CN109334143B - Multilayer embossing non-woven fabric and production method thereof - Google Patents
Multilayer embossing non-woven fabric and production method thereof Download PDFInfo
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- CN109334143B CN109334143B CN201811473094.9A CN201811473094A CN109334143B CN 109334143 B CN109334143 B CN 109334143B CN 201811473094 A CN201811473094 A CN 201811473094A CN 109334143 B CN109334143 B CN 109334143B
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000004049 embossing Methods 0.000 title claims abstract description 14
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 75
- 238000000034 method Methods 0.000 claims abstract description 27
- 230000008569 process Effects 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims description 21
- 239000005871 repellent Substances 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 14
- 238000004080 punching Methods 0.000 claims description 7
- 238000009960 carding Methods 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 223
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 35
- 239000002344 surface layer Substances 0.000 abstract description 16
- 230000009286 beneficial effect Effects 0.000 abstract description 12
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000009792 diffusion process Methods 0.000 abstract description 10
- 230000035699 permeability Effects 0.000 abstract description 10
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 3
- 230000002940 repellent Effects 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 230000036541 health Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 206010020751 Hypersensitivity Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 208000026935 allergic disease Diseases 0.000 description 2
- 230000007815 allergy Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007794 irritation Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention discloses a multilayer concave-convex embossing non-woven fabric which comprises a hydrophobic layer, a flow guiding layer and a hydrophilic layer, wherein the flow guiding layer is arranged between the hydrophobic layer and the hydrophilic layer, the flow guiding layer is attached to the hydrophilic layer, the hydrophobic layer and the hydrophilic layer are attached in a pressing mode, and concave-convex shapes are arranged on the hydrophobic layer. The invention also discloses a production method of the multilayer concave-convex embossed non-woven fabric. The multilayer concave-convex embossing non-woven fabric produced by the process has the functions of unidirectional rapid diversion and hydrophobicity, the concave part is beneficial to the smooth diffusion of liquid, the convex part is beneficial to the reduction of the contact area with human skin, the air permeability is enhanced, and the surface layer hydrophobic layer is kept dry; the middle layer diversion layer has the function of rapid diversion, and can rapidly guide moisture from the surface layer and guide the moisture into the bottom layer; the hydrophilic layer of the bottom layer is matched with the middle diversion layer, so that the diffusion, permeation and reverse permeation of liquid are improved well. The invention can be applied to disposable sanitary products to improve the dryness, air permeability, water absorption and comfort of the skin contact surface.
Description
Technical Field
The invention relates to the field of non-woven fabrics, in particular to a multi-layer concave-convex embossed non-woven fabric and a production method of the multi-layer concave-convex embossed non-woven fabric.
Background
The non-woven fabric is formed by directional or random fibers, is a new generation of environment-friendly material, has the characteristics of moisture resistance, ventilation, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity and irritation, rich colors, low price, recycling and the like, and is widely applied to the modern industry.
The existing non-woven fabric has defects in structure, and the existing non-woven fabric is either all water-repellent fiber cloth or all hydrophilic fiber cloth, so that the non-woven fabric with the structure lacks comfort in the use process. And the existing multi-layer non-woven fabric is compounded by using a large amount of glue, so that not only is the additional material cost increased, but also the glue is a chemical synthetic material and has certain harmful component volatility. During the production process or the use process, certain influence is caused on the health of the producer and the user.
Disclosure of Invention
According to one aspect of the present invention, there is provided a multi-layer embossing non-woven fabric comprising a hydrophobic layer, a flow guiding layer and a hydrophilic layer, wherein the flow guiding layer is arranged between the hydrophobic layer and the hydrophilic layer, the flow guiding layer is bonded with the hydrophilic layer, the hydrophobic layer and the hydrophilic layer are bonded in a pressing manner, and the hydrophobic layer is provided with an embossing shape.
