CN218979472U - Absorbing article - Google Patents
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- CN218979472U CN218979472U CN202223447726.9U CN202223447726U CN218979472U CN 218979472 U CN218979472 U CN 218979472U CN 202223447726 U CN202223447726 U CN 202223447726U CN 218979472 U CN218979472 U CN 218979472U
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Abstract
The utility model provides an absorbent article which sequentially comprises a surface layer, an upper absorption layer, a lower absorption layer and a bottom layer from top to bottom; the upper absorption layer is a polyurethane foam cotton layer, and a plurality of vertical through holes and inclined through holes penetrating through the polyurethane foam cotton layer are formed in the polyurethane foam cotton layer; the vertical through holes are positioned at the middle position of the polyurethane foam cotton layer in the width direction, and the inclined through holes are positioned at the two sides of the polyurethane foam cotton layer in the width direction; the included angle between the inclined through holes and the lower surface of the polyurethane foam cotton layer is alpha, and the alpha is more than 25 degrees and less than or equal to 60 degrees. The absorbent article of the utility model has the advantages of high absorption speed, good dryness, high absorptivity, strong concentrated absorptivity and the like.
Description
Technical Field
The utility model relates to the technical field of physiological sanitary articles, in particular to an absorbing 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 improved, however, the existing absorbent articles still have the problems that the absorption speed is low, the liquid cannot be absorbed in a concentrated way or the dry performance is to be improved. 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 an absorbent article.
Disclosure of Invention
In order to solve one or more technical problems of the conventional absorbent articles, the present utility model provides an absorbent article. The absorbent article of the utility model has the advantages of high absorption speed, good dryness, high absorptivity, strong concentrated absorptivity and the like.
The utility model provides an absorbent article which sequentially comprises a surface layer, an upper absorption layer, a lower absorption layer and a bottom layer from top to bottom; the upper absorption layer is a polyurethane foam cotton layer, and a plurality of vertical through holes and inclined through holes penetrating through the polyurethane foam cotton layer are formed in the polyurethane foam cotton layer; the vertical through holes are positioned at the middle position of the polyurethane foam cotton layer in the width direction, and the inclined through holes are positioned at the two sides of the polyurethane foam cotton layer in the width direction; the included angle between the inclined through holes and the lower surface of the polyurethane foam cotton layer is alpha, and the alpha is more than 25 degrees and less than or equal to 60 degrees.
Preferably, the width of the upper absorbent layer is not smaller than the width of the lower absorbent layer, and the length of the upper absorbent layer is not smaller than the length of the lower absorbent layer.
Preferably, the lower absorbent layer includes a wet-process super absorbent resin water absorbent paper layer and a super absorbent resin layer wrapped in the wet-process super absorbent resin water absorbent paper layer.
Preferably, the apertures of the vertical through holes and/or the inclined through holes are 1-2 mm.
Preferably, the spacing distance between every two adjacent vertical through holes and/or the spacing distance between every two adjacent inclined through holes is 1-2 mm.
Preferably, the absorbent article further comprises a leakage prevention member disposed between the top sheet and the upper absorbent layer; the two leakage-proof parts are symmetrically arranged left and right; the leakage-proof component is formed by sandwiching a polyurethane foam cotton layer by wet-process super absorbent resin absorbent paper, wherein the sandwiching angle is beta, beta is more than 0 degrees and less than or equal to 45 degrees, and a plurality of liquid through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer are arranged in the polyurethane foam cotton layer.
Preferably, 15 DEG < beta < 45 deg.
Preferably, the polyurethane foam cotton layer in the leakage-proof component is of a three-dimensional right trapezoid structure, and the included angle between the inclined plane and the bottom surface of the three-dimensional right trapezoid structure is the same as the clamping angle beta.
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 upper absorption layer of the absorbent article adopts polyurethane foam cotton and is provided with special through holes, namely vertical through holes and inclined through holes penetrating through the polyurethane foam cotton layer, and the vertical through holes and the inclined through holes can concentrate liquid to the central part (middle position), can quickly absorb the liquid, can concentrate the liquid to absorb the liquid, and can quickly transfer the liquid to the lower absorption layer.
