CN219184550U

CN219184550U - Novel absorbing article

Info

Publication number: CN219184550U
Application number: CN202223447720.1U
Authority: CN
Inventors: 荣育凤; 焦红岩; 田春兰; 崔象凯
Original assignee: Nuo Chen Co ltd
Current assignee: Nuo Chen Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-16
Anticipated expiration: 2032-12-22

Abstract

The utility model provides a novel absorption article which sequentially comprises a surface layer, a convex absorption core, a first absorption layer, a second absorption layer and a bottom layer from top to bottom; the first absorption layer is a polyurethane foam cotton layer with bulges at the left side and the right side and notches at the middle position, the bulge absorption core is accommodated in the notches, and the top of the bulge absorption core is higher than the upper surface of the polyurethane foam cotton layer; the polyurethane foam cotton layer is internally provided with a plurality of through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer, the through holes at the middle position are large in pore diameter and dense in distribution, and the through holes at the left side and the right side are small in pore diameter and sparse in distribution; the second absorption layer is a wet-process super absorbent resin absorbent paper layer. The novel absorbent article has the advantages of high absorption speed, dryness, high absorptivity, good wearing comfort and the like.

Description

Novel absorbing article

Technical Field

The utility model relates to the technical field of physiological sanitary articles, in particular to a novel absorption article.

Background

The composition structure of the prior sanitary absorbent article is roughly divided into a liquid-permeable surface layer, an absorption layer, a bottom layer and the like, and other structures and the like are added according to specific requirements.

With the development of the age, the requirements of consumers on sanitary absorbent articles are continuously increased, however, the conventional absorbent articles still have one or more problems of low absorption speed, poor dryness, poor side leakage prevention performance and the like. Therefore, various large sanitary absorbent article companies nationwide have made improvements in sanitary absorbent articles through various studies.

In view of the above shortcomings, it would be highly desirable to provide a new absorbent article.

Disclosure of Invention

In order to solve one or more technical problems of the existing absorbent articles, the utility model provides a novel absorbent article. The novel absorbent article has the advantages of high absorption speed, very good dryness and the like.

The utility model provides a novel absorption article which sequentially comprises a surface layer, a convex absorption core, a first absorption layer, a second absorption layer and a bottom layer from top to bottom; the first absorption layer is a polyurethane foam cotton layer with bulges at the left side and the right side and notches at the middle position, the bulge absorption core is accommodated in the notches, and the top of the bulge absorption core is higher than the upper surface of the polyurethane foam cotton layer; the polyurethane foam cotton layer is internally provided with a plurality of through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer, the through holes at the middle position are large in pore diameter and dense in distribution, and the through holes at the left side and the right side are small in pore diameter and sparse in distribution; the second absorption layer is a wet-process super absorbent resin absorbent paper layer.

Preferably, the pore diameter distribution range of the through holes is 0.5-5 mm.

Preferably, the aperture of the through hole at the middle position is 2-3 mm, and the interval distance between two adjacent through holes is 0.5-1.5 mm; the aperture of the through holes on the left side and the right side is 0.5-1.5 mm, and the interval distance between two adjacent through holes is 2-3 mm.

Preferably, the raised absorbent core is columnar and is fluff pulp absorbent core; the diameter of the convex absorption core is 0.5-2.5 cm, and the height is 0.15-0.8 mm.

Preferably, the depth of the notch is 20% -50% of the thickness of the polyurethane foam cotton layer.

Preferably, the novel absorbent article further comprises a wrapping layer wrapping the first absorbent layer and the second absorbent layer, a gap is formed on the upper surface of the wrapping layer, the gap is located right above the notch, the width of the gap is larger than that of the notch, and two sides of the gap are upwards in a pleated structure.

Preferably, the pleated structure is formed by folding up two ends of the upper surface of the wrapping layer 3-6 times.

Preferably, the novel absorbent article further comprises a moisture barrier layer disposed between the first absorbent layer and the second absorbent layer.