In the multilayer concave-convex embossed non-woven fabric provided by the invention, the surface layer hydrophobic layer has the functions of unidirectional rapid diversion and hydrophobic property, the concave part is beneficial to the smooth diffusion of liquid, the convex part is beneficial to reducing the contact area with human skin, the air permeability is enhanced, and the surface layer hydrophobic layer is kept dry; the middle layer diversion layer has the function of rapid diversion, and can rapidly guide moisture from the surface layer and guide the moisture into the bottom layer; the hydrophilic layer of the bottom layer is matched with the middle diversion layer, so that the diffusion, permeation and reverse permeation of liquid are improved well. The invention can be applied to disposable sanitary products to improve the dryness, air permeability, water absorption and comfort of the skin contact surface.
In some embodiments, the hydrophobic layer is full of pinholes with the same shape, the diversion layer is full of first diversion holes which are the same as and communicated with the pinholes in position, and the hydrophilic layer is full of second diversion holes which are the same as and communicated with the first diversion holes.
From this, through the pinhole that the mode formed of punching, the unsmooth shape that the pinhole formed is favorable to the hydrophobic layer to water conservancy diversion, and first water conservancy diversion hole is favorable to water conservancy diversion layer to water conservancy diversion, and the second water conservancy diversion hole is favorable to the hydrophilic layer to water absorption.
In some embodiments, the hydrophobic layer is an ES water repellent fiber cloth of 1.2D or 1.5D, the flow guiding layer is an ES water repellent fiber cloth of 2D or 6D, and the hydrophilic layer is an ES hydrophilic fiber cloth of 2D or 6D.
Therefore, the hydrophobic layer is a surface layer contacting with a human body, and the ES water-repellent fiber layer with 1.2D or 1.5D is adopted as the surface layer, so that the comfort of human body contact can be improved, and the water repellency of the hydrophobic layer can be improved; the diversion layer is a middle layer, the middle layer is mainly used for diversion, and the 2D or 6D ES water-repellent fiber layer is used as the middle layer, so that the diversion effect can be improved; the hydrophilic layer is a bottom layer, the bottom layer is mainly used for absorbing water, and the 2D or 6D ES hydrophilic fiber layer is used as the bottom layer, so that the water absorption efficiency can be improved.
In some embodiments, the baffle layer is surrounded by a hydrophobic layer and a hydrophilic layer.
Therefore, the water diversion layer is wrapped in the middle diversion layer, and water diversion can be prevented in the diversion process.
According to another aspect of the present invention, there is also provided a method for producing a multi-layered embossed nonwoven fabric, comprising a multi-layered embossed nonwoven fabric,
s1, attaching a diversion layer and a hydrophilic layer;
s2, punching the hydrophobic layer;
and S3, pressing the perforated hydrophobic layer and the hydrophilic layer attached with the diversion layer.
In the production method, after the diversion layer and the hydrophobic layer are stuck, the hydrophobic layer is punched to form concave-convex shapes on the surface, and finally the punched hydrophobic layer is stuck with the hydrophilic layer stuck with the diversion layer in a pressing mode. The multilayer embossing nonwoven produced in this way is not bonded with any glue. The product does not generate any toxic gas or liquid in the production process, and improves the production environmental protection; in addition, the product can not cause allergy and other phenomena due to the contact of chemicals with the skin in the use process, and the use safety of the product is improved.
In some embodiments, in step S2, a hole is punched between the hydrophobic layer input pin roll and the recess roll.
In the step S2, the hydrophobic layer is perforated by the needle roller and the pressure roller so that pinholes having the same shape are distributed on the surface of the hydrophobic layer, and the perforated hydrophobic layer flows into the next step along with the recess roller.
In some embodiments, the needle roller surface is covered with needles, the recess roller surface is covered with recesses for mating with the needles, and the needle roller is engaged with the recess roller.
Therefore, in the process of rotating the recess roller and the needle roller, the pin hole and the needle head are matched to punch the hydrophobic layer, the recess roller and the needle roller are used as a needle pressing process and a feeding process, so that energy sources are saved, and the environment-friendly requirement is met.