(2) In some preferred embodiments of the present utility model, the lower absorbent layer includes a wet-process super absorbent resin absorbent paper layer and a super absorbent resin layer wrapped in the wet-process super absorbent resin absorbent paper layer, and is matched with the upper absorbent layer (polyurethane foam cotton layer), so that the liquid can be absorbed intensively, the liquid can not spread at the upper absorbent layer, side leakage can be effectively avoided, the absorption capacity can be improved, and the dryness and the absorbability of the absorbent article can be ensured.
(3) In some preferred embodiments of the utility model, the leakage prevention component is arranged, the leakage prevention component is a structure of a polyurethane foam cotton layer sandwiched by water absorbent paper of high absorbent resin of a wet method which is bilaterally symmetrical, and a plurality of liquid through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer are arranged in the polyurethane foam cotton layer, so that the leakage prevention component has strong liquid absorption capacity, is favorable for liquid infiltration, is non-porous on the side surface of the polyurethane foam cotton leakage prevention layer, can play a role in blocking flow, effectively prevents the lateral diffusion of absorbed liquid, has a clamping angle of beta, and is smaller than or equal to 45 degrees, and the leakage prevention component is always in a smooth inclined plane near the middle position when absorbing liquid and expanding, which is favorable for the liquid to be absorbed in the central part of the absorbent article to a certain extent, and can quickly conduct the liquid to the absorbent layer; compared with the leakage-proof component formed by adopting relatively fixed multi-layer super absorbent resin absorbent paper with gradually increased width from top to bottom in the prior art, the leakage-proof component has stronger overall liquid absorption expansion capacity, can effectively prevent the lateral diffusion of absorbed liquid, ensures that the lateral diffusion of an absorbing article is smaller, can effectively block the liquid from diffusing to two sides, effectively avoids side leakage, and improves the side leakage prevention effect; the anti-leakage component can conveniently adjust the clamping angle of the anti-leakage component according to the arrangement position and the thickness of the polyurethane foam cotton layer, the bilateral symmetry angle is more than 0 degrees and less than or equal to 45 degrees, the transverse diffusion area is small, and the side leakage can be effectively prevented.
(4) The absorbent article of the utility model has the advantages of high absorption speed, good dryness, high absorptivity, strong concentrated absorptivity 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 view of the structure of an absorbent article in some embodiments of the present utility model.
FIG. 2 is a schematic structural view of an absorbent article according to further embodiments of the present utility model.
In the figure: 1: a surface layer; 2: an upper absorbent layer; 21: a vertical through hole; 22: a sloped through hole; 3: a lower absorption layer; 4: a bottom layer; 5: a leakage preventing member; 51: wet making high water absorption resin water absorption paper; 52: a polyurethane foam cotton layer; 521: and a liquid through hole.
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 an absorbent article, for example, as shown in fig. 1 and 2, fig. 1 is a schematic structural view of an absorbent article according to some embodiments of the present utility model; FIG. 2 is a schematic structural view of an absorbent article according to further embodiments of the present utility model.
The present utility model provides an absorbent article, for example, as shown in fig. 1, comprising a top sheet 1 (also denoted as a liquid-permeable top sheet), an upper absorbent layer 2, a lower absorbent layer 3, and a bottom sheet 4 (also denoted as a breathable bottom sheet) in this order from top to bottom; the upper absorbing layer 2 is a polyurethane foam cotton layer, and a plurality of vertical through holes 21 and inclined through holes 22 penetrating through the polyurethane foam cotton layer are arranged in the polyurethane foam cotton layer; in the present utility model, the vertical through holes 21 and the inclined through holes 22 penetrate the upper and lower surfaces of the polyurethane foam layer; the polyurethane foam cotton layer is made of polyurethane foam cotton made of the prior known material; in the present utility model, the vertical through holes 21 are vertically provided in the polyurethane foam layer; in the present utility model, "plurality" means two or more; the vertical through holes 21 are located at the middle position of the polyurethane foam cotton layer in the width direction, preferably the vertical through holes 21 are uniformly distributed at the middle position of the polyurethane foam cotton layer in the width direction, the inclined through holes 22 are located at two sides of the polyurethane foam cotton layer in the width direction, preferably the inclined through holes 22 are uniformly distributed at two sides of the polyurethane foam cotton layer in the width direction; in the present utility model, it is preferable that the width of the middle position where the vertical through holes 21 are provided is 0.1 to 0.2 times the width of the polyurethane foam cotton layer (upper absorbent layer 2), the included angle between the inclined through holes 22 and the lower surface of the polyurethane foam cotton layer is α, and 25 ° < α is less than or equal to 60 °; the absorbent article of the present utility model may be, for example, a diaper, a pull-up diaper, a sanitary napkin, a panty-type sanitary napkin, or an incontinence napkin, and is preferably a sanitary napkin.