Preferably, the surface layer is a hot air nonwoven fabric, a spun-bonded nonwoven fabric or a pure cotton nonwoven fabric.

Preferably, the bottom layer is a breathable PE bottom film layer.

The utility model has at least the following beneficial effects:

(1) The novel absorption article is provided with the cylindrical convex absorption core, can absorb and drain liquid at first time and rapidly drain the liquid to the first absorption layer of the lower layer; the novel absorbent article has the advantages that the first absorbent layer is made of polyurethane foam cotton and is provided with through holes from top to bottom, the arrangement is that the middle is dense, the two sides are thin, the aperture is large in the middle, and the two sides are small; the polyurethane foam cotton layer is of a convex structure on two sides of the middle notch, the convex absorption cores are accommodated in the notches, liquid is directly drained and concentrated to the central part (middle position) through the convex absorption cores, the through holes at the notches at the middle position are large in pore diameter and dense in distribution, the liquid can be quickly absorbed, the liquid can be prevented from being laterally diffused to a certain extent, a good moisture-isolation effect is achieved, the dryness of the absorbing product is guaranteed, and the second absorption layer is made of high-water-absorption resin absorbent paper by a wet method, can fully absorb the liquid, and can also guarantee the dryness of the absorbing product.

(2) In some preferred technical schemes of the utility model, the utility model also comprises a wrapping layer, the upper surface of the wrapping layer is provided with a gap, the gap is formed to facilitate the absorbent article to have the advantages of high infiltration speed, good liquid absorption capacity and the like, and the two ends of the gap are upwards provided with a pleated structure, so that the wearing comfort is improved, the lateral diffusion of absorbed liquid can be effectively prevented, the lateral leakage of the absorbent article is effectively prevented, the absorbent article does not need to be provided with a three-dimensional guard, the absorbent article also has good lateral leakage prevention effect, discomfort caused by the liquid being stained on the three-dimensional guard can be avoided, the pleated structure is positioned on the two sides of the raised absorbent core, and the pleated structure, the cylindrical raised absorbent core and the notch of the polyurethane foam cotton layer are mutually matched, so that the effect of preventing the lateral diffusion of the absorbed liquid is better.

(3) The novel absorbent article has the advantages of high absorption speed, dryness, high absorptivity, good wearing comfort and the like.

Drawings

The drawings of the present utility model are provided for illustrative purposes only and the proportion and the size of the parts in the drawings do not necessarily coincide with the actual products.

FIG. 1 is a schematic structural view of a novel absorbent article in some embodiments of the present utility model.

FIG. 2 is a schematic structural view of a novel absorbent article in further embodiments of the present utility model.

FIG. 3 is a schematic structural view of a novel absorbent article in further embodiments of the present utility model.

In the figure: 1: a surface layer; 2: a raised absorbent core; 3: a first absorbent layer; 31: a notch; 32: a through hole; 4: a second absorbent layer; 5: a bottom layer; 6: a wrapping layer; 61: a pleated structure; 7: a moisture barrier layer; 71: a non-woven fabric layer is arranged on the upper surface; 72: a lower non-woven fabric layer; 73: a hollow tube.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a novel absorbent article, for example, as shown in fig. 1-3, fig. 1 being a schematic structural view of the novel absorbent article in some embodiments of the present utility model;

FIG. 2 is a schematic structural view of a novel absorbent article in further embodiments of the present utility model; FIG. 3 is a schematic structural view of a novel absorbent article in further embodiments of the present utility model.

