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WO2019224987A1 - Corps absorbant et article absorbant - Google Patents

Corps absorbant et article absorbant Download PDF

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Publication number
WO2019224987A1
WO2019224987A1 PCT/JP2018/020063 JP2018020063W WO2019224987A1 WO 2019224987 A1 WO2019224987 A1 WO 2019224987A1 JP 2018020063 W JP2018020063 W JP 2018020063W WO 2019224987 A1 WO2019224987 A1 WO 2019224987A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
core body
absorbent
disposed
absorbent body
Prior art date
Application number
PCT/JP2018/020063
Other languages
English (en)
Japanese (ja)
Inventor
真悟 永田
慧子 小林
雅人 重松
Original Assignee
株式会社ダイセル
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社ダイセル filed Critical 株式会社ダイセル
Priority to JP2020520969A priority Critical patent/JPWO2019224987A1/ja
Priority to PCT/JP2018/020063 priority patent/WO2019224987A1/fr
Priority to CN201880089799.2A priority patent/CN111989073A/zh
Publication of WO2019224987A1 publication Critical patent/WO2019224987A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad

Definitions

  • the present invention relates to an absorbent body and an absorbent article.
  • TD Total fiber degree (total denier), which refers to the fiber degree (grams per 9000 m) of a tow aggregate (tow band).
  • Single fiber degree (filament denier), which refers to the fiber degree (grams per 9000 m) of a single fiber (one filament). Also referred to as single fiber denier.
  • Absorbent articles that are sanitary products such as paper diapers and urine leakage prevention pads include, for example, an absorbent that absorbs moisture, a top sheet having liquid permeability, and a back sheet having air permeability.
  • the absorber has, for example, a pair of outer nonwoven fabrics made of fluff pulp and the like and a core body disposed between the pair of outer nonwoven fabrics as disclosed in Patent Document 1 or 2.
  • the core body is made of, for example, a relatively low density inner nonwoven fabric formed by combining short fibers in a mesh shape.
  • water-absorbing granular materials made of a highly water-absorbing resin (SAP: Super absorbent polymer) are arranged in a dispersed manner.
  • SAP highly water-absorbing resin
  • the absorbent article has good tactile sensation during use and is bulky.
  • the moisture after water absorption may permeate into the surface of the absorbent article (hereinafter referred to as “rewetting”), which may reduce the tactile sensation.
  • the thickness is relatively thin and the wearing feeling is not excellent, and the feeling of security given to the user is not sufficient.
  • an object of the present invention is to make it possible to maintain a bulky state with a good tactile sensation during use in an absorbent article including an absorbent body in which water-absorbing granular materials are dispersedly arranged.
  • an absorbent body includes a first sheet made of a nonwoven fabric, a second sheet made of a nonwoven fabric, arranged to overlap the first sheet, and the first sheet.
  • the core body disposed between the second sheet, the water absorbent disposed between the first sheet and the core body, and dispersed between the second sheet and the core body.
  • the core body comprises a tow band obtained by crimping and opening long fibers of cellulose acetate tow.
  • the core body is composed of a tow band obtained by crimping and opening cellulose acetate tow long fibers, so that the water absorbed by the absorbent body passes through the abundant fiber gaps formed in the core body. Can be satisfactorily passed through, and water can be efficiently absorbed into the granular material located on both the first sheet side and the second sheet side of the core body. Thereby, it can prevent that a water
  • the core body has a good bulkiness by crimping and opening the long fibers of cellulose acetate tow, even if the absorbent body is compressed during use or the absorbent body absorbs water, The bulk of the absorbent body can be prevented from greatly decreasing, and a soft and soft feel and cushioning properties can be exhibited. Moreover, since the thickness of the absorber can be increased, an excellent wearing feeling can be obtained, and a sufficient sense of security can be given to the user.
  • the core body may have a sheet shape, and may be disposed so as to overlap the first sheet and the second sheet.
  • excellent tactile sensation can be obtained over a wide area of the absorbent body even during use due to the good bulkiness of the core body.
  • the basis weight of the tow band in the core body may be set to a value in a range of 15 gsm (grams per square meter) to 150 gsm.
  • the absorbent article which concerns on 1 aspect of this invention is a back sheet
  • a top sheet disposed on the opposite side of the core body.
  • the absorbent article can prevent rewetting and greatly increase the bulk of the absorbent body in use. Can be prevented.
  • an absorbent article including an absorbent body in which water-absorbing particulates are dispersed and arranged, the feel during use is good and a bulky state can be maintained.
  • the upstream side mentioned below refers to the upstream side in the conveyance direction P of the toe band 40