The upper absorption layer of the absorbent article adopts polyurethane foam cotton and is provided with special through holes, namely vertical through holes and inclined through holes penetrating through the polyurethane foam cotton layer, and the vertical through holes and the inclined through holes can concentrate liquid to the central part (middle position), can quickly absorb the liquid, can concentrate the liquid to absorb the liquid, and can quickly transfer the liquid to the lower absorption layer.
According to some preferred embodiments, the width of the upper absorbent layer 2 is not smaller than the width of the lower absorbent layer 3, and the length of the upper absorbent layer 2 is not smaller than the length of the lower absorbent layer 3.
According to some preferred embodiments, the upper absorbent layer 2 and/or the lower absorbent layer 3 is 5-8 cm and the second absorbent layer is 25-28 cm long.
According to some preferred embodiments, the lower absorbent layer 3 comprises a wet-process super absorbent resin water-absorbent paper layer and a super absorbent resin layer wrapped in the wet-process super absorbent resin water-absorbent paper layer, i.e. the lower absorbent layer 3 is a strip core of the wet-process super absorbent resin water-absorbent paper layer wrapped with the super absorbent resin layer; the wet-process super absorbent resin absorbent paper layer is formed by adopting the existing known material wet-process super absorbent resin absorbent paper, the number of layers of the wet-process super absorbent resin absorbent paper used for the wet-process super absorbent resin absorbent paper layer is not particularly limited, and a person skilled in the art can set the wet-process super absorbent resin absorbent paper layer according to the needs, for example, the number of layers can be 1-5; the lower absorbing layer 3 preferably comprises a wet super absorbent resin water absorbing paper layer and a super absorbent resin layer wrapped in the wet super absorbent resin water absorbing paper layer, and is matched with the upper absorbing layer (polyurethane foam cotton layer) to intensively absorb liquid, so that the liquid is not diffused at the upper absorbing layer, side leakage is effectively avoided, the absorption capacity is improved, and the dryness and the absorbability of the absorbing article are ensured.
According to some preferred embodiments, the apertures of the vertical through holes 21 and/or the inclined through holes 22 are each 1-2 mm.
According to some preferred embodiments, the spacing distance between each adjacent two of the vertical through holes 21 and/or the spacing distance between each adjacent two of the inclined through holes 22 is 1 to 2mm.