The present utility model provides a novel absorbent article, for example, as shown in fig. 1, comprising, from top to bottom, in order, a top sheet 1 (also denoted as a liquid-permeable top sheet), a raised absorbent core 2, a first absorbent layer 3, a second absorbent layer 4, and a bottom sheet 5 (also denoted as a breathable bottom sheet); in the present utility model, the raised absorbent core is located at a central position (intermediate position) of the novel absorbent article; the first absorbent layer 3 is a polyurethane foam cotton layer with a notch 31 at the middle position of the bulge on the left and right sides, the bulge absorbent core 2 is accommodated in the notch 31, the top of the bulge absorbent core 2 is higher than the upper surface of the polyurethane foam cotton layer, and the bulge absorbent core 2 enables the middle position of the upper surface of the surface layer 1 to bulge, namely the middle position of the surface layer 1 is higher than the two side positions; the polyurethane foam cotton layer is internally provided with a plurality of through holes 32 penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer, the through holes 32 positioned in the middle position are large in pore diameter and dense in distribution, and the through holes 32 positioned on the left side and the right side are small in pore diameter and sparse in distribution; in the present utility model, the left and right sides refer to both sides in the width direction, and the intermediate position refers to the intermediate position in the width direction; in the present utility model, "large" and "small" are relative terms, as are "dense" and "sparse"; in the present utility model, the polyurethane foam cotton layer is made of polyurethane foam cotton of a known material, and the through holes 32 are vertically and vertically arranged in the polyurethane foam cotton layer; in the present utility model, "plurality" means two or more; the shape, the number and the size of the through holes are not particularly limited, and can be set by a person skilled in the art according to the requirements; the through holes can be, for example, round through holes, square through holes or oval through holes, and are preferably round through holes, and the pore diameter distribution range of the through holes is preferably 0.5-5 mm; the second absorption layer 4 is a wet super absorbent resin water absorption paper layer, and the wet super absorbent resin water absorption paper layer in the utility model can be formed by adopting 1-5 layers of wet super absorbent resin water absorption paper; the novel absorbent article of the present utility model may be, for example, a diaper, a pull-up diaper, a sanitary napkin, a pant-type sanitary napkin, or an incontinence napkin, and is preferably a sanitary napkin.

The novel absorption article is provided with the cylindrical bulge absorption cores, so that the middle position of the surface layer is higher than the two side positions and is attached to the central liquid outlet position, liquid can be absorbed and drained at the first time, and the liquid can be quickly drained to the first absorption layer of the lower layer; the novel absorbent article has the advantages that the first absorbent layer is made of polyurethane foam cotton and is provided with through holes from top to bottom, the arrangement is that the middle is dense, the two sides are thin, the aperture is large in the middle, and the two sides are small; the polyurethane foam cotton layer is of a convex structure on two sides of the middle notch, the convex absorption cores are accommodated in the notches, liquid is directly drained and concentrated to the central part (middle position) through the convex absorption cores, the through holes at the notches at the middle position are large in pore diameter and dense in distribution, the liquid can be quickly absorbed, the liquid can be prevented from being laterally diffused to a certain extent, a good moisture-isolation effect is achieved, the dryness of the absorbing product is guaranteed, and the second absorption layer is made of high-water-absorption resin absorbent paper by a wet method, can fully absorb the liquid, and can also guarantee the dryness of the absorbing product.

According to some preferred embodiments, the pore size distribution of the through holes 32 is in the range of 0.5-5 mm.

According to some preferred embodiments, the aperture of the through hole 32 at the middle position is 2-3 mm, and the interval distance between two adjacent through holes 32 is 0.5-1.5 mm; the aperture of the through holes 32 on the left and right sides is 0.5-1.5 mm, and the interval distance between two adjacent through holes 32 is 2-3 mm.

According to some preferred embodiments, the raised absorbent core 2 is columnar (cylindrical) and is a fluff pulp absorbent core; in the present utility model, when the raised absorbent core 2 is a fluff pulp absorbent core made of fluff pulp, the raised absorbent core 2 is also referred to as a raised cotton core; the diameter of the convex absorption core 2 is 0.5-2.5 cm, and the height is 0.15-0.8 mm.

According to some preferred embodiments, the depth of the recess 31 is 20% to 50% of the thickness of the polyurethane foam layer.