  • the downstream side refers to the downstream side in the conveyance direction P of the toe band 40.
  • FIG. 1 is a schematic view of an absorbent body manufacturing apparatus 1 (hereinafter simply referred to as manufacturing apparatus 1) according to an embodiment.
  • a packing container 50 is disposed in the vicinity of the manufacturing apparatus 1.
  • a tow band 40 including a plurality of fibers is folded in a bale shape and compressed and packed.
  • the packaging container 50 of FIG. 1 has a cross-sectional structure.
  • the fibers contained in the tow band 40 are crimped cellulose acetate tow long fibers.
  • the TD of the toe band 40 can be set as appropriate, but is set to a value in the range of 6000 to 60000 as an example.
  • the FD of the toe band 40 can be set as appropriate, but is set to a value in the range of 1 to 20 as an example.
  • the toe band 40 is transported in a predetermined transport direction P while the width direction is kept horizontal.
  • the TD and basis weight of the toe band 40 can be adjusted by cutting the tow band 40 being conveyed into a predetermined width dimension as disclosed in Japanese Patent Application Laid-Open No. 2014-221961.
  • the manufacturing apparatus 1 includes a first manufacturing unit 2 and a second manufacturing unit 3.
  • the first manufacturing unit 2 includes a first widening device 4, a guide 5, a second widening device 6, a first opening roll pair 7, a second opening roll pair 8, a opening apparatus 9, and a transport roll pair 10. .
  • the first widening device 4 widens the tow band 40 lifted from the inside of the packing container 50 in the width direction.
  • the guide 5 guides the tow band 40 that has passed through the first widening device 4 toward the second widening device 6.
  • the second widening device 6 widens the tow band 40 that has passed through the guide 5 in the width direction.
  • the first widening device 4 and the second widening device 6 have the same configuration.
  • the first opening roll pair 7 and the second opening roll pair 8 further open the tow band 40 that has passed through the second widening device 6 on the upstream side of the opening device 9.
  • the second spread roll pair 8 is disposed on the downstream side of the first spread roll pair 7.
  • the first fiber opening roll pair 7 has a pair of rolls 14 and 15 arranged with their peripheral surfaces facing each other.
  • the second fiber opening roll pair 8 has a pair of rolls 16 and 17 arranged with their peripheral surfaces facing each other. The rolls 16 and 17 rotate at a peripheral speed faster than the peripheral speed of the rolls 14 and 15.
  • the tow band 40 that has passed through the second widening device 6 is inserted between the pair of rolls 14 and 15 and between the pair of rolls 16 and 17.
  • the tow band 40 is applied with tension in the transport direction P by coming into contact with the peripheral surfaces of the rolls 14 to 17, and is opened in a bulky manner.
  • the opening device 9 opens the tow band 40 that has passed through the second opening roll pair 8.
  • the method for opening the tow band 40 in the opening device 9 is not limited.
  • the transport roll pair 10 includes transport rolls 23 and 24 that are arranged with their peripheral surfaces facing each other.
  • the tow band 40 that has passed through the spreader 9 is inserted between the transport rolls 23 and 24 and is pressed in the thickness direction by the transport rolls 23 and 24. Thereby, the sheet-like core body 41 is manufactured.
  • the core body 41 is conveyed to the second manufacturing unit 3 while being guided by the guide roll 13.
  • the second manufacturing unit 3 arranges the first sheet 42 and the second sheet 43 on the core body 41 with the granular material 45 interposed therebetween.
  • the second manufacturing unit 3 includes a first supply device 11, a sheet conveyance device 25, a second supply device 12, an adhesion device 29, addition devices 30 and 31, sheet forming roll pairs 32 and 33, and a sticking device 34. .
  • the first supply device 11 feeds the belt-shaped first sheet 42 from the first sheet roll R1 and supplies it on the transport line L.
  • the sheet conveyance device 25 conveys the first sheet 42 supplied from the first supply device 11 to the conveyance line L.
  • the adding device 30 adds the particulate matter 45 onto the first sheet 42 in the transport line L.
  • a surface of the first sheet 42 that contacts the granular material 45 is coated with a binder, and the granular material 45 is fixed to the first sheet 42 by the binder.
  • the core body 41 is supplied to the first sheet 42 to which the granular material 45 is added.
  • the first sheet 42, the granular material 45, and the core body 41 are passed between the rolls 26 and 27 in the sheet molding roll pair 32.
  • a granular material 45 is further added onto the core body 41 by the adding device 31.
  • the second supply device 12 feeds the strip-shaped second sheet 43 from the second sheet roll R ⁇ b> 2, and sandwiches the core body 41 and the granular material 45 between the first sheet 42 and the second sheet 43.
  • the sheet 43 is supplied onto the conveyance line L.
  • the surface of the second sheet 43 that comes into contact with the granular material 45 is coated with a binder as with the first sheet 42, and the granular material 45 is fixed to the second sheet 43 by this binder.
