CN215821412U - Absorption core and disposable ultrathin absorption article - Google Patents
Absorption core and disposable ultrathin absorption article Download PDFInfo
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- CN215821412U CN215821412U CN202122197610.3U CN202122197610U CN215821412U CN 215821412 U CN215821412 U CN 215821412U CN 202122197610 U CN202122197610 U CN 202122197610U CN 215821412 U CN215821412 U CN 215821412U
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Abstract
The utility model provides an absorption core and a disposable ultrathin absorption article, wherein the absorption core comprises an upper core, a lower core and a composite wrapping layer; the composite wrapping layer wraps the outer part of the lower core body; the upper core body is bonded with the upper surface of the lower core body wrapped with the composite wrapping layer; the composite wrapping layer comprises first dust-free paper and first non-woven fabric, and the lower surface of the first dust-free paper and the upper surface of the first non-woven fabric are compounded together through thermal bonding. The utility model has the advantages that: with first dustless paper and first non-woven cloth form soft water conservancy diversion parcel layer through the heat bonding is compound together to wrap up whole lower floor's core in inside through compound parcel layer, can reduce the granular sensation of lower floor's core, and strengthen the water conservancy diversion effect, thereby promote the utilization ratio of whole absorption core.
Description
Technical Field
The utility model belongs to the technical field of nursing, and particularly relates to an absorption core body and a disposable ultrathin absorption article.
Background
The diaper is a daily article for babies, and is a general name of paper diapers, paper diapers and pull-ups. The dry and comfortable diaper can keep the baby to sleep well all night, and is commonly called as the diaper due to strong water absorption. The absorbent core is an important component of the diaper and directly determines the quality of the diaper. The traditional absorption core body is formed by mixing fluff pulp and high molecular absorption resin (SAP), has no layering and no partition, is easy to lump and fault in the using process, and is eliminated at present; the substitute is a composite core body structure, and the diaper can be thinner by adopting the composite core body, and the diaper does not lump and is not easy to break. However, the existing composite core body structure has the problems of more core body granular sensation, poorer flow guide effect and poor utilization rate in actual use. In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems of providing an absorption core and a disposable ultrathin absorption article, and solving the problems of more granular sensation, poorer flow guide effect and poor utilization rate of the core of the existing composite core structure.
The utility model is realized by the following steps:
in a first aspect, an absorbent core comprises an upper core, a lower core, and a composite wrap; the composite wrapping layer wraps the outer part of the lower core body; the upper core body is bonded with the upper surface of the lower core body wrapped with the composite wrapping layer; the composite wrapping layer comprises first dust-free paper and first non-woven fabric, and the lower surface of the first dust-free paper and the upper surface of the first non-woven fabric are compounded together through thermal bonding.
Further, the lower core includes a first ultrathin core and a second ultrathin core; the upper surface of the first ultrathin core is bonded with the lower surface of the second ultrathin core, or the lower surface of the first ultrathin core is bonded with the upper surface of the second ultrathin core.
Further, the first ultrathin core comprises a lining paper and a first polymer absorption resin sprayed and adhered to the upper surface of the lining paper through 3D printing.
Further, the first ultrathin core comprises a second non-woven fabric and a second macromolecule absorption resin which is sprayed and adhered to the upper surface of the second non-woven fabric through 3D printing.
Further, the second ultrathin core comprises a third non-woven fabric and a third high molecular absorption resin which is sprayed and bonded on the upper surface of the third non-woven fabric through 3D printing.
Further, the upper core body is a wood pulp macromolecule absorption resin mixed core body, and a U-shaped diversion trench is arranged in the middle of the upper core body.
Furthermore, the groove width of the U-shaped diversion trench is 3-30 mm.
In a second aspect, a disposable ultrathin absorbent article includes a gas-impermeable backing film, an absorbent core adhered to an upper surface of the gas-impermeable backing film, a flow guide layer adhered to an upper surface of the absorbent core, and a facing layer adhered to an upper surface of the flow guide layer; two sides of the upper surface of the surface layer are provided with leakproof isolation edges; one end of the lower surface of the air-proof basement membrane is provided with a front waist sticker, and the other end of the lower surface of the air-proof basement membrane is provided with adhesive sheets on two sides; the absorbent core uses the absorbent core described in the first aspect.
Furthermore, the leakage-proof barrier comprises a fourth non-woven fabric, a PE film adhered to the upper surface of the fourth non-woven fabric and a fifth non-woven fabric adhered to the upper surface of the PE film.
Further, the air-impermeable base film comprises a bottom layer of non-woven fabric and a base film adhered to the upper surface of the bottom layer of non-woven fabric; the upper surface of the basement membrane is provided with a waist ring.
