CN218084576U - Low-rewet core non-woven fabric - Google Patents
Low-rewet core non-woven fabric Download PDFInfo
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- CN218084576U CN218084576U CN202222274669.2U CN202222274669U CN218084576U CN 218084576 U CN218084576 U CN 218084576U CN 202222274669 U CN202222274669 U CN 202222274669U CN 218084576 U CN218084576 U CN 218084576U
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- core
- woven fabric
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims description 117
- 239000000835 fiber Substances 0.000 claims description 22
- 239000002131 composite material Substances 0.000 claims description 8
- 238000009792 diffusion process Methods 0.000 claims description 7
- 239000011347 resin Substances 0.000 claims description 7
- 229920005989 resin Polymers 0.000 claims description 7
- 239000002250 absorbent Substances 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000004831 Hot glue Substances 0.000 claims description 5
- 230000002745 absorbent Effects 0.000 claims description 4
- 239000005871 repellent Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- -1 polypropylene Polymers 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 229920004933 Terylene® Polymers 0.000 description 5
- 229920000747 poly(lactic acid) Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000004626 polylactic acid Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 229920000742 Cotton Polymers 0.000 description 4
- 229920001131 Pulp (paper) Polymers 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920000297 Rayon Polymers 0.000 description 3
- 230000000474 nursing effect Effects 0.000 description 3
- 229920000433 Lyocell Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005213 imbibition Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000003821 menstrual periods Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Images
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- Nonwoven Fabrics (AREA)
Abstract
The utility model belongs to the non-woven field discloses a low rewet core non-woven. The low rewet core non-woven fabric consists of a structural layer A, a structural layer B, a structural layer C and a structural layer D; the structural layer A is arranged on the top layer, the structural layer D is arranged on the bottom layer, and the structural layer B is arranged between the structural layer A and the structural layer D; the structural layer A and the structural layer B are sequentially laid in the structural layer D from top to bottom; the structure layer A and the structure layer B are connected through the structure layer C; and the structural layer C penetrates through the structural layer A and the structural layer B and the structural layer D and is intertwined and connected together. The non-woven fabric has the advantages of being light and thin, not prone to falling of wadding, high in absorption speed, low in liquid permeation quantity, not prone to breaking or lumping and the like.
Description
Technical Field
The utility model belongs to the non-woven fabrics field, the utility model relates to a low rewet core non-woven fabrics.
Background
The core body for the sanitary material on the market at present can be divided into two categories, one is a cotton core body which is mainly formed by mixing fluff pulp and super absorbent resin and then coating the mixture by other materials, and the cotton core body is thick and heavy, is easy to fall cotton wool, has low wet strength, is lumpy and deformed after imbibing, and is easy to return wet; the other is a composite core body which is formed by combining the dust-free paper, the super absorbent resin, the fluffy cloth, the super absorbent resin and the dust-free paper through hot melt adhesive, and the composite core body is heavy, easy to fall off powder, low in wet strength and easy to return to wet. In conclusion, the two sanitary core bodies are not suitable for being used as sports nursing products at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the above-mentioned background art, provide a low infiltration core non-woven fabrics, this non-woven fabrics has frivolous, be difficult for falling the wadding, absorption rate is fast, liquid infiltration volume is low, be difficult for splitting or play advantages such as stick together, is fit for being the core of sports class nursing products such as women's menstrual period trousers, infant pull-up trousers and uses.
The utility model provides a technical scheme that its technical problem adopted is: a low rewet core non-woven fabric is composed of a structural layer A, a structural layer B, a structural layer C and a structural layer D; the structural layer A is arranged on the top layer, the structural layer D is arranged on the bottom layer, and the structural layer B is arranged between the structural layer A and the structural layer D; the structural layer A and the structural layer B are sequentially laid in the structural layer D from top to bottom; the structure layer A and the structure layer B are connected through the structure layer C; the structural layer C penetrates through the structural layer A and the structural layer D of the structural layer B and is intertwined and connected together;
the structural layer A is wet spunlace composite non-woven fabric and is formed by sequentially laying a liquid absorbing layer and a fiber net layer from top to bottom; the structural layer D is spunlace composite non-woven fabric and is formed by sequentially laying a diffusion layer and a leakage-proof layer from top to bottom.
Further, the liquid absorbing layer is made of pulp, and can be made of wood pulp, cotton pulp, grass pulp and the like, wherein the wood pulp is preferred; the fiber net layer is a chemical fiber layer, and the raw materials can be selected from terylene, polypropylene fiber, polylactic acid, viscose, lyocell and other materials, wherein the preferable material is terylene.
Further, the structural layer B is a liquid absorption liquid locking layer, and the raw material of the structural layer B is SAP high liquid absorption resin.
Further, the structural layer C is a hot melt adhesive layer, the melting point of the structural layer C is less than 150 ℃, the raw materials can be EVA, PE and the like, and preferred EVA; and the structural layer C is sprayed into a fibrous net through a hot melt glue gun machine.