  • seat 43 consist of a nonwoven fabric which has air permeability and liquid permeability. At least one (here, both) of the first sheet 42 and the second sheet 43 has a network structure formed by combining short fibers. This short fiber consists of a synthetic fiber as an example.
  • the first sheet 42, the granular material 45, the core body 41, and the second sheet 43 are passed between the rolls 37 and 38 in the sheet molding roll pair 33.
  • the bonding apparatus 29 attaches an adhesive to the second sheet 43 between the second sheet roll R2 and the sheet forming roll pair 33.
  • the adhering device 34 presses the first sheet 42 and the second sheet 43 in the thickness direction, and bonds the first sheet 42 and the second sheet 43 with the core body 41 and the granular material 45 sandwiched therebetween. Adhere with an agent.
  • the absorbent body 44 is manufactured by cutting the first sheet 42, the core body 41, and the second sheet 43 that have passed through the sticking apparatus 34 into predetermined dimensions.
  • FIG. 2 is a vertical sectional view of the absorbent body 44 obtained from the manufacturing apparatus 1 of FIG. As shown in FIG. 2, the absorbent body 44 includes a first sheet 42, a second sheet 43, a core body 41, and a granular material 45.
  • seat 43 consist of the same nonwoven fabric as an example.
  • the second sheet 43 is disposed so as to overlap the first sheet 42.
  • the core body 41 is disposed between the first sheet 42 and the second sheet 43.
  • the core body 41 has a sheet shape and is disposed so as to overlap the first sheet 42 and the second sheet 43.
  • the core body 41 includes a tow band 40 obtained by crimping and opening long fibers of cellulose acetate tow.
  • the granular material 45 is distributed and arranged between the first sheet 42 and the core body 41 and between the second sheet 43 and the core body 41.
  • FIG. 3 is a vertical sectional view of an absorbent article 46 including the absorbent body 44 of FIG.
  • the absorbent article 46 includes an absorbent body 44, a top sheet 47, and a back sheet 48.
  • the back sheet 48 has air permeability and is disposed on the opposite side of the first sheet 42 from the core body 41.
  • the top sheet 47 has air permeability and liquid permeability, and is arranged on the opposite side of the second sheet 43 from the core body 41.
  • the basis weight of the toe band 40 in the core body 41 can be appropriately set according to, for example, each thickness dimension of the absorbent body 44 and the absorbent article 46 to be manufactured, but in the present embodiment, 15 gsm or more and 150 gsm or less as an example. Is set to a value in the range.
  • the basis weight is more preferably a value in the range of 30 gsm to 110 gsm, and still more preferably a value in the range of 40 gsm to 170 gsm.
  • the core body 41 is composed of the tow band 40 obtained by crimping and opening the long fibers of cellulose acetate tow, so that moisture absorbed in the absorbent body 44 is formed in the core body 41.
  • the inside of the core body 41 can be satisfactorily passed through the abundant fiber gaps formed, and the particulate matter 45 located on both the first sheet 42 side and the second sheet 43 side of the core body 41 can be efficiently absorbed. Thereby, it is possible to prevent moisture from remaining around the granular material 45 and to prevent rewetting.
  • the absorbent body 44 is compressed during use or the absorbent body 44 absorbs water. However, it is possible to prevent the bulk of the absorbent body 44 from being significantly reduced, and to exhibit a soft and soft feel and good cushioning properties. Moreover, since the thickness of the absorber 44 can be enlarged, an excellent wearing feeling can be obtained and a sufficient sense of security can be given to the user.
  • the core body 41 has a network structure formed by entanglement of long fibers of cellulose acetate tow, for example, the fibers need not be fused together or the fibers cannot be bonded with an adhesive. Can also form a network structure. For this reason, the core body 41 is rich in fiber gaps and has excellent liquid diffusibility. Moreover, the core body 41 is also comprised by the cellulose acetate tow, and also has the outstanding hydrophilic property. Moreover, since the core body 41 is shape
  • the granular material 45 is supported by the first sheet 42 between the core body 41 and the first sheet 42, and supported by the core body 41 between the core body 41 and the second sheet 43. Has been. For this reason, for example, it is not necessary to support the granular material 45 in the fiber gap formed by fusing or bonding the fibers of the core body 41. Moreover, since it is not necessary to fix the fiber gap of the core body 41 in this way, the good tactile sensation and bulkiness of the core body 41 can be maintained.
  • the core body 41 is a sheet-like shape and is disposed so as to overlap the first sheet 42 and the second sheet 43, the core body 41 is excellent in bulk and is excellent over a wide area of the absorber 44 even during use. A tactile feel can be obtained.