In some embodiments, in step S3, the hydrophilic layer attached to the guide layer is put between the first roll and the recess roll, and pressed with the perforated hydrophobic layer, and the first roll is tangential to the recess roll.
Therefore, the hydrophilic layer and the hydrophobic layer of the guide layer are pressed together by the first pressure roller and the concave roller, so that the hydrophobic layer, the guide layer and the hydrophilic layer are sufficiently pressed together, and concave holes are fully distributed on the surface of the concave roller, so that the hydrophobic layer, the guide layer and the hydrophilic layer are tightly adhered together and have concave-convex feeling.
In some embodiments, in step S1, the guiding layer and the hydrophilic layer are fed between the second roll and the third roll for bonding, and the second roll and the third roll are tangential.
In step S1, the second roll and the third roll press the guiding layer and the hydrophilic layer to tightly adhere the guiding layer and the hydrophilic layer.
In some embodiments, in step S1, the flow guiding layer and the hydrophobic layer are attached by a hot air double carding process.
Therefore, in the step S1, the diversion layer and the hydrophilic layer may be bonded by using a conventional hot air double carding process.
The beneficial effects of the invention are as follows: the multilayer concave-convex embossing non-woven fabric produced by the process has the functions of unidirectional rapid diversion and hydrophobicity, the concave part is beneficial to the smooth diffusion of liquid, the convex part is beneficial to the reduction of the contact area with human skin, the air permeability is enhanced, and the surface layer hydrophobic layer is kept dry; the middle layer diversion layer has the function of rapid diversion, and can rapidly guide moisture from the surface layer and guide the moisture into the bottom layer; the hydrophilic layer of the bottom layer is matched with the middle diversion layer, so that the diffusion, permeation and reverse permeation of liquid are improved well. The invention can be applied to disposable sanitary products to improve the dryness, air permeability, water absorption and comfort of the skin contact surface. And the adhesive is not needed to be used for bonding in the production process, the health of a producer and a user cannot be influenced in the production or use process, and the environmental protection and the safety of the product are improved.
Drawings
Fig. 1 is a schematic cross-sectional view of a multi-layered embossed nonwoven fabric according to an embodiment of the present invention;
FIG. 2 is a schematic view of the partial enlarged structure of FIG. 1;
FIG. 3 is a schematic view of the enlarged partial structure of B in FIG. 1;
fig. 4 is a schematic plan view of a device for producing the multi-layered embossed nonwoven fabric shown in fig. 1.
Reference numerals in the drawings: 1-hydrophobic layer, 11-pinhole, 2-diversion layer, 21-first diversion hole, 3-hydrophilic layer, 31-second diversion hole, 41-needle roller 42-concave roller, 43-first roll, 44-second roll, 45-third roll, 46-first accumulator, 47-second accumulator, 48-third accumulator.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 schematically shows a multi-layer embossing non-woven fabric according to an embodiment of the present invention, which comprises a hydrophobic layer 1, a diversion layer 2 and a hydrophilic layer 3, wherein the diversion layer 2 is arranged between the hydrophobic layer 1 and the hydrophilic layer 3, the diversion layer 2 is attached to the hydrophilic layer 3, the hydrophobic layer 1 and the hydrophilic layer 3 are attached in a pressing manner, and the hydrophobic layer 1 is provided with an embossing shape.
In the multilayer concave-convex embossed non-woven fabric provided by the invention, the surface layer hydrophobic layer 1 has the functions of unidirectional rapid diversion and hydrophobicity, the concave part is beneficial to the smooth diffusion of liquid, the convex part is beneficial to reducing the contact area with human skin, the air permeability is enhanced, and the surface layer hydrophobic layer 1 is kept dry; the middle layer diversion layer 2 has the function of rapid diversion, and can rapidly guide moisture from the surface layer and guide the moisture into the bottom layer; the bottom hydrophilic layer 3 is matched with the middle guide layer 2, so that the diffusion, permeation and reverse permeation of liquid are improved well. The invention can be applied to disposable sanitary products to improve the dryness, air permeability, water absorption and comfort of the skin contact surface.