Further, the surface of the structural layer A is provided with a 3D three-dimensional convex structure;
further, the diffusion layer is a chemical fiber layer, and the raw material can be any one of terylene, polypropylene, polylactic acid, viscose and lyocell, wherein terylene is preferred. The anti-leakage layer is a water-repellent chemical fiber layer, and the raw material can be any one of terylene, polypropylene fiber, polyethylene fiber and polylactic acid; among them, polypropylene is preferable.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model provides a pair of low rewet core non-woven compares with the current product of cleaning in market, the utility model provides a non-woven has frivolous, be difficult for falling wadding, absorption rate is fast, liquid rewet volume is low, be difficult for the fracture or play the characteristics that stick together, is fit for being the core of sports type nursing products such as women menstrual period trousers, infant pull-up trousers and uses.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the nonwoven fabric with low rewet core of the present invention.
In the figure, 1, a structural layer A,2, a structural layer B,3, a structural layer C,4, a structural layer D,5, a liquid absorbing layer, 6, a fiber mesh layer, 7, a diffusion layer and 8, a leakage-proof layer are arranged.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.
Example 1
A non-woven fabric with low rewet core is composed of a structural layer A1, a structural layer B2 and a structural layer D4 which are bonded and entangled by a structural layer C3, as shown in figure 1. Wherein structural layer A1 is the compound non-woven of wet process spunlace that contains wood pulp imbibition layer 5 and polyester fiber net layer 6, and structural layer B2 is SAP high imbibition resin layer, and structural layer C3 is EVA hot melt adhesive fiber layer, and structural layer D4 is the compound non-woven of spunlace that contains polyester fiber diffusion layer 7 and polypropylene fiber leak protection layer 8. The rewet core non-woven fabric has the gram weight of 200gsm, the thickness of 0.9mm, the falling scraps of 1.21gsm, the absorption speed of 1s, the liquid rewet capacity of 0.6gsm, the wet breaking strength of 23N/5cm and the wet breaking elongation of 50 percent.
Example 2
A low rewet core nonwoven fabric is formed by bonding and intertwining a structural layer A1, a structural layer B2 and a structural layer D4 through a structural layer C3. The structural layer A1 is a wet spunlace composite non-woven fabric containing a wood pulp liquid absorbing layer 5 and a viscose fiber net layer 6, the structural layer B2 is an SAP high liquid absorbing resin layer, the structural layer C3 is an EVA hot melt adhesive fiber layer, and the structural layer D4 is a spunlace composite non-woven fabric containing a polylactic acid fiber diffusion layer 7 and a polylactic acid fiber leakage-proof layer 8. The rewet core nonwoven fabric has a grammage of 220gsm, a thickness of 0.85mm, a chip falling rate of 0.79gsm, an absorption speed of 1s, a liquid rewet capacity of 0.75gsm, a wet breaking strength of 15N/5cm and a wet breaking elongation of 32%.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A low rewet core non-woven fabric is characterized by comprising a structural layer A (1), a structural layer B (2), a structural layer C (3) and a structural layer D (4); the structural layer A (1) is arranged at the top layer, the structural layer D (4) is arranged at the bottom layer, and the structural layer B (2) is arranged between the structural layer A (1) and the structural layer D (4); the structural layer A (1) and the structural layer B (2) and the structural layer D (4) are sequentially laid in the order from top to bottom; the structural layer A (1) and the structural layer B (2) are connected with the structural layer D (4) through the structural layer C (3); the structural layer C (3) penetrates through the structural layer A (1), the structural layer B (2) and the structural layer D (4) and is connected together in a winding manner; the structural layer A (1) is wet spunlace composite non-woven fabric and is formed by sequentially laying a liquid absorbing layer (5) and a fiber net layer (6) from top to bottom; the structural layer D (4) is spunlace composite non-woven fabric and is formed by sequentially laying a diffusion layer (7) and a leakage-proof layer (8) from top to bottom.
2. The nonwoven fabric of low rewet core as claimed in claim 1, wherein the liquid absorbent layer (5) is made of pulp; the fiber web layer (6) is a chemical fiber layer.
3. A low rewet core nonwoven fabric as claimed in claim 2, wherein the structural layer B (2) is a liquid-absorbent lock layer made of SAP high liquid-absorbent resin.
4. A low rewet core nonwoven as claimed in claim 3, wherein the structural layer C (3) is a hotmelt adhesive layer.
5. A low rewet core nonwoven as claimed in claim 4, wherein the diffusion layer (7) is a chemical fiber layer; the anti-leakage layer (8) is a water-repellent chemical fiber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222274669.2U CN218084576U (en) | 2022-08-29 | 2022-08-29 | Low-rewet core non-woven fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222274669.2U CN218084576U (en) | 2022-08-29 | 2022-08-29 | Low-rewet core non-woven fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218084576U true CN218084576U (en) | 2022-12-20 |
Family
ID=84448883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222274669.2U Active CN218084576U (en) | 2022-08-29 | 2022-08-29 | Low-rewet core non-woven fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218084576U (en) |
-
2022
- 2022-08-29 CN CN202222274669.2U patent/CN218084576U/en active Active
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