentioned ＜ 1 ＞ to ＜ has and is equivalent to the front and back of wearer The longitudinal direction in direction and the transverse direction orthogonal with the longitudinal direction,

In above-mentioned lateral region, 2 kinds of joint portions are formed with, which is being in have along above-mentioned longitudinal direction and upper The aspect for stating the rectangle on lateral side is consistent, but is in mutually different shape.

15 ＞ of ＜

Absorbent commodity as described in any one of 14 ＞ of above-mentioned ＜ 1 ＞ to ＜ has and is equivalent to the front and back of wearer The longitudinal direction in direction and the transverse direction orthogonal with the longitudinal direction,

In above-mentioned lateral region, it is formed with along above-mentioned longitudinally spaced defined distance and 2 kinds of engagements configured as a column Portion,

A kind of the 4th joint portion of joint portion formation row,

Another joint portion is formed alternately is configured at above-mentioned lateral the 5th joint portion row with above-mentioned 4th joint portion row,

It is above-mentioned another in a kind of above-mentioned pitch at joint portion and above-mentioned 5th joint portion row in above-mentioned 4th joint portion row A kind of pitch all same at joint portion, at above-mentioned 4th joint portion, row are arranged with above-mentioned 5th joint portion, the configuration at above-mentioned joint portion Be staggered half pitch.

16 ＞ of ＜

Absorbent commodity as described in any one of 15 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein being formed with 2 in above-mentioned middle section Kind protrusion,

Above-mentioned 2 kinds of protrusions are different height.

17 ＞ of ＜

Absorbent commodity as described in any one of 16 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein being configured at above-mentioned lateral region Low, or both the height of the height of raised part of the height of raised part than being configured at above-mentioned middle section is identical.

18 ＞ of ＜

Absorbent commodity as described in any one of 17 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned middle section with it is above-mentioned The configuration pattern of lateral region, above-mentioned joint portion is different, and the shape at the joint portion is also different.

19 ＞ of ＜

Absorbent commodity as described in any one of 18 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein above-mentioned middle section and above-mentioned side The area occupation ratio at the above-mentioned joint portion in portion region is preferably 10% or more, and more preferably 15% or more, preferably 40% are hereinafter, more Add preferably 35% or less.

20 ＞ of ＜

Absorbent commodity as described in any one of 19 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein will be formed in above-mentioned lateral zones The area at the maximum joint portion of area in the joint portion in domain is set as C, will be formed in the face in the joint portion of above-mentioned middle section When the case where area at the maximum joint portion of product is set as D,

Area D is preferably the 80% of area C hereinafter, more preferably 70% hereinafter, preferably 20% or more, more preferably 30% or more.

21 ＞ of ＜

Absorbent commodity as described in any one of 20 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein will be formed in above-mentioned lateral zones The area at the maximum joint portion of area in the joint portion in domain is set as C, will be formed in the face in the joint portion of above-mentioned middle section When the case where area at the maximum joint portion of product is set as D,

It is shared in the summation of area of the summation of the area at the joint portion of above-mentioned area C at the joint portion of above-mentioned middle section Ratio be preferably 20% or more, more preferably 30% or more, the upper limit of the ratio is preferably 80%, more preferably 70%.

22 ＞ of ＜

Absorbent commodity as described in any one of 21 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein will be formed in above-mentioned lateral zones The area at the maximum joint portion of area in the joint portion in domain is set as C, will be formed in the face in the joint portion of above-mentioned middle section When the case where area at the maximum joint portion of product is set as D,

It is shared in the summation of area of the summation of the area at the joint portion of above-mentioned area D at the joint portion of above-mentioned lateral region Ratio be preferably 80% or more, more preferably 90% or more, the upper limit of the ratio is preferably 100%.

