CN219250701U

CN219250701U - Polylactic acid breathable antibacterial antiviral paper diaper

Info

Publication number: CN219250701U
Application number: CN202222211186.8U
Authority: CN
Inventors: 樊海彬; 蒋兵
Original assignee: Suzhou Guyuan Biotechnology Co ltd
Current assignee: Suzhou Guyuan Biotechnology Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-06-27
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a polylactic acid breathable antibacterial antiviral paper diaper, which comprises a paper diaper main body, wherein a left waist patch and a right waist patch are arranged at one end of the paper diaper main body; the paper diaper main body comprises a surface layer, a diversion layer, an absorption core body and a degradable bottom layer; the surface layer comprises a chitosan fiber layer and a coarse denier polylactic acid fiber layer; the flow guide layer is a polylactic acid fiber layer with a special-shaped cross section and paved in parallel; the absorption core body comprises a super-absorbent alginate fiber layer, an antiviral fiber layer and a polylactic acid spunlaced non-woven fabric layer; the degradable bottom layer is a polylactic acid microporous breathable film. The chitosan fiber, the polylactic acid fiber and the alginate fiber have good antibacterial capability, and the antiviral fiber layer can effectively improve the antiviral capability of the paper diaper and improve the use safety. The polylactic acid fiber with the special-shaped cross section of the flow guide layer has good flow guide effect, can ensure the dryness of one side in contact with skin, improves wearing comfort, and can ensure that the paper diaper has good air permeability.

Description

Polylactic acid breathable antibacterial antiviral paper diaper

Technical Field

The utility model relates to the technical field of paper diapers, in particular to a polylactic acid breathable antibacterial antiviral paper diaper.

Background

The paper diaper is a nursing product designed for infants, middle-aged and elderly patients suffering from urinary incontinence and paralysis, and the paper diaper is convenient to use and replace, so that the burden of nursing staff is reduced. The market scale of paper diapers in China is also continuously enlarged. The basic direction of the current development of the infant paper diaper is mainly soft, comfortable, dry, comfortable and breathable, and the infant does not generate adverse reactions such as red buttocks and the like in the use process. The main reasons for the generation of the red buttocks of the babies are that the diaper is excessively moist due to the fact that bacteria grow in the diaper after the diaper is used for a long time and the diaper is airtight.

Aiming at the reasons of the red buttocks of infants, firstly, the humidity of the side contacted with the skin of a user is reduced, secondly, the antibacterial and antiviral capabilities of the paper diaper are improved, and thirdly, the air permeability of the paper diaper is poor. How to design a paper diaper can ensure that the side contacted with the skin of a user is kept dry, and has antibacterial and antiviral capabilities and air permeability, so that the paper diaper becomes a problem to be solved.

Disclosure of Invention

The utility model aims to provide a polylactic acid breathable antibacterial antiviral paper diaper, the chitosan fiber, the polylactic acid fiber and the alginate fiber used have good antibacterial capability, and an antiviral fiber layer is arranged, so that the antiviral capability of the paper diaper can be effectively improved, and the use safety is improved. The polylactic acid fiber with the special-shaped cross section provided with the diversion layer has good diversion effect, can effectively ensure the dryness of one side in contact with skin, and improves wearing comfort. The polylactic acid microporous breathable film and the fiber layer can ensure that the diaper has good air permeability.

In order to solve the technical problems, the aim of the utility model is realized as follows:

the utility model relates to a polylactic acid breathable antibacterial antiviral paper diaper, which comprises a paper diaper main body, wherein a left waist patch and a right waist patch are arranged at one end of the paper diaper main body and are used for fixing the paper diaper main body at a preset position of a user; the paper diaper main body comprises a surface layer, a diversion layer, an absorption core body and a degradable bottom layer; the surface layer comprises a chitosan fiber layer and a coarse denier polylactic acid fiber layer; the diversion layer is a polylactic acid fiber layer with a special-shaped cross section and paved in parallel; the absorbent core comprises a super-absorbent alginate fiber layer, an antiviral fiber layer and a polylactic acid spunlaced non-woven fabric layer; the degradable bottom layer is a polylactic acid microporous breathable film.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the cross section of the polylactic acid fiber used in the polylactic acid fiber layer with the special-shaped cross section is cross-shaped or Y-shaped.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the antiviral fiber layer is golden yellow even water thorn non-woven fabrics.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: and all layers in the paper diaper main body are bonded through degradable hot melt adhesive.