Referring to fig. 1 to 3, in some embodiments, the hydrophobic layer 1 is filled with pinholes 11 having the same shape, the diversion layer 2 is filled with first diversion holes 21 having the same positions and communicating with the pinholes 11, and the hydrophilic layer 3 is filled with second diversion holes 31 having the same positions and communicating with the first diversion holes 21. The pinhole 11 that forms through the mode of punching, the unsmooth shape that pinhole 11 formed is favorable to hydrophobic layer 1 to water conservancy diversion, and first water conservancy diversion hole 21 is favorable to water conservancy diversion layer 2 to water conservancy diversion, and second water conservancy diversion hole 31 is favorable to hydrophilic layer 3 to water conservancy diversion to absorb.
Preferably, the hydrophobic layer 1 is an ES water repellent fiber cloth of 1.2D (denier) or 1.5D, the baffle layer 2 is an ES water repellent fiber cloth of 2D or 6D, and the hydrophilic layer 3 is an ES hydrophilic fiber cloth of 2D or 6D. The hydrophobic layer 1 is a surface layer contacting with a human body, and the ES water-repellent fiber layer with the density of 1.2D or 1.5D is used as the surface layer, so that the comfort of human body contact can be improved, and the hydrophobic rate of the hydrophobic layer 1 can be improved; the diversion layer 2 is a middle layer which is mainly used for diversion, and the 2D or 6D ES water-repellent fiber layer is used as the middle layer, so that the diversion effect can be improved; the hydrophilic layer 3 is a bottom layer which is mainly used for absorbing water, and the 2D or 6D ES hydrophilic fiber layer is used as the bottom layer, so that the water absorption efficiency can be improved.
Referring to fig. 1 to 3, the drainage layer 2 is surrounded by the hydrophobic layer 1 and the hydrophilic layer 3. The water diversion layer is wrapped on the middle diversion layer 2, and can prevent water diversion in the diversion process.
With reference to fig. 1-4, according to another aspect of the present invention, there is provided a method for producing a multi-layer embossed nonwoven fabric, including a multi-layer embossed nonwoven fabric, and further including a production apparatus including a frame, a needle roller 41, a pocket roller 42, a first roll 43, a second roll 44, and a third roll 45, wherein the needle roller 41, the pocket roller 42, the first roll 43, the second roll 44, and the third roll 45 are rotatably disposed on the frame. The recess roller 42 is disposed at the middle position of the frame, the needle roller 41 is disposed below the recess roller 42, the first roller 43 is disposed on the right side of the recess roller 42, the second roller 44 and the third roller 45 are disposed on the right lower side of the recess roller 42, and the recess roller 42 and the second roller 44 are driven by different motors, respectively. A first stocker 46 is provided on the left side of the needle roller 41, the first stocker 46 corresponds to the water repellent layer 1, and 1.2D water repellent fiber cloth is reserved in the first stocker 46. A second stocker 47 and a third stocker 48 are provided below the second roll 44 and the third roll 45, the second stocker 47 and the third stocker 48 correspond to the diversion layer 2 and the hydrophilic layer 3, respectively, the ES water repellent fiber cloth of 6D is reserved in the second stocker 47, and the ES hydrophilic fiber cloth of 6D is reserved in the second stocker 47.
S1, attaching a diversion layer 2 to a hydrophilic layer 3 so that the diversion layer 2 is attached above the hydrophilic layer 3;
s2, punching the hydrophobic layer 1 to enable pinholes 11 to be fully distributed on the hydrophobic layer 1, and enabling the surface of the hydrophobic layer 1 to form concave-convex shapes;
s3, pressing the perforated hydrophobic layer 1 and the hydrophilic layer 3 attached with the diversion layer 2, wherein pinholes 11 are fully distributed on the perforated hydrophobic layer 1 to form concave-convex points, and in the pressing process of the hydrophobic layer 1, the diversion layer 2 and the hydrophilic layer 3, the concave-convex points on the hydrophobic layer 1 squeeze the hydrophilic layer 3 attached with the diversion layer 2, so that a first diversion hole 21 which is identical and communicated with the pinholes 11 is formed on the diversion layer 2, and a second diversion hole 31 which is identical and communicated with the first diversion hole 21 is formed on the hydrophilic layer 3.