The utility model has the advantages that:
1. the adoption passes through the thermal bonding complex with first dustless paper and first non-woven cloth and forms soft water conservancy diversion parcel layer (compound parcel layer promptly) together to wrap up whole lower floor's core in inside through compound parcel layer, can reduce the granular sensation of lower floor's core, and reinforcing water conservancy diversion effect, thereby promote the utilization ratio of whole absorption core.
2. The lower core body wrapped by the composite wrapping layer is 10-30mm wider than the original core body, so that the whole lower core body is ensured to have enough expansion space after absorbing liquid, and the problem that the absorption space of the original core body is not enough is solved.
3. The first ultrathin core body and the second ultrathin core body are manufactured by adopting a 3D printing and spraying technology and combining a large spiral glue spraying mode, so that the whole lower-layer core body can be ensured to be thinner, and the whole absorption core body is thinner; meanwhile, the fault condition can not occur in the use process of the first ultrathin core body and the second ultrathin core body.
Drawings
The utility model will be further described with reference to the following examples with reference to the accompanying drawings.
FIG. 1 is a schematic view of an absorbent core of the present invention;
FIG. 2 is a schematic view of the structure of the composite wrap of the present invention wrapped around an underlying core;
FIG. 3 is a schematic view of the combined structure of the lower core of the present invention;
figure 4 is a cross-sectional view of an absorbent core according to the utility model;
FIG. 5 is a schematic view of the composite wrap of the present invention;
FIG. 6 is a schematic structural view of an upper core of the present invention;
FIG. 7 is a schematic structural view of a disposable ultra-thin absorbent article of the present invention;
FIG. 8 is a cross-sectional view of a disposable ultra-thin absorbent article of the present invention.
Description of reference numerals:
100-an absorbent core;
1-upper core body, 11-U-shaped diversion trench;
2-lower core, 21-first ultrathin core, 211-lining paper, 212-first macromolecule absorbent resin, 213-second non-woven fabric, 214-second macromolecule absorbent resin, 22-second ultrathin core, 221-third non-woven fabric, 222-third macromolecule absorbent resin;
3-composite wrapping layer, 31-first dust-free paper, 32-first non-woven fabric;
4-air-proof basement membrane, 41-bottom non-woven fabric, 42-basement membrane, 421-waist ring;
5-a flow guiding layer;
6-surface layer, 61-leakproof isolation edge, 611-fourth non-woven fabric, 612-PE film and 613-fifth non-woven fabric;
7-front waist patch;
8-sticking piece.
Detailed Description
For a better understanding of the technical aspects of the present invention, reference will now be made in detail to the embodiments of the present invention, which are illustrated in the accompanying drawings.
Example 1
Referring to fig. 1 to 6, an absorbent core 100 of the present invention comprises an upper core 1, a lower core 2 and a composite wrap 3; the composite wrapping layer 3 is wrapped outside the lower core body 2; the upper core body 1 and the upper surface of the lower core body 2 wrapped with the composite wrapping layer 3 are bonded together through glue; the composite wrapping layer 3 comprises a first dust-free paper 31 and a first non-woven fabric 32, wherein the lower surface of the first dust-free paper 31 and the upper surface of the first non-woven fabric 32 are compounded together through thermal bonding. According to the utility model, the first dust-free paper 31 and the first non-woven fabric 32 are compounded together through thermal bonding to form the soft diversion wrapping layer (namely the compound wrapping layer 3), and the whole lower-layer core body 2 is wrapped inside through the compound wrapping layer 3, so that the granular feeling of the lower-layer core body 2 can be reduced, the diversion effect is enhanced, and the utilization rate of the whole absorption core body 100 is improved. Meanwhile, the lower-layer core body 2 wrapped by the composite wrapping layer 3 is 10-30mm wider than the original core body, so that the whole lower-layer core body 2 is ensured to have enough expansion space after absorbing liquid, and the problem that the original core body is insufficient in absorption space is solved. When the upper core 1 and the lower core 2 are bonded together by glue, the upper core 1 may be shorter than the lower core 2, and the entire absorbent region may be set slightly forward in the middle to better meet the actual usage requirements.
Preferably, the lower core 2 includes a first ultrathin core 21 and a second ultrathin core 22; the upper surface of the first ultrathin core 21 and the lower surface of the second ultrathin core 22 are bonded together by glue, or the lower surface of the first ultrathin core 21 and the upper surface of the second ultrathin core 22 are bonded together by glue, that is, in specific implementation, the first ultrathin core 21 may be disposed above the second ultrathin core 22, or the second ultrathin core 22 may be disposed above the first ultrathin core 21; it is preferable to bond the lower surface of the first ultrathin core 21 and the upper surface of the second ultrathin core 22 by gluing. In specific implementation, the first ultrathin core 21 and the second ultrathin core 22 are bonded together by gluing, and the composite wrapping layer 3 is wrapped and bonded outside the first ultrathin core 21 and the second ultrathin core 22 by hot melt glue.