23 ＞ of ＜

Absorbent commodity as described in any one of 22 ＞ of above-mentioned ＜ 1 ＞ to ＜ has and is equivalent to the front and back of wearer The longitudinal direction in direction and the transverse direction orthogonal with the longitudinal direction,

The length along the above-mentioned longest joint portion of longitudinal length in the joint portion that will be formed in above-mentioned middle section Degree is set as E, will be formed in the longest joint portion of the length along above-mentioned length direction in the joint portion of above-mentioned lateral region When length is set as F,

Above-mentioned length F is preferably the 80% of above-mentioned length E hereinafter, more preferably 70% hereinafter, preferably 20% or more, more Preferably 30% or more.

24 ＞ of ＜

Absorbent commodity as described in any one of 23 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein will be formed in above-mentioned central area The length along the above-mentioned longest joint portion of longitudinal length in the joint portion in domain is set as E, will be formed in above-mentioned lateral region Joint portion in the length at the longest joint portion of the length along above-mentioned length direction when being set as F,

It is shared in the summation of area of the summation of the area at the joint portion of above-mentioned length E at the joint portion of above-mentioned middle section Ratio be preferably 20% or more, more preferably 30% or more, the upper limit of the ratio is preferably 100%, more preferably 80%.

25 ＞ of ＜

Absorbent commodity as described in any one of 24 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein will be formed in above-mentioned central area The length along the above-mentioned longest joint portion of longitudinal length in the joint portion in domain is set as E, will be formed in above-mentioned lateral region Joint portion in the length at the longest joint portion of the length along above-mentioned length direction when being set as F,

It is shared in the summation of area of the summation of the area at the joint portion of above-mentioned length F at the joint portion of above-mentioned lateral region Ratio be preferably 60% or more, more preferably 80% or more, the upper limit of the ratio is preferably 100%, more preferably 90%.

26 ＞ of ＜

Absorbent commodity as described in any one of 25 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein the shearing of above-mentioned middle section is answered The value of power is preferably 25N or more, more preferably 30N or more, and preferably 34N is hereinafter, more preferably 33N or less.

27 ＞ of ＜

Absorbent commodity as described in any one of 26 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein the shearing of above-mentioned lateral region is answered The value of power is using the shear stress higher than above-mentioned middle section as condition, preferably 33N or more, more preferably 35N or more, preferably 45N is hereinafter, more preferably 40N or less.

28 ＞ of ＜

Absorbent commodity as described in any one of 27 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein will be in above-mentioned middle section The area for stating the maximum protrusion of area of protrusion is set as S_max, by the maximum protrusion of the area of raised part in above-mentioned lateral region Area be set as M_maxThe case where when, meet S_max＞ M_maxRelationship.

29 ＞ of ＜

Absorbent commodity as described in any one of 26 ＞ of above-mentioned ＜ 1 ＞ to ＜, wherein as constitute it is above-mentioned first and The grammes per square metre for the non-woven fabrics that above-mentioned second sheet material uses is preferably 10g/m²More than, more preferred 15g/m²More than, in addition, Preferably 40g/m²Hereinafter, more preferred 35g/m²Below.

Embodiment

Hereinafter, by embodiment, the present invention is illustrated in further detail.However, the scope of the present invention not by It is limited to the embodiment.As long as and it is not specifically mentioned, then " % " refers to " quality % ".

[embodiment 1]

By the positive dough sheet of the disposable diaper " Merries " (registered trademark manufactures for 2015) of Kao Corp's manufacture Removal, and configuration diagram 3 and positive dough sheet shown in Fig. 4 replace the positive dough sheet, and obtain disposable diaper.Fig. 3 and it is shown in Fig. 4 just The size at the joint portion in dough sheet is set as follows.S11：1mm × 4mm, S12：1mm × 1mm, M11：1mm × 4mm, M12： 1mm × 3mm (all rectangles)

