CN217960546U - Liquid absorption core - Google Patents
Liquid absorption core Download PDFInfo
- Publication number
- CN217960546U CN217960546U CN202220544876.2U CN202220544876U CN217960546U CN 217960546 U CN217960546 U CN 217960546U CN 202220544876 U CN202220544876 U CN 202220544876U CN 217960546 U CN217960546 U CN 217960546U
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- layer
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- water
- polymer water
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- 238000010521 absorption reaction Methods 0.000 title claims abstract description 18
- 239000007788 liquid Substances 0.000 title claims abstract description 18
- 239000010410 layer Substances 0.000 claims abstract description 107
- 239000000463 material Substances 0.000 claims abstract description 66
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920000642 polymer Polymers 0.000 claims abstract description 15
- 239000002344 surface layer Substances 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 4
- 239000004745 nonwoven fabric Substances 0.000 claims description 11
- 239000002250 absorbent Substances 0.000 claims description 8
- -1 polyethylene Polymers 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 229920000728 polyester Polymers 0.000 claims description 4
- 230000005660 hydrophilic surface Effects 0.000 claims description 3
- 239000002952 polymeric resin Substances 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000002745 absorbent Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 238000009940 knitting Methods 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Absorbent Articles And Supports Therefor (AREA)
Abstract
The utility model discloses a liquid absorption core, which comprises a first material layer, a second material layer, a high polymer water absorption resin layer and a third material layer which are sequentially stacked, wherein the first material layer is a knitted fabric which comprises a surface layer with hydrophilicity, a middle layer with supportability and a bottom layer with water absorption property, and the middle layer is arranged between the surface layer and the bottom layer; the first material layer is bonded with the second material layer, the high polymer water absorption resin layer is bonded between the second material layer and the third material layer, and the high polymer water absorption resin layer comprises a plurality of high polymer water absorption resin particles; the utility model discloses thickness is less, liquid absorptivity is good, non-deformable.
Description
Technical Field
The utility model relates to a used core field of sanitary products such as panty-shape diapers, sanitary towel especially relates to a liquid absorbs core.
Background
The core body used for sanitary products such as paper diapers, sanitary towels and the like mainly plays a role in absorbing liquid such as urine, blood and the like and is stored in the core body. The existing core body has the defects of large thickness, poor liquid absorbability, easy deformation and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a liquid absorption core body, which has smaller thickness, good liquid absorption and non-deformation.
A liquid absorption core body comprises a first material layer, a second material layer, a high polymer water absorption resin layer and a third material layer which are sequentially stacked, wherein the first material layer is a knitted fabric and comprises a hydrophilic surface layer, a supporting middle layer and a water absorption bottom layer, and the middle layer is arranged between the surface layer and the bottom layer; the first material layer is bonded with the second material layer, the polymer water-absorbing resin layer is bonded between the second material layer and the third material layer, and the polymer water-absorbing resin layer comprises a plurality of polymer water-absorbing resin particles.
Furthermore, the surface layer is made of cotton fibers, the middle layer is made of nylon fibers, the bottom layer is made of polyester fibers, the second material layer is made of hot-air non-woven fabric, and the third material layer is made of dust-free paper.
Furthermore, patterns or figures are formed on the outer surface of the first material layer, the appearance is attractive, when the patterns or figures are arranged in a concave-convex mode, the first material layer is locally in contact with a human body, and air permeability is good; a plurality of regularly distributed gaps are formed on the surface layer and the bottom layer, and the tiny gaps have good air permeability and liquid guiding performance.
Furthermore, the first material layer is in regular local bonding connection with the second material layer, and the high polymer water-absorbing resin layer is in regular local bonding between the second material layer and the third material layer. Local connection is adopted between each layer, so that liquid and gas mobility is prevented from being hindered, and the effect is better.
And the waterproof polyethylene film is adhered to the bottom surface of the third material layer and covers the bottom surface of the third material layer completely to prevent liquid leakage.
The utility model has the advantages that: mainly by first material layer, second material layer, polymer resin layer that absorbs water, third material layer, polyethylene waterproof membrane constitute, it has thickness less, liquid absorptivity is good, non-deformable, uses advantages such as comfortable.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a schematic structural view of the top or bottom layer of the present invention;
fig. 4 is a schematic structural diagram of the first material layer of the present invention.