  • At least one of the first sheet 42 and the second sheet 43 has a network structure formed by combining short fibers. In this way, by configuring at least one of the first sheet 42 and the second sheet 43 to have the network structure, moisture can be quickly circulated into the absorbent body 44, and the particulate matter 45 can absorb water evenly. Can be made easier.
  • the compression energy of the core body 41 can be increased, and the absorbent body 44 has a good bulkiness, A soft and soft tactile sensation can be exhibited even better.
  • the compression energy refers to energy absorbed per 1 cm 2 of the surface during compression. It can be evaluated that the larger the value of the compression energy, the easier the compression and the softer it is.
  • the absorbent article 46 is stacked on the opposite side of the absorbent body 44, the back sheet 48 arranged to be opposite to the core body 41 of the first sheet 42, and the core body 41 of the second sheet 43. And a top sheet 47 arranged.
  • the core body 41 may have a fiber network structure by dissolving the fibers with a binder such as triacetin.
  • FIG. 4 is a vertical sectional view as seen from the conveying direction of the absorber 144 of the comparative example.
  • the non-woven fabric which is the core body 141 in the absorbent body 144 is lower in density than the first sheet 42 and the second sheet 43 and has the same density as the core body 41 in the absorbent body 44 of the embodiment.
  • rate, the rewet amount, and the compression energy were evaluated in the following procedures.
  • the absorbers 44 and 144 are arranged in a U shape in a top view, and 80 cc of physiological saline is dropped on the absorbers 44 and 144 in a state where a constant load (5 kg) is applied to the absorbers 44 and 144. At this time, the time required for the absorbers 44 and 144 to completely absorb water was measured as the water absorption rate at the first water absorption. In addition, after measuring the rewetting amount described later, a second 80 cc of physiological saline is dropped on the absorbers 44 and 144, and the time required for the absorbers 44 and 144 to completely absorb water is measured for the second time. It was measured as the rate of water absorption.
  • the compressive energy of the absorbers 44 and 144 of the comparative example and the example was measured using a touch measuring device “KES-G5” manufactured by Kato Tech Co., Ltd.
  • the absorbers 44 and 144 were applied from the surface in the thickness direction to the upper limit load at a constant speed under the setting conditions of a compression deformation rate of 0.1 mm / sec, an upper limit load of 50 g / cm 2 and a pressure plate area of 2 cm 2.
  • the plate was compressed and deformed by a pressure plate.
  • the value measured at this time was defined as compression energy.
  • Table 1 The measurement results are shown in Table 1.
  • the absorbent body 44 of the example can maintain the first and second water absorption rates in substantially the same manner as the absorbent body 144 of the comparative example.
  • the absorbent body 44 of the example can maintain the first rewetting amount substantially the same as the absorbent body 144 of the comparative example, and can suppress the second rewetting amount more than the absorbent body 144 of the comparative example.
  • the absorber 44 of an Example has significantly large compression energy compared with the absorber 144 of a comparative example.
  • the thickness of the absorber 144 of the comparative example is conspicuous compared to the absorber 44 of the example, It has been found that the absorbent body 44 of the example is thicker than the absorbent body 144 of the comparative example, and a sense of security can be obtained from the viewpoint of wearability and water absorption performance.
  • the reason why the absorbent body 44 of the embodiment can suppress the rewet amount and the compression energy is larger than that of the absorbent body 144 of the comparative example is, for example, that the core body 41 of the embodiment is bulkier than the core body 141 of the comparative example It is thought that it is soft.
  • moisture diffuses into the core body 41 through the fiber gaps of the long fibers of acetate tow inside the core body 41, and water is efficiently supplied to the granular materials 45 respectively disposed above and below the core body 41. It is conceivable that the amount of moisture remaining around the granular material 45 is reduced as compared with the comparative example due to the water absorption.
  • the granular material 45 cannot sufficiently absorb water compared to the example, and the second rewetting amount Is thought to have increased.
  • the present invention is not limited to the embodiments, and the configuration and method thereof can be changed, added, or deleted without departing from the spirit of the present invention.
  • two or more core bodies 41 may be disposed between the first sheet 42 and the second sheet 43.
  • the basis weight of the toe band 40 in the core body 41 can be increased, and the bulkiness (thickness) of the absorbent body 44 and the absorbent article 46 can be easily increased. it can.
  • the basis weight of the toe band 40 in the core body 41 can be reduced, and the bulkiness (thickness) of the absorbent body 44 and the absorbent article 46 can be easily reduced.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