In addition, constituting first of positive dough sheet, the piece i.e. positioned at the skin opposite face of wearer by hot-wind nonwoven cloth (grammes per square metre 18g/m²) constitute.Second also by hot-wind nonwoven cloth (grammes per square metre 18g/m²) constitute.The hot-wind nonwoven cloth for constituting first includes upper The double-layer structure of layer and lower layer, upper layer includes the sheath-core type conjugate fiber (resinite of polyethylene terephthalate/polyethylene Ratio 5/5,2.3dtex is measured, core sheath diameter is than 1.57).Lower layer includes that the core-sheath-type of polyethylene/polyethylene terephthalate is multiple (resin quality than 5/5,2.3dtex, core sheath diameter is more compound with the polyacrylic core-sheath-type of polypropylene/low melting point than 1.57) for condensating fiber (for resin quality than 5/5,2.2dtex, core sheath diameter is 5 than mass ratio 1.42) to fiber：5 mixed cotton.Constitute second heat Wind non-woven fabrics include polyethylene terephthalate/polyethylene sheath-core type conjugate fiber (resin quality than 5/5, 2.3dtex)。

[embodiment 2]

In embodiment 1, using positive dough sheet shown in Fig. 6 (a) as positive dough sheet.In addition to this, with similarly to Example 1 Mode obtain disposable diaper.The size at the joint portion in positive dough sheet shown in Fig. 6 (a) is set as follows.S11：1mm× 2mm, S12：1mm × 1mm, M11：1mm × 1mm (all rectangles)

[embodiment 3]

In embodiment 1, using positive dough sheet shown in Fig. 6 (b) as positive dough sheet.In addition to this, with similarly to Example 1 Mode obtain disposable diaper.The size at the joint portion in positive dough sheet shown in Fig. 6 (b) is set as follows.S11：1mm× 3mm, S12：1mm × 1mm, M11：1mm × 1mm (all rectangles)

[comparative example 1]

In embodiment 1, it is formed in using the joint portion of the lateral region in the positive dough sheet used in only embodiment 1 whole The piece in a region is as positive dough sheet.In addition to this, disposable diaper is obtained in a manner of similarly to Example 1.

[evaluation]

For the disposable diaper obtained in embodiment and comparative example, using the following method to the texture of positive dough sheet, The degree of stripping between the piece of positive dough sheet is evaluated.It the results are shown in table 1 below.

[pliability of positive dough sheet]

There is mother 10 of the child using diaper

About each diaper, the pliability of surfacing is evaluated according to benchmark below.The result obtained is shown In table 1.

First, make 10 mothers touch Kao Corp's manufacture disposable diaper " Merries " (registered trademark, Manufacture within 2015) positive dough sheet, on the basis of it (3 points), with 1 point (softness), 2 points (slightly softnesses), 3 points it is (same with Merries Deng), 4 points (slightly not soft), 5 points (not soft) 5 grades evaluated, according to the average value of 10 mothers to pliability It is evaluated.

[degree of the stripping between the piece of positive dough sheet]

Acrylic panel is placed in sample, it is assumed that pressure when under infant sitting, in a manner of the pressure as 3.5KPa Apply load, so that acrylic panel is moved stipulated number with stroke length=10cm, and evaluated the degree of stripping by range estimation. By the stripping of the positive dough sheet of the disposable diaper " Merries " (registered trademark manufactures for 2015) of Kao Corp's manufacture Degree be set as " in ", by the degree of stripping it is lower than it be set as " small ", the degree of stripping high is set as " big " than its.

[table 1]

Result as shown in Table 1 clearly learns that for the diaper of embodiment compared with the diaper of comparative example, the texture of positive dough sheet is good It is good, and the stripping being not likely to produce between piece.

Industrial availability

According to the present invention, provide it is a kind of have show good texture and be not likely to produce stripping or grand between 2 pieces The absorbent commodity of the positive dough sheet comprising laminated body risen.