According to some preferred embodiments, for example, as shown in fig. 2, the novel absorbent article further comprises a wrapping layer 6 wrapping the first absorbent layer 3 and the second absorbent layer 4, wherein a gap is formed on the upper surface of the wrapping layer 6, the gap is located directly above the notch 31, the width of the gap is larger than the width of the notch 31, and two sides of the gap are provided with a pleated structure 61 upwards; in the present utility model, when the novel absorbent article further comprises the wrapping layer 6, the raised absorbent core 2 is accommodated in the recess 31 through the gap, and the width of the pleated structure 61 on both sides of the gap may be, for example, 0.1 to 0.3 times the width of the first absorbent layer 3. In the present utility model, the pleated structure 61 is formed, for example, by folding the two ends of the upper surface of the wrapping layer 6 upward a plurality of times, and the number of times of folding upward may be 3 to 6, for example; in the present utility model, the width of the gap is, for example, 0.2 to 0.4 times the width of the first absorbent layer 3; in some embodiments, the wrapping layer 6 is a wet-made super absorbent resin absorbent paper, dust free paper, spun bonded nonwoven fabric, or wet strength paper.

In the utility model, the upper surface of the wrapping layer is provided with a gap, the gap is formed to facilitate the absorbent article to have the advantages of high infiltration speed, good liquid absorption capacity and the like, but more importantly, the two ends of the gap in the utility model are provided with the pleated structure upwards, so that the wearing comfort is improved, the lateral diffusion of absorbed liquid can be effectively prevented, the lateral leakage of the absorbent article is effectively prevented, the absorbent article does not need to be provided with a three-dimensional guard, the absorbent article also has a good lateral leakage prevention effect, uncomfortable feeling caused by the liquid being stained on the three-dimensional guard can be avoided, the pleated structure is positioned on two sides of the raised absorbent core, and the pleated structure, the cylindrical raised absorbent core and the notch of the polyurethane foam cotton layer are mutually matched, so that the effect of preventing the lateral diffusion of the absorbed liquid is better.

According to some preferred embodiments, the pleated structure 61 is formed by folding up two ends of the upper surface of the wrapping 6 3-6 times.

According to some preferred embodiments, the new absorbent article further comprises a moisture barrier layer 7 arranged between the first absorbent layer 3 and the second absorbent layer 4, for example, as shown in fig. 3, the moisture barrier layer 7 comprises an upper nonwoven fabric layer 71, a lower nonwoven fabric layer 72 and a plurality of hollow tubes 73 arranged vertically (vertically) between the upper nonwoven fabric layer 71 and the lower nonwoven fabric layer 72; in the present utility model, the upper nonwoven fabric layer is closer to the first absorbent layer than the lower nonwoven fabric layer; in the present utility model, "a plurality of" means two or more, and a plurality of the hollow tubes 73 may be uniformly distributed between the upper nonwoven fabric layer 71 and the lower nonwoven fabric layer 72, for example, the hollow tubes 73 may have a hollow tubular structure; in the present utility model, the hollow tube 73 is a flexible hollow tube, and may be made of a flexible material, specifically, may be made of flexible polypropylene or polypropylene fiber cloth, and the flexible polypropylene or polypropylene fiber cloth is made of a known material, so that the hollow tube is soft and comfortable, and the upper non-woven fabric layer 71 and the lower non-woven fabric layer 72 are made of a known material, and the type of non-woven fabric is not particularly limited, and may be a conventional type; in the present utility model, both ends of the nozzle of the hollow tube 73 are bonded to the upper and lower

non-woven fabric layers

71 and 72, respectively; in the present utility model, when the novel absorbent article further comprises a moisture barrier layer 7 and a wrapping layer 6, the wrapping layer 6 wraps the first absorbent layer 3, the moisture barrier layer 7 and the second absorbent layer 4, a gap is formed on the upper surface of the wrapping layer 6, the gap is located right above the notch 31, the width of the gap is greater than the width of the notch 31, and two sides of the gap are upwards provided with a pleated structure 61.