In the production method of the invention, after the diversion layer 2 and the hydrophobic layer 1 are bonded, the hydrophobic layer 1 is perforated to form concave-convex shapes on the surface, and finally the perforated hydrophobic layer 1 and the hydrophilic layer 3 attached with the diversion layer 2 are bonded in a pressing mode. The multilayer embossing nonwoven produced in this way is not bonded with any glue. The product does not generate any toxic gas or liquid in the production process, and improves the production environmental protection; in addition, the product can not cause allergy and other phenomena due to the contact of chemicals with the skin in the use process, and the use safety of the product is improved.
Referring to fig. 4, in step S2, the first stocker 46 inputs the hydrophobic layer 1 between the pin roll 41 and the recess roll 42 for punching. In this process, the needle roller 41 and the presser roller press the water-repellent layer 1 to have pinholes 11 with uniform shapes on the surface, and the water-repellent layer 1 after punching flows into the next step along with the recess roller 42.
Referring to fig. 4, needles are disposed on the surface of the needle roller 41, recesses for mating with the needles are disposed on the surface of the recess roller 42, and the needle roller 41 is engaged with the recess roller 42. In the process of rotating the groove roller 42 and the needle roller 41, the pinhole 11 and the needle head are matched to punch the hydrophobic layer 1, the groove roller 42 and the needle roller 41 are used as needle pressing working procedures and feeding working procedures, energy sources are saved, and the environment protection requirement is met.
Referring to fig. 4, in step S3, the second roll 44 and the third roll 45 press the hydrophilic layer 3 attached with the guide layer 2 between the first roll 43 and the recess 42 and the perforated hydrophobic layer 1, and the first roll 43 is tangent to the recess 42. The first roll 43 and the groove 42 press the hydrophilic layer 3 attached to the guide layer 2 and the hydrophobic layer 1, so that the hydrophobic layer 1, the guide layer 2 and the hydrophilic layer 3 are sufficiently pressed. And the concave holes are distributed on the surface of the concave roller 42, so that the hydrophobic layer 1, the diversion layer 2 and the hydrophilic layer 3 are tightly adhered together and have concave-convex feeling.
Referring to fig. 4, in step S1, the second stocker 47 and the third stocker 48 respectively input the diversion layer 2 and the hydrophilic layer 3 between the second roll 44 and the third roll 45 for lamination, and the second roll 44 and the third roll 45 are tangent. In step S1, the second roll 44 and the third roll 45 press the guiding layer 2 and the hydrophilic layer 3 to tightly adhere the guiding layer 2 and the hydrophilic layer 3.
In another embodiment, in step S1, the diversion layer 2 and the hydrophobic layer 1 may also be bonded by a hot air double carding process. In step S1, the guiding layer 2 and the hydrophilic layer 3 may also be bonded by using a conventional hot air double carding process.