According to some preferred embodiments, for example as shown in fig. 2, the absorbent article further comprises a leakage prevention means 5 arranged between the top sheet 1 and the upper absorbent layer 2; two leakage-proof parts 5 are symmetrically arranged left and right; in the present utility model, the leakage preventing members 5 are symmetrically arranged in the width direction of the absorbent article; the leakage preventing component 5 is formed by sandwiching a polyurethane foam cotton layer 52 between wet-process super absorbent resin absorbent paper 51, and the sandwiching angle is beta, and is more than 0 DEG and less than or equal to 45 DEG, in other words, the leakage preventing component 5 comprises wet-process super absorbent resin absorbent paper 51 and polyurethane foam cotton layer 52 sandwiched in wet-process super absorbent resin absorbent paper 51, and the sandwiching angle is beta, and more than 0 DEG and less than or equal to 45 DEG; in the present utility model, the wet-process super absorbent resin absorbent paper 51 has an open end when sandwiching the polyurethane foam cotton layer 52, the open end being away (away from) the middle position (center portion) in the widthwise direction of the absorbent article; a plurality of (two or more) liquid through holes 521 penetrating the upper and lower surfaces of the polyurethane foam cotton layer 52 are provided in the polyurethane foam cotton layer 52; specifically, for example, the leakage preventing member 5 is formed by sandwiching a polyurethane foam cotton layer 52 by a layer of wet-process super absorbent resin absorbent paper 51, and a plurality of liquid passing holes 521 penetrating the upper and lower surfaces of the polyurethane foam cotton layer 52 are provided in the polyurethane foam cotton layer 52, and in the present utility model, the liquid passing holes are vertically and vertically provided in the polyurethane foam cotton leakage preventing layer; in the present utility model, the polyurethane foam layer 52 is polyurethane foam using a known material; the shape, number and size of the liquid through holes 521 are not particularly limited, and can be set by those skilled in the art according to the needs; preferably, the plurality of liquid through holes 521 are uniformly distributed in the polyurethane foam layer 52, the aperture of the liquid through holes 521 may be, for example, 1 to 2mm, the distance between two adjacent liquid through holes 521 may be, for example, 1 to 2mm, and the liquid through holes 521 may be, for example, circular liquid through holes, square liquid through holes, or oval liquid through holes, and preferably, the liquid through holes are circular liquid through holes.
The utility model is preferably provided with the leakage-proof component, the leakage-proof component is a structure of a polyurethane foam cotton layer sandwiched by water-absorbing paper of high water-absorbing resin of a wet method which is bilaterally symmetrical, and a plurality of liquid through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer are arranged in the polyurethane foam cotton layer, so that the leakage-proof component has strong liquid absorption capacity, is favorable for liquid infiltration, and the side surface of the polyurethane foam cotton leakage-proof layer is nonporous, can play a role in blocking flow, effectively prevents the lateral diffusion of absorbed liquid, has an angle of beta being less than or equal to 45 degrees, and always presents a smooth inclined surface near the middle position when the leakage-proof component absorbs liquid to expand, which is favorable for the concentrated absorption of the liquid in the central part of the absorbent article to a certain extent, and can rapidly conduct the liquid to the absorbent layer; compared with the leakage-proof component formed by adopting relatively fixed multi-layer super absorbent resin absorbent paper with gradually increased width from top to bottom in the prior art, the leakage-proof component has stronger overall liquid absorption expansion capacity, can effectively prevent the lateral diffusion of absorbed liquid, ensures that the lateral diffusion of an absorbing article is smaller, can effectively block the liquid from diffusing to two sides, effectively avoids side leakage, and improves the side leakage prevention effect; the anti-leakage component can conveniently adjust the clamping angle of the anti-leakage component according to the arrangement position and the thickness of the polyurethane foam cotton layer, the bilateral symmetry angle is more than 0 degrees and less than or equal to 45 degrees, the transverse diffusion area is small, and the side leakage can be effectively prevented.
According to some preferred embodiments, 15 ° < β+.ltoreq.45°.
According to some preferred embodiments, the polyurethane foam layer 52 in the leakage preventing member 5 is a three-dimensional right trapezoid structure, and the included angle between the inclined plane and the bottom surface of the three-dimensional right trapezoid structure is the same as the sandwiched angle β; the included angle between the inclined plane and the bottom surface of the three-dimensional right trapezoid structure is the same as the clamping angle beta, the three-dimensional right trapezoid structure and the wet method are better in fit, stable in structure and not easy to deform, and as the whole polyurethane foam cotton layer is fully fitted with the wet method high water absorption resin water absorption paper, the blank area of the polyurethane foam cotton layer does not exist, the liquid absorption performance and the liquid absorption expansion capacity of the polyurethane foam cotton layer can be fully utilized, the liquid infiltration is facilitated, and the lateral diffusion of absorbed liquid is effectively prevented.
According to some preferred embodiments, the minimum gap distance between the two leakage preventing members 5 is 0.2 to 0.4 times the width of the upper absorbent layer 2, which is also advantageous in that the liquid is intensively absorbed in the central portion of the absorbent article; the left edge portion of one of the leakage preventing members 5 is flush with the left edge portion of the upper absorbent layer 2, and the right edge portion of the other leakage preventing member 5 is flush with the right edge portion of the upper absorbent layer 2.