Le corps absorbant selon l'invention comporte: une première feuille constituée de tissu non tissé; une deuxième feuille constituée de tissu non tissé et superposée à la première feuille; un noyau disposé entre la première feuille et la deuxième feuille; ainsi que des particules hydrophiles dispersées entre la première feuille et le noyau et entre la deuxième feuille et le noyau. Le noyau est constitué de longs filaments d'un câble d'acétate de cellulose ondulés et d'un ruban écarté.
PCT/JP2018/020063 2018-05-24 2018-05-24 Corps absorbant et article absorbant WO2019224987A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020520969A JPWO2019224987A1 (ja) 2018-05-24 2018-05-24 吸収体及び吸収性物品
PCT/JP2018/020063 WO2019224987A1 (fr) 2018-05-24 2018-05-24 Corps absorbant et article absorbant
CN201880089799.2A CN111989073A (zh) 2018-05-24 2018-05-24 吸收体及吸收性物品

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/020063 WO2019224987A1 (fr) 2018-05-24 2018-05-24 Corps absorbant et article absorbant

Publications (1)

Publication Number Publication Date
WO2019224987A1 true WO2019224987A1 (fr) 2019-11-28

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ID=68617247

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/020063 WO2019224987A1 (fr) 2018-05-24 2018-05-24 Corps absorbant et article absorbant

Country Status (3)

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JP (1) JPWO2019224987A1 (fr)
CN (1) CN111989073A (fr)
WO (1) WO2019224987A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005334626A (ja) * 2004-04-28 2005-12-08 Kao Corp 使い捨ておむつ
JP2006280753A (ja) * 2005-04-01 2006-10-19 Kao Corp 吸収性物品
JP2007105494A (ja) * 2004-08-20 2007-04-26 Kao Corp 吸収性物品
JP2007515224A (ja) * 2003-12-22 2007-06-14 エスセーアー・ハイジーン・プロダクツ・アーベー 複合ウェブ構造体を形成する装置及び方法、及び前記複合ウェブを含む吸収構造体
JP2007143889A (ja) * 2005-11-28 2007-06-14 Daio Paper Corp 吸収性物品および吸収要素の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7855314B2 (en) * 2004-06-28 2010-12-21 Daio Paper Corporation Absorber and absorbent article
JP4790233B2 (ja) * 2004-06-28 2011-10-12 大王製紙株式会社 吸収体
TWI358283B (en) * 2004-08-20 2012-02-21 Kao Corp Process of producing an absorbent article
JP2007167193A (ja) * 2005-12-20 2007-07-05 Kao Corp 吸収性シート及びそれを用いた吸収性物品
JP6415077B2 (ja) * 2014-04-01 2018-10-31 株式会社ダイセル 親水化されたセルロースアセテートトウバンド及びそれを用いた吸収体
CN106176059B (zh) * 2016-08-05 2020-03-17 黄山富田精工制造有限公司 一种复合芯体及其制造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007515224A (ja) * 2003-12-22 2007-06-14 エスセーアー・ハイジーン・プロダクツ・アーベー 複合ウェブ構造体を形成する装置及び方法、及び前記複合ウェブを含む吸収構造体
JP2005334626A (ja) * 2004-04-28 2005-12-08 Kao Corp 使い捨ておむつ
JP2007105494A (ja) * 2004-08-20 2007-04-26 Kao Corp 吸収性物品
JP2006280753A (ja) * 2005-04-01 2006-10-19 Kao Corp 吸収性物品
JP2007143889A (ja) * 2005-11-28 2007-06-14 Daio Paper Corp 吸収性物品および吸収要素の製造方法

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CN111989073A (zh) 2020-11-24
JPWO2019224987A1 (ja) 2021-05-27

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