CN219049172U

CN219049172U - Dry and comfortable paper diaper structure

Info

Publication number: CN219049172U
Application number: CN202221652454.3U
Authority: CN
Inventors: 马文斌; 贺彬; 刘少令
Original assignee: Inglish Holding Group Co ltd
Current assignee: Inglish Holding Group Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2023-05-23
Anticipated expiration: 2032-06-28

Abstract

The utility model discloses a dry paper diaper structure, which comprises a surface layer, an absorption core body and hydrophilic coating cloth, wherein the bottom of the surface layer is provided with a covering layer, the top of the absorption core body is provided with a unidirectional liquid guide film, the absorption core body comprises a water absorption fiber layer, a first high polymer water absorption layer and a second high polymer water absorption layer which are arranged on the upper surface of the water absorption fiber layer, a third high polymer water absorption layer and a fourth high polymer water absorption layer which are arranged on the lower surface of the water absorption fiber layer, the upper layer of the water absorption fiber layer is provided with an upper guide groove, the lower layer of the water absorption fiber layer is provided with a lower guide groove, and the hydrophilic coating cloth wraps the absorption core body and the unidirectional liquid guide film.

Description

Dry and comfortable paper diaper structure

Technical Field

The utility model relates to the technical field of disposable absorbent articles, in particular to a dry paper diaper structure.

Background

Disposable absorbent articles, also known as disposable articles, are mainly feminine hygiene products, diapers, diaper pants, adult wet-on articles, and the like. The product utilizes the absorption core body to catch urine, and most of demands can be solved under the existing structure, but when the urine is too much, the product cannot absorb water at fixed points, the absorption capacity is not large, the diffusion and dryness are not good, and the utilization rate of the absorption core body is not high, so that the skin of a baby attached to the diaper can be soaked in liquid, and the skin is stimulated to appear eczema in a lasting manner.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above and/or problems occurring in the use of conventional dry pant diaper structures.

Therefore, the utility model aims to provide a dry paper diaper structure, wherein the surface layer can keep dry and reduce the occurrence of red buttocks and eczema.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

a dry pant diaper structure, comprising:

the bottom of the surface layer is provided with a covering layer;

the absorbent core comprises a water-absorbing fiber layer, a first high polymer water-absorbing layer, a second high polymer water-absorbing layer, a third high polymer water-absorbing layer and a fourth high polymer water-absorbing layer, wherein the first high polymer water-absorbing layer and the second high polymer water-absorbing layer are arranged on the upper surface of the water-absorbing fiber layer, the third high polymer water-absorbing layer and the fourth high polymer water-absorbing layer are arranged on the lower surface of the water-absorbing fiber layer, an upper diversion trench is arranged on the upper layer of the water-absorbing fiber layer, and a lower diversion trench is arranged on the lower layer of the water-absorbing fiber layer;

and the hydrophilic coating cloth wraps the absorption core body and the unidirectional liquid guide film.

As a preferable scheme of the dry paper diaper structure, two sides of the surface layer are respectively provided with a leakage-proof isolation edge, and the bottom of the hydrophilic wrapping cloth is provided with a leakage-proof bottom film.

As a preferable scheme of the dry paper diaper structure, the bottom of the leak-proof bottom film is provided with a bottom layer non-woven fabric.

As a preferable scheme of the dry paper diaper structure, the unidirectional liquid guide film consists of a dry diversion net surface, an integral film, a water repellent layer, a toughness layer and hot melt adhesive, and is positioned right above an absorption core body.

As a preferable scheme of the dry paper diaper structure, the unidirectional liquid guide film is positioned in the middle of the absorbent core, and at least 1/3 of the two ends of the absorbent core are not covered by the unidirectional liquid guide film.

As a preferable scheme of the dry paper diaper structure, the top of the first high polymer water-absorbing layer is provided with a lower seepage layer, and the bottom of the fourth high polymer water-absorbing layer is provided with a diffusion layer.

Compared with the prior art, the utility model has the following beneficial effects: this kind of dry and comfortable panty-shape diapers structure, the hole on the unidirectional liquid-conducting film can be opened automatically when meetting liquid, and liquid along the hole flows to the absorption core, and after the liquid shunts, the hole on the unidirectional liquid-conducting film is closed automatically to separation liquid and skin direct contact. Therefore, the dryness of the surface layer is ensured, and the occurrence of red buttocks and eczema is reduced to the maximum extent.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:

FIG. 1 is a schematic view of the whole structure of a dry diaper according to the present utility model;

FIG. 2 is a schematic view of a portion of an absorbent core of a dry diaper structure according to the present utility model;

fig. 3 is a schematic top view of an absorbent core of a dry diaper according to the present utility model.

1. Leak-proof isolation edges; 2. a surface layer; 3. hydrophilic coating cloth; 4. a leakage-proof bottom film; 5. a bottom layer non-woven fabric; 6. a cover layer; 7. a unidirectional liquid-conducting film; 8. an absorbent core; 9. an upper diversion trench; 10. a lower diversion trench; 101. a lower seepage layer; 102. a first polymeric water-absorbing layer; 103. a second polymeric water-absorbing layer; 104. a water-absorbing fibrous layer; 105. a third polymeric water-absorbing layer; 106. a fourth polymeric water-absorbing layer; 107. and a diffusion layer.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

The utility model provides a dry paper diaper structure, wherein a surface layer can keep dry and cool, and occurrence of red buttocks and eczema is reduced.

Fig. 1 to 3 are schematic structural views of an embodiment of a dry paper diaper according to the present utility model, referring to fig. 1 to 3, in which a main body portion of the dry paper diaper includes a surface layer 2, an absorbent core 8 and a hydrophilic coating 3.