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 4 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 absorbent article comprises layers that are bonded together in sequence, for example, by a glue-sprayed laminate, i.e., by a hot melt adhesive, and the peeled-off state between the layers shown in fig. 1 and 2 is merely for clarity of illustration of the structure of the layers; in the utility model, the wet-process super absorbent resin absorbent paper passes through the existing wet-process papermaking processThe super absorbent resin is uniformly distributed between two raw paper layers to form the wet method super absorbent resin absorbent paper; 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
An absorbent article comprises a surface layer, an upper absorption layer, a lower absorption layer and a bottom layer from top to bottom in sequence; the surface layer is a hot air non-woven fabric, and the bottom layer is a breathable PE bottom film layer; the width of the upper absorption layer is equal to the width of the lower absorption layer, and the length of the upper absorption layer is equal to the length of the lower absorption layer; the upper absorbing layer is a polyurethane foam cotton layer, and a plurality of vertical through holes and inclined through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer are formed in the polyurethane foam cotton layer; the vertical through holes are positioned at the middle position of the polyurethane foam cotton layer in the width direction (the width of the middle position provided with the vertical through holes is 0.1 time of the width of the polyurethane foam cotton layer), the inclined through holes are positioned at the two sides of the polyurethane foam cotton layer in the width direction, and an included angle between the inclined through holes and the lower surface of the polyurethane foam cotton layer is alpha, wherein alpha is 45 degrees; the apertures of the vertical through holes and the inclined through holes are 1mm, the spacing distance between two adjacent vertical through holes is 1mm, and the spacing distance between two adjacent inclined through holes is 1mm; the lower absorption layer comprises a wet super absorbent resin water absorption paper layer and a super absorbent resin layer wrapped in the wet super absorbent resin water absorption paper layer.
Example 2
Example 2 is substantially the same as example 1 except that: without the upper absorbent layer, the other components are identical.
Example 3
Example 3 is substantially the same as example 1 except that: the upper absorption layer and the lower absorption layer are not needed, and the absorption layer is adopted to replace the upper absorption layer and the lower absorption layer; namely, the absorbent article in the embodiment comprises a surface layer, an absorption layer and a bottom layer from top to bottom in sequence; 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 absorbent article further includes a leakage prevention member disposed between the top sheet and the upper absorbent layer; the two leakage-proof parts are symmetrically arranged left and right; the leakage-proof component is composed of a polyurethane foam cotton layer with a right trapezoid structure formed by sandwiching a layer of wet super absorbent resin absorbent paper, the sandwiching angle is 45 degrees, the included angle between the inclined plane and the bottom surface of the three-dimensional right trapezoid structure is 45 degrees, the wet super absorbent resin absorbent paper is provided with an open end when sandwiching the polyurethane foam cotton layer, and the open end is far away from the middle position of the absorbent article in the width direction; a plurality of liquid through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer are uniformly formed in the polyurethane foam cotton layer in the leakage-proof component, the aperture of each liquid through hole is 1mm, and the interval distance between the two liquid through holes is 1mm; the minimum gap distance between the two leakage preventing members is 0.3 times the width of the upper absorbent layer, one of the left side edge parts of the leakage preventing members is flush with the left side edge part of the upper absorbent layer, and the other of the right side edge parts of the leakage preventing members is flush with the right side edge part of the upper absorbent layer.
Example 5
Example 5 is substantially the same as example 1 except that:
the absorbent article further includes a leakage prevention member disposed between the top sheet and the upper absorbent layer; the two leakage-proof parts are symmetrically arranged left and right; the leakage prevention component is composed of three layers of wet-process high-absorbent resin absorbent paper with different widths, the width of the leakage prevention component is gradually increased from top to bottom, one leakage prevention component is arranged on the left side edge of the high-absorbent resin absorbent paper by the three layers of wet-process high-absorbent resin absorbent paper and is arranged on the left side edge of the upper collecting layer, the other leakage prevention component is arranged on the right side edge of the high-absorbent resin absorbent paper by the three layers of wet-process high-absorbent resin absorbent paper and is arranged on the right side edge of the upper absorbing layer, and the minimum gap distance between the leakage prevention components is 0.3 times of the width of the upper absorbing layer.