As an embodiment of the present invention, the first ultra-thin core 21 includes a liner 211 and a first polymer absorbent resin 212 sprayed and adhered to an upper surface of the liner 211 by 3D printing. In specific implementation, the lining paper 211 and the first polymer absorbent resin 212 are bonded together by adopting a 3D printing and spraying technology and combining a large spiral glue spraying mode; the first polymer absorbent resin 212 is printed in 3D to form a structure similar to a 6-sided polygon, and the first polymer absorbent resin 212 is uniformly distributed on the upper surface of the lining paper 211.
As an embodiment of the present invention, the first ultra-thin core 21 includes a second non-woven fabric 213 and a second polymer absorbent resin 214 sprayed and bonded to an upper surface of the second non-woven fabric 213 by 3D printing. In specific implementation, the second non-woven fabric 213 and the second polymeric absorbent resin 214 are bonded together by adopting a 3D printing and spraying technology and combining a large spiral glue spraying mode; the second polymeric absorbent resin 214 is printed in 3D to form a structure similar to a 6-sided polygon, and the second polymeric absorbent resin 214 is uniformly distributed on the upper surface of the second non-woven fabric 213. That is, the first ultrathin core 21 may be obtained by bonding the liner 211 to the first polymer absorbent resin 212 or the second nonwoven fabric 213 to the second polymer absorbent resin 214.
Preferably, the second ultra-thin core 22 includes a third non-woven fabric 221 and a third polymeric absorbent resin 222 sprayed and bonded to an upper surface of the third non-woven fabric 221 by 3D printing. In specific implementation, the third non-woven fabric 221 and the third polymeric absorbent resin 222 are bonded together by adopting a 3D printing and spraying technology and combining a large spiral glue spraying mode; the third polymeric absorbent resin 222 is printed in 3D to form a structure similar to a 6-sided polygon, and the third polymeric absorbent resin 222 is uniformly distributed on the upper surface of the third non-woven fabric 221.
According to the utility model, the first ultrathin core body 21 and the second ultrathin core body 22 are prepared by adopting a 3D printing and spraying technology and combining a large spiral glue spraying mode, so that the whole lower-layer core body 2 can be ensured to be thinner, and the whole absorption core body 100 is thinner; meanwhile, the first ultrathin core 21 and the second ultrathin core 22 do not have a fault condition in the use process.
Preferably, the upper core 1 is a wood pulp macromolecule absorbent resin mixed core, and the middle of the upper core 1 is provided with a U-shaped diversion trench 11 to facilitate the absorption of the product to liquid.
Preferably, the width of the U-shaped guide groove 11 is 3-30mm to accelerate the absorption of liquid by the product. In a specific implementation, the groove width of the U-shaped guide groove 11 may be set to any one of 3mm, 6mm, 9mm, 12mm, 15mm, 18mm, 21mm, 24mm, 27mm, and 30 mm.
Example 2
Referring to fig. 1 to 8, a disposable ultrathin absorbent article according to the present invention includes an air-impermeable back film 4, an absorbent core 100 adhered to the upper surface of the air-impermeable back film 4, a fluid guiding layer 5 adhered to the upper surface of the absorbent core 100, and a surface layer 6 adhered to the upper surface of the fluid guiding layer 5; two sides of the upper surface of the surface layer 6 are provided with leakproof isolation edges 61; one end of the lower surface of the air-proof basement membrane 4 is provided with a front waist sticker 7, and the other end of the lower surface of the air-proof basement membrane 4 is provided with adhesive patches 8 on two sides; for the specific structure of the absorbent core 100, please refer to the description of embodiment 1, and the description thereof is omitted. Through using above-mentioned absorption core 100 to absorb the articles for use, can reduce the granular sensation that absorbs the articles for use to reinforcing water conservancy diversion effect, thereby promoting the whole utilization ratio that absorbs the articles for use, whole absorption articles for use are lighter and thinner simultaneously, can promote the travelling comfort of wearing, also can effectively solve the fault problem that absorbs core 100.