Claims

1. a kind of absorbent commodity, it is characterised in that：

Including positive dough sheet, back sheet and the absorber being configured between the two pieces,

The positive dough sheet includes the laminated body of first and second,

The laminated body has multiple joint portions caused by first local engagement with second, and first except described Position other than joint portion is prominent to separate second direction, and is formed towards body multiple protrusions outstanding of wearer,

The positive dough sheet have positioned at width direction central portion and length direction extend middle section and with the central area Domain it is adjacent and length direction extend a pair of of lateral region,

The shape and/or configuration pattern at the joint portion are different from the lateral region in the middle section,

The area occupation ratio at the joint portion is roughly the same with the lateral region in the middle section,

The number at the joint portion of per unit area is more than the middle section in the lateral region.

2. absorbent commodity as described in claim 1, it is characterised in that：

In the positive dough sheet, the face at the maximum joint portion of area in the joint portion that will be formed in the middle section Product is set as C, when will be formed in the area at the maximum joint portion of area in the joint portion of the lateral region and being set as D, tool There is the relationship of C ＞ D.

3. absorbent commodity as claimed in claim 1 or 2, it is characterised in that：

In the positive dough sheet, the length longest in the joint portion that will be formed in the middle section alongst The length at joint portion be set as E, will be formed in length in the joint portion of the lateral region alongst most When the length at long joint portion is set as F, the relationship with E ＞ F.

4. absorbent commodity according to any one of claims 1 to 3, it is characterised in that：

In the positive dough sheet, which answers higher than the piece in the shearing of the middle section in the shear stress of the lateral region Power.

5. absorbent commodity as described in any one of claims 1 to 4, it is characterised in that：

Veutro portion with the veutro for being configured at wearer when wearing is configured at the drosal part of back side and positioned at the crotch between them Portion,

The middle section and the lateral region are formed in the crotch.

6. such as absorbent commodity according to any one of claims 1 to 5, it is characterised in that：

The middle section and the lateral region are formed from the crotch to any one of the veutro portion and the drosal part Or both.

7. such as absorbent commodity according to any one of claims 1 to 6, it is characterised in that：

The width of the middle section is 30% or more 70% or less relative to the width of the positive dough sheet.

8. such as absorbent commodity according to any one of claims 1 to 7, it is characterised in that：

The width of the lateral region is 15% or more 35% or less relative to the width of the positive dough sheet.

9. such as absorbent commodity according to any one of claims 1 to 8, it is characterised in that：

The summation of the width of the lateral region is 30% or more 70% or less relative to the width of the positive dough sheet.

10. such as absorbent commodity according to any one of claims 1 to 9, it is characterised in that：

The positive dough sheet in any one of the middle section and the lateral region, be the face of second side substantially It is flat, it is formed with the big bumps that rise and fall in first side.

11. such as absorbent commodity according to any one of claims 1 to 10, it is characterised in that：

With in the front-back direction longitudinal and orthogonal with the longitudinal direction transverse direction for being equivalent to wearer,

In the middle section of the positive dough sheet, 2 kinds of joint portions are formed with, which is being in have edge It is consistent with the aspect of the rectangle on the side of the width direction the length direction, but is in mutually different shape.

12. the absorbent commodity as described in any one of claim 1~11, it is characterised in that：

In the middle section of the positive dough sheet, it is formed with and separates defined distance along the length direction and be configured to 2 kinds of joint portions of column-shaped,

A kind of the first joint portion of joint portion formation row, another joint portion, which is formed, is alternately configured at adjacent first engagement The second joint portion row between portion's row and third joint portion row,

The second joint portion row are arranged with the third joint portion, along the section at another joint portion of the length direction Away from identical, and phase shifting half pitch.

13. the absorbent commodity as described in any one of claim 1~12, it is characterised in that：

2 kinds of protrusions are formed in the middle section,

A kind of protrusion is in the substantially elliptical for being longer than the length along the length direction along the length of the width direction Plan view shape, another protrusion is in the length along the width direction and the same length along the length direction Generally circular plan view shape.