The novel absorbent article is preferably provided with the moisture-isolation layer, wherein the moisture-isolation layer comprises an upper non-woven fabric layer, a lower non-woven fabric layer and a hollow pipe vertically arranged between the upper non-woven fabric layer and the lower non-woven fabric layer, so that liquid can be quickly conducted to the lower layer for absorption, and reverse osmosis of the liquid can be effectively prevented; compared with the conventional structure that the non-woven fabric layer is provided with the diversion holes, the moisture-isolation layer with the hollow tube is soft and has the advantages that the diversion effect is continuous, the liquid can be quickly conducted to the second absorption layer for absorption, and the absorption speed is improved; more importantly, although the existing product also has certain capability of reducing reverse osmosis, the existing absorbent product is in a tightly-adhered layer-by-layer structure, so that the problem that liquid easily seeps out of the surface layer to influence dryness of the absorbent product when the existing absorbent product is pressed or particularly used for people with relatively large menstrual blood is solved, the hollow Guan Weixing has better capability, can provide a certain absorption space and a storage space, can effectively store liquid, can effectively prevent reverse osmosis of the liquid, and has more obvious reverse osmosis reducing effect.

According to some preferred embodiments, the hollow tube 73 is a hollow tube formed of polypropylene fiber cloth.

The utility model does not limit the number, shape, pipe diameter size and distance between the upper end and the lower end of the hollow pipe; preferably, the hollow tube 73 is a circular tube.

According to some preferred embodiments, the distance between the upper and lower ends of the hollow tube 73 is 1 to 3 times the sum of the thicknesses of the upper and lower

non-woven fabric layers

71 and 72; specifically, for example, the upper nonwoven fabric layer 71 and the lower nonwoven fabric layer 72 have the same thickness, and the distance between the upper and lower ends of the hollow tube 73 is 1 to 3 times the sum of the thicknesses of the upper nonwoven fabric layer 71 and the lower nonwoven fabric layer 72.

According to some preferred embodiments, the hollow tubes 73 have a tube diameter of 0.2 to 5mm, preferably 0.5 to 3mm, and the spacing distance between two adjacent hollow tubes 73 is, for example, 0.2 to 5mm, preferably 1 to 4mm.

According to some preferred embodiments, the surface layer 1 is a hot air nonwoven fabric, a spun-bonded nonwoven fabric, a pure cotton nonwoven fabric, or a bamboo fiber or other nonwoven fabric, and preferably, the surface layer 1 is a fine denier hot air nonwoven fabric (soft fine denier hot air nonwoven fabric), and the fiber denier used is 0.5-1.5 denier.

According to some preferred embodiments, the bottom layer 5 is a breathable PE bottom film layer (also denoted PE breathable bottom film layer).

It is specifically noted that in the present utility model, the layers included in the novel absorbent article may be bonded together in sequence, for example, by means of a glue-sprayed bond, that is, by means of a hot melt adhesive, and the peeled-off state between the layers shown in fig. 1, 2 and 3 is merely for clarity of illustration of the structure of the layers; in the utility model, the wet-process super absorbent resin absorbent paper is formed by uniformly distributing super absorbent resin between two raw paper layers through the existing wet papermaking process; in the present utility model, the wet papermaking process may be, for example, a wet papermaking process disclosed in chinese patent application CN 201710966882.0; the gram weight of the wet-process super absorbent resin absorbent paper can be 30-300 g/m ² Preferably 70 to 150g/m ² 。

The utility model is further illustrated below with reference to examples. These examples are merely illustrative of preferred embodiments of the present utility model and the scope of the present utility model should not be construed as being limited to these examples only.