The beneficial effects of the invention are as follows: the multilayer concave-convex embossing non-woven fabric produced by the process has the functions of unidirectional rapid diversion and water repellency, the concave part is beneficial to the smooth diffusion of liquid, the convex part is beneficial to the reduction of the contact area with human skin, the air permeability is enhanced, and the surface layer water repellent layer 1 is kept dry; the middle layer diversion layer 2 has the function of rapid diversion, and can rapidly guide moisture from the surface layer and guide the moisture into the bottom layer; the bottom hydrophilic layer 3 is matched with the middle guide layer 2, so that the diffusion, permeation and reverse permeation of liquid are improved well. The invention can be applied to disposable sanitary products to improve the dryness, air permeability, water absorption and comfort of the skin contact surface. And the adhesive is not needed to be used for bonding in the production process, the health of a producer and a user cannot be influenced in the production or use process, and the environmental protection and the safety of the product are improved.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (7)
1. The multilayer embossing non-woven fabric is characterized by comprising a hydrophobic layer (1), a flow guiding layer (2) and a hydrophilic layer (3), wherein the flow guiding layer (2) is arranged between the hydrophobic layer (1) and the hydrophilic layer (3), the flow guiding layer (2) is attached to the hydrophilic layer (3), the hydrophobic layer (1) and the hydrophilic layer (3) are attached in a pressing mode, and the hydrophobic layer (1) is provided with an embossing shape;
pinholes (11) with the same shape are distributed on the hydrophobic layer (1), first diversion holes (21) which are the same as the pinholes (11) in position and are communicated are distributed on the diversion layer (2), and second diversion holes (31) which are the same as the first diversion holes (21) in position and are communicated are distributed on the hydrophilic layer (3);
the hydrophobic layer (1) is an ES water-repellent fiber cloth with the size of 1.2D or 1.5D, the diversion layer (2) is an ES water-repellent fiber cloth with the size of 2D or 6D, and the hydrophilic layer (3) is an ES hydrophilic fiber cloth with the size of 2D or 6D;
the diversion layer (2) is wrapped in the middle by the hydrophobic layer (1) and the hydrophilic layer (3).
2. A method for producing a multi-layer embossed nonwoven fabric, for producing the multi-layer embossed nonwoven fabric according to claim 1, characterized in that,
s1, attaching the diversion layer (2) and the hydrophilic layer (3);
s2, punching the hydrophobic layer (1);
and S3, pressing the perforated hydrophobic layer (1) and the hydrophilic layer (3) attached with the diversion layer (2).
3. The method for producing a multi-layer embossed nonwoven fabric according to claim 2, wherein in step S2, the hydrophobic layer (1) is perforated between the input needle roller (41) and the recess roller (42).
4. The method of producing a multi-layer embossed nonwoven fabric according to claim 3, wherein needles are provided on the surface of the needle roller (41), recesses for mating with the needles are provided on the surface of the groove roller (42), and the needle roller (41) is engaged with the groove roller (42).
5. The method according to claim 4, wherein in the step S3, the hydrophilic layer (3) to which the guide layer (2) is attached is fed between the first roll (43) and the concave roll (42) and pressed against the perforated hydrophobic layer (1), and the first roll (43) is tangent to the concave roll (42).
6. The method of producing a multi-layered embossed nonwoven fabric according to claim 2, wherein in step S1, the guide layer (2) and the hydrophilic layer (3) are fed between a second roll (44) and a third roll (45) for bonding, and the second roll (44) and the third roll (45) are tangent to each other.
7. The method for producing a multi-layered embossed nonwoven fabric according to claim 2, wherein in the step S1, the diversion layer (2) and the water-repellent layer (1) are bonded by a hot air double carding process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811473094.9A CN109334143B (en) | 2018-12-04 | 2018-12-04 | Multilayer embossing non-woven fabric and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811473094.9A CN109334143B (en) | 2018-12-04 | 2018-12-04 | Multilayer embossing non-woven fabric and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109334143A CN109334143A (en) | 2019-02-15 |
| CN109334143B true CN109334143B (en) | 2023-11-24 |
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| CN201811473094.9A Active CN109334143B (en) | 2018-12-04 | 2018-12-04 | Multilayer embossing non-woven fabric and production method thereof |
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| CN110344174A (en) * | 2019-06-27 | 2019-10-18 | 杭州诺邦无纺股份有限公司 | A kind of Combined water prick nonwoven cloth and preparation method thereof for personal hygiene nursing materials water suction surface layer |
| CN114232204B (en) * | 2021-12-23 | 2023-06-16 | 稳健医疗用品股份有限公司 | Composite non-woven fabric and preparation method and application thereof |
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| CN105748209B (en) * | 2016-03-16 | 2022-04-26 | 厦门延江新材料股份有限公司 | Perforated non-woven fabric and production method thereof |
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