Detailed Description
The following description will further explain embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1-4, a liquid absorbing core comprises a first material layer 1, a second material layer 2, a high molecular water-absorbent resin layer 3, a third material layer 4, and a polyethylene waterproof film 5, which are sequentially stacked, wherein the first material layer 1 is a knitted fabric, and comprises a hydrophilic surface layer 6, a supportive middle layer 7, and a water-absorbent bottom layer 8, and the middle layer 7 is disposed between the surface layer 6 and the bottom layer 8; the first material layer 1 is adhered to the second material layer 2, the high polymer water-absorbing resin layer 3 is adhered between the second material layer 2 and the third material layer 4, and the polyethylene waterproof film 5 is adhered to the bottom surface of the third material layer 4 and covers the bottom surface of the third material layer 4 completely; preferably: the first material layer 1 is bonded with the second material layer 2 regularly and locally, the high polymer water-absorbing resin layer 3 is bonded between the second material layer 2 and the third material layer 4 regularly and locally, and the bonding can be in a water-binding bonding mode or a hot melting mode; the high molecular water absorbent resin layer 3 is preferably formed by regularly distributing a plurality of high molecular water absorbent resin particles, SAP, which is a typical functional high molecular material, and can absorb hundreds times and even thousands times of liquid of its own weight and has strong water retention capacity, so it is also called super absorbent or high water retention agent.
The knitted fabric is a fabric formed by bending yarns and the like into loops by using a knitting needle and mutually stringing and sleeving the yarns, and is divided into a warp knitting knitted fabric and a weft knitting knitted fabric; the knitted fabric has the characteristics of soft texture, moisture absorption, ventilation, perspiration, warmth retention and the like, and most of the knitted fabric has excellent elasticity and extensibility; the knitted dress is comfortable to wear, fits body, has no sense of constraint and can fully embody the curve of the human body. The surface layer 6 is preferably made of cotton fibers, the main component of the cotton fibers is cellulose, the cellulose is a natural high molecular compound, and the surface layer is good in hygroscopicity, hydrophilicity and water absorption capacity, small in skin contact stimulation and good in sanitary performance; the middle layer 7 is preferably made of nylon fiber, the nylon has the characteristics of high strength and good wear resistance, the elasticity and the elastic recovery of the nylon fabric are excellent, and after a human body extrudes the core body, the core body can be better recovered to avoid deformation; the bottom layer 8 is preferably made of polyester fibers, and the polyester fibers have the advantages of high strength, high elasticity, good shape retention, water absorption and the like; the second material layer 2 is preferably made of hot-air non-woven fabric which mainly takes polypropylene resin as a production raw material, so that the product is high in fluffiness and good in hand feeling, and the hot-air non-woven fabric is soft and extremely high in comfort level; the finished hot-air non-woven fabric is moderate in softness and extremely comfortable, and the hot-air non-woven fabric is good in water-repellent and air-permeable performance; the hot-air non-woven fabric is made of polypropylene, so that the cut piece of the material does not absorb water, the water content is almost zero, the finished product of the hot-air non-woven fabric has excellent water repellency, and the hot-air non-woven fabric is composed of fibers and has porosity and good air permeability. The third material layer 4 is preferably made of dust-free paper, which is also called dry-process paper-making nonwoven fabric, and is one of dry-process nonwoven fabrics, and has unique physical properties, such as high elasticity, softness, excellent hand feeling and drape, extremely high water absorption and good water retention performance. The outer surface of the first material layer 1 is provided with a pattern or figure 9, and the surface layer 6 and the bottom layer 8 are provided with a plurality of regularly distributed gaps 10.
It should be noted that: in this document, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it is to be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a liquid absorption core, is including first material layer, second material layer, the polymer resin layer that absorbs water, the third material layer that stacks gradually the setting, characterized by: the first material layer is knitted fabric and comprises a hydrophilic surface layer, a supporting middle layer and a water-absorbing bottom layer, wherein the middle layer is arranged between the surface layer and the bottom layer; the first material layer is bonded with the second material layer, the polymer water-absorbing resin layer is bonded between the second material layer and the third material layer, and the polymer water-absorbing resin layer comprises a plurality of polymer water-absorbing resin particles.
2. A liquid-absorbent core as claimed in claim 1, wherein: the surface layer is made of cotton fibers, the middle layer is made of nylon fibers, the bottom layer is made of polyester fibers, the second material layer is made of hot-air non-woven fabric, and the third material layer is made of dust-free paper.
3. A liquid-absorbent core as claimed in claim 2, wherein: the outer surface of the first material layer is provided with patterns or figures, and the surface layer and the bottom layer are provided with a plurality of regularly distributed gaps.
4. A liquid-absorbent core as claimed in claim 1, wherein: the first material layer is in regular local bonding connection with the second material layer, and the high polymer water-absorbing resin layer is in regular local bonding between the second material layer and the third material layer.
5. A liquid absorbing core according to claim 3, wherein: the waterproof polyethylene film is adhered to the bottom surface of the third material layer and covers the bottom surface of the third material layer completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544876.2U CN217960546U (en) | 2022-03-14 | 2022-03-14 | Liquid absorption core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220544876.2U CN217960546U (en) | 2022-03-14 | 2022-03-14 | Liquid absorption core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217960546U true CN217960546U (en) | 2022-12-06 |
Family
ID=84253509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220544876.2U Active CN217960546U (en) | 2022-03-14 | 2022-03-14 | Liquid absorption core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217960546U (en) |
-
2022
- 2022-03-14 CN CN202220544876.2U patent/CN217960546U/en active Active
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