Example 1

A novel absorbent article comprises a surface layer, a raised absorbent core, a first absorbent layer, a second absorbent layer and a bottom layer from top to bottom; the surface layer is a hot air non-woven fabric, and the bottom layer is a breathable PE bottom film layer; the raised absorbent core is a cylindrical fluff pulp raised absorbent core, the diameter of the raised absorbent core is 2cm, the height of the raised absorbent core is 0.5mm, the first absorbent layer is a polyurethane foam cotton layer with a raised middle position being a notch on the left side and the right side, the raised absorbent core is accommodated in the notch, the top of the raised absorbent core is higher than the upper surface of the polyurethane foam cotton layer, the middle position of the surface layer is higher than the two side positions, and the depth of the notch is 40% of the thickness of the polyurethane foam cotton layer; the polyurethane foam cotton layer is internally provided with a plurality of through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer, the through holes at the middle position are large in pore diameter and dense in distribution, and the through holes at the left side and the right side are small in pore diameter and sparse in distribution; the aperture of the through hole at the middle position is 3mm, and the interval distance between two adjacent through holes is 1mm; the aperture of the through holes on the left side and the right side is 1mm, and the interval distance between two adjacent through holes is 2mm; the second absorption layer is a wet-process super absorbent resin absorbent paper layer.

Example 2

Example 2 is substantially the same as example 1 except that: the concave opening of the polyurethane foam cotton layer is not provided with the convex absorption core, and other parts are the same; namely, the novel absorbent article in the embodiment comprises a surface layer, a first absorbent layer, a second absorbent layer and a bottom layer from top to bottom; the surface layer is a hot air non-woven fabric, and the bottom layer is a breathable PE bottom film layer; the first absorption layer is a polyurethane foam cotton layer with bulges at the left side and the right side and notches at the middle position, and the depth of the notches is 40% of the thickness of the polyurethane foam cotton layer; the polyurethane foam cotton layer is internally provided with a plurality of through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer, the through holes at the middle position are large in pore diameter and dense in distribution, and the through holes at the left side and the right side are small in pore diameter and sparse in distribution; the aperture of the through hole at the middle position is 3mm, and the interval distance between two adjacent through holes is 1mm; the aperture of the through holes on the left side and the right side is 1mm, and the interval distance between two adjacent through holes is 2mm; the second absorption layer is a wet-process super absorbent resin absorbent paper layer.

Example 3

Example 3 is substantially the same as example 1 except that: the absorbent core and the first absorbent layer are not protruded, and the second absorbent layer is replaced by the absorbent layer; namely, the absorbent article in the embodiment comprises a surface layer, an absorption layer and a bottom layer from top to bottom; the surface layer is hot air non-woven fabric, the bottom layer is a breathable PE (polyethylene) bottom film layer, and the absorption layer is a mixed layer structure formed by super absorbent resin and fluff pulp.

Example 4

Example 4 is substantially the same as example 1 except that:

the novel absorbent article further comprises a wrapping layer wrapping the first absorbent layer and the second absorbent layer, the wrapping layer is made of a piece of wet-process super absorbent resin absorbent paper, a gap is formed in the upper surface of the wrapping layer, the gap is located right above the notch, the width of the gap is larger than that of the notch, the protruding absorbent cores penetrate through the gap to be accommodated in the notch, and two sides of the gap are upwards in a pleated structure.

Example 5

Example 5 is substantially the same as example 1 except that:

the novel absorbent article further comprises a moisture barrier layer disposed between the first absorbent layer and the second absorbent layer; the moisture-proof layer comprises an upper non-woven fabric layer, a lower non-woven fabric layer and a plurality of hollow tubes vertically and uniformly arranged between the upper non-woven fabric layer and the lower non-woven fabric layer, wherein the pipe diameter of each hollow tube is 2mm, and the interval distance between every two adjacent hollow tubes is 2mm; the novel absorbent article further comprises a wrapping layer wrapping the first absorbent layer, the moisture barrier layer and the second absorbent layer, the wrapping layer is made of a piece of wet-process super absorbent resin absorbent paper, a gap is formed in the upper surface of the wrapping layer, the gap is located right above the notch, the width of the gap is larger than that of the notch, the protruding absorbent cores penetrate through the gap to be accommodated in the notch, and two sides of the gap are upwards in a pleated structure.