The absorbent articles (absorbent article width: 8 cm) of examples 1 to 5 were tested for their absorption performance, 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; the transverse diffusion length is 10mL of animal blood, and is recorded on the upper surface of the absorbent article after 1min, and the unit is cm.
TABLE 1
As can be seen from the data in table 1, the animal blood of examples 1 and 4 to 5 has a fast absorption rate, very good dryness, small lateral diffusion, and a lateral leakage preventing effect, and the lateral diffusion length of example 4 is significantly smaller than that of other examples; in the utility model, the smaller the transverse diffusion length is, the smaller the possibility of side leakage is, which shows that the side leakage prevention effect is better.
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 (10)
1. An absorbent article, characterized by:
the absorbent article comprises a surface layer, an upper absorption layer, a lower absorption layer and a bottom layer from top to bottom in sequence;
the upper absorption layer is a polyurethane foam cotton layer, and a plurality of vertical through holes and inclined through holes penetrating through the polyurethane foam cotton layer are formed in the polyurethane foam cotton layer;
the vertical through holes are positioned at the middle position of the polyurethane foam cotton layer in the width direction, and the inclined through holes are positioned at the two sides of the polyurethane foam cotton layer in the width direction;
the included angle between the inclined through holes and the lower surface of the polyurethane foam cotton layer is alpha, and the alpha is more than 25 degrees and less than or equal to 60 degrees.
2. The absorbent article of claim 1, wherein:
the width of the upper absorption layer is not smaller than that of the lower absorption layer, and the length of the upper absorption layer is not smaller than that of the lower absorption layer.
3. The absorbent article of claim 1, wherein:
the lower absorption layer comprises a wet super absorbent resin water absorption paper layer and a super absorbent resin layer wrapped in the wet super absorbent resin water absorption paper layer.
4. The absorbent article of claim 1, wherein:
the apertures of the vertical through holes and/or the inclined through holes are 1-2 mm.
5. The absorbent article of claim 1, wherein:
the interval distance between every two adjacent vertical through holes and/or the interval distance between every two adjacent inclined through holes is 1-2 mm.
6. The absorbent article of any one of claims 1 to 5, wherein:
the absorbent article further includes a leakage prevention member disposed between the top sheet and the upper absorbent layer;
the two leakage-proof parts are symmetrically arranged left and right;
the leakage-proof component is formed by sandwiching a polyurethane foam cotton layer by wet-process super absorbent resin absorbent paper, wherein the sandwiching angle is beta, beta is more than 0 degrees and less than or equal to 45 degrees, and a plurality of liquid through holes penetrating through the upper surface and the lower surface of the polyurethane foam cotton layer are arranged in the polyurethane foam cotton layer.
7. The absorbent article of claim 6 wherein:
15°＜β≤45°。
8. the absorbent article of claim 6 wherein:
the polyurethane foam cotton layer in the leakage-proof component is of a three-dimensional right trapezoid structure, and the included angle between the inclined plane and the bottom surface of the three-dimensional right trapezoid structure is the same as the clamping angle beta.
9. The absorbent article of any one of claims 1 to 5, wherein:
the surface layer is hot air non-woven fabric, spun-bonded non-woven fabric or pure cotton non-woven fabric.
10. The absorbent article of any one of claims 1 to 5, wherein:
the bottom layer is a breathable PE bottom film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223447726.9U CN218979472U (en) | 2022-12-22 | 2022-12-22 | Absorbing article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223447726.9U CN218979472U (en) | 2022-12-22 | 2022-12-22 | Absorbing article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218979472U true CN218979472U (en) | 2023-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223447726.9U Active CN218979472U (en) | 2022-12-22 | 2022-12-22 | Absorbing article |
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| Country | Link |
|---|---|
| CN (1) | CN218979472U (en) |
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2022
- 2022-12-22 CN CN202223447726.9U patent/CN218979472U/en active Active
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