14. the absorbent commodity as described in any one of claim 1~13, it is characterised in that：

In the lateral region, 2 kinds of joint portions are formed with, which is being in have along the length direction It is consistent with the aspect of the rectangle on the side of the width direction, but be in mutually different shape.

15. the absorbent commodity as described in any one of claim 1~14, it is characterised in that：

In the lateral region, be formed with along the length direction separate as defined in distance and it is 2 kinds configured as a column described in Joint portion,

A kind of the 4th joint portion of joint portion formation row,

Another joint portion forms the 5th joint portion row that the width direction is alternately configured at the 4th joint portion row,

The another kind in a kind of pitch at joint portion and the 5th joint portion row in the 4th joint portion row The pitch all same at joint portion, at the 4th joint portion, row are arranged with the 5th joint portion, and the configuration at the joint portion is staggered Half pitch.

16. the absorbent commodity as described in any one of claim 1~15, it is characterised in that：

2 kinds of protrusions are formed in the middle section,

2 kinds of protrusions are different height.

17. the absorbent commodity as described in any one of claim 1~16, it is characterised in that：

The height for being configured at the protrusion of the height of the protrusion of the lateral region than being configured at the middle section is low, Or both height it is identical.

18. the absorbent commodity as described in any one of claim 1~17, it is characterised in that：

It is different in the configuration pattern of the middle section and the lateral region, the joint portion, and the shape at the joint portion It is different.

19. the absorbent commodity as described in any one of claim 1~18, it is characterised in that：

The area occupation ratio at the joint portion in the middle section and the lateral region is 10% or more 40% or less.

20. the absorbent commodity as described in any one of claim 1~19, it is characterised in that：

The area at the maximum joint portion of area is set as C in the joint portion that will be formed in the lateral region, will be formed When the case where area at the maximum joint portion of area is set as D in the joint portion of the middle section,

Area D is 20% or more 80% or less area C.

21. the absorbent commodity as described in any one of claim 1~20, it is characterised in that：

Shared ratio in the summation of area of the summation of the area at the joint portion of the area C at the joint portion of the middle section Example is 20% or more 80% or less.

22. the absorbent commodity as described in any one of claim 1~21, it is characterised in that：

Shared ratio in the summation of area of the summation of the area at the joint portion of the area D at the joint portion of the lateral region Example is 80% or more 100% or less.

23. the absorbent commodity as described in any one of claim 1~22, it is characterised in that：

Along the longest joint portion of length of the length direction in the joint portion that will be formed in the middle section The length is set as E, will be formed in that the length in the joint portion of the lateral region along the length direction is longest to be connect When the length in conjunction portion is set as F,

The length F is 20% or more 80% or less the length E.

24. the absorbent commodity as described in any one of claim 1~23, it is characterised in that：

The summation of the area at the joint portion of the length E is shared in the summation of the area at the joint portion of the middle section Ratio be 20% or more 100% or less.

25. the absorbent commodity as described in any one of claim 1~24, it is characterised in that：

The summation of the area at the joint portion of the length F is shared in the summation of the area at the joint portion of the lateral region Ratio be 60% or more 100% or less.

26. the absorbent commodity as described in any one of claim 1~25, it is characterised in that：

The value of the shear stress of the middle section is 25N or more 34N or less.

27. the absorbent commodity as described in any one of claim 1~26, it is characterised in that：

The value of the shear stress of the lateral region is 33N or more 45N using the shear stress higher than the middle section as condition Below.

28. the absorbent commodity as described in any one of claim 1~27, it is characterised in that：

The area of the maximum protrusion of the area of protrusion described in the middle section is being set as S_max, by the lateral region Described in the area of the maximum protrusion of area of protrusion be set as M_maxThe case where when, meet S_max＞ M_maxRelationship.

29. the absorbent commodity as described in any one of claim 1~28, it is characterised in that：

It is separately 10g/m as the grammes per square metre for the non-woven fabrics that described first uses with second sheet material is constituted² The above 40g/m²Below.