Example 6

Example 6 is substantially the same as example 5 except that: the moisture-proof layer is different from that in embodiment 5, in this embodiment, the moisture-proof layer includes two-layer non-woven fabrics, evenly is provided with a plurality of diversion holes that run through in the moisture-proof layer, the aperture of diversion hole is 2mm, and two adjacent interval distance between the diversion hole is 2mm.

The absorbent articles of examples 1 to 6 were tested for their absorption properties, dryness and lateral diffusion properties, and the results are shown in Table 1.

The testing method comprises the following steps: taking animal blood for 2 times, each time of 5mL, and recording the time of finishing each time of absorption as the absorption speed in s at intervals of 10 minutes for 2 times; after 5mL of animal blood is absorbed by the absorbing article for 5min, 10g of filter paper is pressed by a weight of 1.2kg and placed on the absorbing article for 1min, and the gram weight added by the filter paper is measured as reverse osmosis result in g.

TABLE 1

As is clear from the data in Table 1, the animals of examples 1 and 4 to 6 have a fast blood absorption rate and excellent dryness, and the reverse osmosis amount of example 5 is significantly smaller than that of the other examples, with the best dryness.

The utility model is not described in detail in the area of the technical field, which is skilled in the art, can be designed according to the need.

It is specifically noted that, in the present utility model, the azimuth or positional relationship indicated by the terms "upper", "lower", "left", "right", etc., are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the components referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model; the specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A novel absorbent article, characterized in that:

the novel absorbent article comprises a surface layer, a raised absorbent core, a first absorbent layer, a second absorbent layer and a bottom layer from top to bottom in sequence;

the first absorption layer is a polyurethane foam cotton layer with bulges at the left side and the right side and notches at the middle position, the bulge absorption core is accommodated in the notches, and the top of the bulge absorption core is higher than the upper surface of the polyurethane foam cotton layer;

the polyurethane foam cotton layer is internally provided with a plurality of through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer, the through holes at the middle position are large in pore diameter and dense in distribution, and the through holes at the left side and the right side are small in pore diameter and sparse in distribution;

the second absorption layer is a wet-process super absorbent resin absorbent paper layer.

2. The novel absorbent article of claim 1, wherein:

the pore diameter distribution range of the through holes is 0.5-5 mm.

3. The novel absorbent article of claim 1, wherein:

the aperture of the through hole at the middle position is 2-3 mm, and the interval distance between two adjacent through holes is 0.5-1.5 mm;

the aperture of the through holes on the left side and the right side is 0.5-1.5 mm, and the interval distance between two adjacent through holes is 2-3 mm.

4. The novel absorbent article of claim 1, wherein:

the convex absorption core is columnar and is fluff pulp absorption core;

the diameter of the convex absorption core is 0.5-2.5 cm, and the height is 0.15-0.8 mm.

5. The novel absorbent article of claim 1, wherein:

the depth of the notch is 20% -50% of the thickness of the polyurethane foam cotton layer.

6. The novel absorbent article according to any one of claims 1 to 5, characterized in that:

the novel absorbent article further comprises a wrapping layer wrapping the first absorbent layer and the second absorbent layer, a gap is formed in the upper surface of the wrapping layer, the gap is located right above the notch, the width of the gap is larger than that of the notch, and two sides of the gap are upwards in a pleated structure.

7. The novel absorbent article of claim 6, wherein:

and the pleated structure is formed by upward folding the two ends of the upper surface of the wrapping layer for 3-6 times.

8. The novel absorbent article according to any one of claims 1 to 5, characterized in that:

the novel absorbent article further comprises a moisture barrier layer disposed between the first absorbent layer and the second absorbent layer.

9. The novel absorbent article according to any one of claims 1 to 5, characterized in that:

the surface layer is hot air non-woven fabric, spun-bonded non-woven fabric or pure cotton non-woven fabric.

10. The novel absorbent article according to any one of claims 1 to 5, characterized in that:

the bottom layer is a breathable PE bottom film layer.