The surface layer 2 is used for contacting with skin, specifically, a covering layer 6 is arranged at the bottom of the surface layer 2, in the embodiment, anti-leakage separation edges 1 are respectively arranged at two sides of the surface layer 2, an anti-leakage bottom film 4 is arranged at the bottom of the hydrophilic coating cloth 3, and a bottom non-woven fabric 5 is arranged at the bottom of the anti-leakage bottom film 4;

the first and second polymer water-absorbing

layers

102 and 103 in the absorption core body 8 are selected to have high gel strength (APP 0.3 psi), rapid absorption and downward permeation type Sap, and the third and fourth polymer water-absorbing

layers

105 and 106 are matched with high centrifugal water retention capacity (CRC), rapid absorption and diffusion type Sap, so that the reverse permeation performance of the diaper can be remarkably improved; the water absorbing fiber layer 104 is composed of composite short fibers 2-4 (dtex), polyester short fibers 3dtex and fibers with the length of 38-64 mm, when the unidirectional liquid guiding film 7 encounters liquid, the holes on the unidirectional liquid guiding film 7 can be automatically opened, the liquid flows onto the absorbing core 8 along the holes, after the liquid is split, the holes on the unidirectional liquid guiding film 7 are automatically closed, thereby blocking the liquid from directly contacting with the skin, simultaneously ensuring the dryness of the surface layer 2, furthest reducing the occurrence of red buttocks and eczema, specifically, the top of the absorbing core 8 is provided with the unidirectional liquid guiding film 7, the absorbing core 8 comprises the water absorbing fiber layer 104, a first high polymer water absorbing layer 102 and a second high polymer water absorbing layer 103 which are arranged on the upper surface of the water absorbing fiber layer 104, a third high polymer water absorbing layer 105 and a fourth high polymer water absorbing layer 106 which are arranged on the lower surface of the water absorbing fiber layer 104, the upper layer of the water-absorbing fiber layer 104 is provided with an upper diversion trench 9, the lower layer of the water-absorbing fiber layer 104 is provided with a lower diversion trench 10, in the embodiment, the unidirectional liquid-guiding film 7 consists of a diversion dry mesh surface, an integral film, a water-repellent layer, a toughness layer and hot melt adhesive, the unidirectional liquid-guiding film 7 is positioned right above the absorption core 8, the unidirectional liquid-guiding film 7 is positioned in the middle of the absorption core 8, at least 1/3 of the two ends of the absorption core 8 are not covered by the unidirectional liquid-guiding film 7, the top of the first high-polymer water-absorbing layer 102 is provided with a lower seepage layer 101, and the bottom of the fourth high-polymer water-absorbing layer 106 is provided with a diffusion layer 107;

the hydrophilic coating 3 is used for preventing liquid from leaking out, and specifically, the hydrophilic coating 3 wraps the absorbent core 8 and the unidirectional liquid-conducting film 7.

With reference to fig. 1 to 3, in the dry paper diaper structure of this embodiment, the specific usage process is as follows, when the unidirectional liquid-guiding film 7 encounters liquid, the holes on the unidirectional liquid-guiding film 7 will be automatically opened, the liquid will flow onto the absorbent core 8 along the holes, and when the liquid is split, the holes on the unidirectional liquid-guiding film 7 will be automatically closed, thereby blocking the direct contact between the liquid and the skin. Therefore, the dryness of the surface layer 2 is ensured, and the occurrence of red buttocks and eczema is reduced to the maximum extent.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A dry and comfortable diaper structure, comprising:

a cover layer (6) is arranged at the bottom of the surface layer (2);

the absorbent core comprises an absorbent core body (8), wherein a unidirectional liquid guide film (7) is arranged at the top of the absorbent core body (8), the absorbent core body (8) comprises a water absorption fiber layer (104), a first high polymer water absorption layer (102) and a second high polymer water absorption layer (103) which are arranged on the upper surface of the water absorption fiber layer (104), a third high polymer water absorption layer (105) and a fourth high polymer water absorption layer (106) which are arranged on the lower surface of the water absorption fiber layer (104), an upper diversion trench (9) is arranged on the upper layer of the water absorption fiber layer (104), and a lower diversion trench (10) is arranged on the lower layer of the water absorption fiber layer (104);

and the hydrophilic coating cloth (3) wraps the absorption core body (8) and the unidirectional liquid guide film (7).

2. The dry paper diaper structure according to claim 1, wherein the two sides of the surface layer (2) are respectively provided with a leakage-proof isolation edge (1), and the bottom of the hydrophilic coating cloth (3) is provided with a leakage-proof bottom film (4).

3. A dry paper diaper structure according to claim 2, characterized in that the bottom of the leakage preventing bottom film (4) is provided with a bottom layer nonwoven fabric (5).

4. A dry paper diaper structure according to claim 3, characterized in that the unidirectional liquid transfer film (7) consists of a dry net surface for transfer, an integral film, a water-repellent layer, a toughness layer, and a hot melt adhesive, and the unidirectional liquid transfer film (7) is located right above the absorbent core (8).

5. The dry paper diaper structure according to claim 4, wherein the unidirectional liquid guiding film (7) is located at the middle of the absorbent core (8), and at least 1/3 of the two ends of the absorbent core (8) are not covered by the unidirectional liquid guiding film (7).

6. The dry paper diaper structure according to claim 5, wherein a lower permeable layer (101) is arranged at the top of the first polymer water-absorbing layer (102), and a diffusion layer (107) is arranged at the bottom of the fourth polymer water-absorbing layer (106).