Preferably, the leakage preventing barrier 61 includes a fourth nonwoven fabric 611, a PE film 612 bonded to an upper surface of the fourth nonwoven fabric 611, and a fifth nonwoven fabric 613 bonded to an upper surface of the PE film 612. In specific implementation, the inner side of the fourth nonwoven fabric 611, the inner side of the fifth nonwoven fabric 613 and the PE film 612 are intermittently sized, i.e., partially sized and partially unsized, so that not only softness can be improved, but also irritation to the skin can be reduced. According to the utility model, the PE film 612 is arranged in the anti-leakage partition edge 61, so that the side leakage phenomenon of the product can be effectively reduced.
Preferably, the gas-impermeable base film 4 comprises a base nonwoven fabric 41 and a base film 42 bonded to the upper surface of the base nonwoven fabric 41; a waist ring 421 is provided on the upper surface of the bottom film 42 to improve wearing comfort.
Although specific embodiments of the utility model have been described above, it will be understood by those skilled in the art that the specific embodiments described are illustrative only and are not limiting upon the scope of the utility model, and that equivalent modifications and variations can be made by those skilled in the art without departing from the spirit of the utility model, which is to be limited only by the appended claims.
Claims (10)
1. The utility model provides an absorb core and disposable ultra-thin absorption articles for use which characterized in that: comprises an upper core body, a lower core body and a composite wrapping layer; the composite wrapping layer wraps the outer part of the lower core body; the upper core body is bonded with the upper surface of the lower core body wrapped with the composite wrapping layer; the composite wrapping layer comprises first dust-free paper and first non-woven fabric, and the lower surface of the first dust-free paper and the upper surface of the first non-woven fabric are compounded together through thermal bonding.
2. An absorbent core and disposable ultra-thin absorbent article as defined in claim 1, wherein: the lower core comprises a first ultrathin core and a second ultrathin core; the upper surface of the first ultrathin core is bonded with the lower surface of the second ultrathin core, or the lower surface of the first ultrathin core is bonded with the upper surface of the second ultrathin core.
3. An absorbent core and disposable ultra-thin absorbent article as defined in claim 2, wherein: the first ultrathin core comprises a lining paper and a first polymer absorption resin sprayed and adhered to the upper surface of the lining paper through 3D printing.
4. An absorbent core and disposable ultra-thin absorbent article as defined in claim 2, wherein: the first ultrathin core body comprises a second non-woven fabric and a second macromolecule absorption resin which is sprayed and adhered to the upper surface of the second non-woven fabric through 3D printing.
5. An absorbent core and disposable ultra-thin absorbent article as defined in claim 2, wherein: the second ultrathin core body comprises a third non-woven fabric and a third high molecular absorption resin which is sprayed and bonded on the upper surface of the third non-woven fabric through 3D printing.
6. An absorbent core and disposable ultra-thin absorbent article as defined in claim 1, wherein: the upper core body is a wood pulp macromolecule absorption resin mixed core body, and a U-shaped diversion trench is arranged in the middle of the upper core body.
7. An absorbent core and disposable ultra-thin absorbent article as defined in claim 6, wherein: the groove width of the U-shaped diversion trench is 3-30 mm.
8. An absorbent core and disposable ultra-thin absorbent article as defined in claim 1, wherein: comprises an air-impermeable bottom film, an absorption core adhered to the upper surface of the air-impermeable bottom film, a flow guide layer adhered to the upper surface of the absorption core and a surface layer adhered to the upper surface of the flow guide layer; two sides of the upper surface of the surface layer are provided with leakproof isolation edges; one end of the lower surface of the air-proof basement membrane is provided with a front waist sticker, and the other end of the lower surface of the air-proof basement membrane is provided with adhesive sheets on two sides; the absorbent core uses the absorbent core according to any one of claims 1 to 7.
9. An absorbent core and disposable ultra-thin absorbent article as defined in claim 8, wherein: the leakage-proof separation edge comprises a fourth non-woven fabric, a PE film adhered to the upper surface of the fourth non-woven fabric and a fifth non-woven fabric adhered to the upper surface of the PE film.
10. An absorbent core and disposable ultra-thin absorbent article as defined in claim 8, wherein: the air-impermeable basement membrane comprises a bottom layer non-woven fabric and a basement membrane adhered to the upper surface of the bottom layer non-woven fabric; the upper surface of the basement membrane is provided with a waist ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197610.3U CN215821412U (en) | 2021-09-10 | 2021-09-10 | Absorption core and disposable ultrathin absorption article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122197610.3U CN215821412U (en) | 2021-09-10 | 2021-09-10 | Absorption core and disposable ultrathin absorption article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215821412U true CN215821412U (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122197610.3U Active CN215821412U (en) | 2021-09-10 | 2021-09-10 | Absorption core and disposable ultrathin absorption article |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215821412U (en) |
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2021
- 2021-09-10 CN CN202122197610.3U patent/CN215821412U/en active Active
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