The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the fineness of the chitosan fibers used in the chitosan fiber layer is 1-2D, and the fineness of the polylactic acid fibers used in the coarse denier polylactic acid fiber layer is 3-4D.

Compared with the prior art, the utility model has the following advantages:

according to the polylactic acid breathable antibacterial antiviral paper diaper, the chitosan fibers, the polylactic acid fibers and the alginate fibers have good antibacterial capacity, and the antiviral fiber layer is arranged, so that the antiviral capacity of the paper diaper can be effectively improved, and the use safety is improved. The polylactic acid fiber with the special-shaped cross section provided with the diversion layer has good diversion effect, can effectively ensure the dryness of one side in contact with skin, and improves wearing comfort. The polylactic acid microporous breathable film and the fiber layer can ensure that the diaper has good air permeability.

Drawings

Fig. 1 is a schematic structural view of a diaper according to a first embodiment;

fig. 2 is a schematic cross-sectional structure of a diaper main body according to the first embodiment.

The labels in the figures are illustrated below: 100-a diaper main body; 110-waist paste; 1-a surface layer; 2-a diversion layer; 3-an absorbent core; 4-a degradable bottom layer; 11-chitosan fiber layer; 12-a coarse denier polylactic acid fiber layer; 31-a super absorbent alginate fiber layer; 32-an antiviral fiber layer; 33-polylactic acid water thorns the non-woven fabrics layer.

Detailed Description

The utility model will be further described with reference to the drawings and specific examples.

Example 1

This embodiment will be described in detail with reference to fig. 1. This embodiment will be described in detail. The polylactic acid breathable antibacterial antiviral paper diaper according to the embodiment comprises a paper diaper main body 100, wherein a left waist patch 110 and a right waist patch 110 are arranged at one end of the paper diaper main body 100 and used for fixing the paper diaper main body 100 at a preset position of a user. The paper diaper main body 100 comprises a surface layer 1, a diversion layer 2, an absorption core body 3 and a degradable bottom layer 4; the surface layer comprises a chitosan fiber layer 11 and a coarse denier polylactic acid fiber layer 12; the diversion layer 2 is a polylactic acid fiber layer with a special-shaped cross section and paved in parallel; the absorbent core 3 comprises a super absorbent alginate fiber layer 31, an antiviral fiber layer 32 and a polylactic acid spunlaced nonwoven layer 33; the degradable bottom layer 4 is a polylactic acid microporous breathable film.

And the layers in the diaper main body 100 are bonded by degradable hot melt adhesive, so that the whole diaper is degradable.

Further, the fineness of the chitosan fibers used in the chitosan fiber layer 11 is 1-2D. The fineness of the specific chitosan fiber is 1D, the fineness of the polylactic acid fiber used in the coarse denier polylactic acid fiber layer 12 is 3-4D, and the fineness of the specific polylactic acid fiber is 3D. The chitosan fiber layer 11 and the macro-denier polylactic acid fiber layer 12 are reinforced by a hydroentangling process. The chitosan fiber has excellent antibacterial performance, prevents bacteria growing on the upper surface layer due to long-time use, damages the skin of infants, and meanwhile, the chitosan fiber has hydrophilicity and can quickly excrete urine; polylactic acid fiber is used as a supporting structure on the subsurface layer. The chitosan fiber and the macro-denier polylactic acid fiber are used, and the urine of an infant can rapidly pass through the surface layer due to the large fiber diameter.

Further, the cross section of the polylactic acid fiber used in the polylactic acid fiber layer with the special-shaped cross section is cross-shaped or Y-shaped. In the embodiment, the polylactic acid fiber with the special-shaped cross section is selected to be a Y-shaped cross section, and the special-shaped cross section enables the fiber to be provided with grooves along the length direction of the fiber, so that urine on the surface layer can be quickly guided to the absorption core layer through the wicking effect. In this embodiment, the polylactic acid fibers with the special-shaped cross section are formed into a fiber web by parallel lapping, and are reinforced by hydroentanglement. The parallel lapping mode for the water conservancy diversion can be quick along the water conservancy diversion of special-shaped cross-section polylactic acid fibre to bigger area, avoids urine to pile up in a position.

The super absorbent alginate fiber used in the super absorbent alginate fiber layer 31 can absorb about 20 times of physiological saline itself, and has good water absorption performance.

Further, the antiviral fiber layer 32 is a golden thread spunlaced nonwoven fabric. The golden company fiber is a natural antiviral plant fiber prepared by extracting the effective components of the plants in honeysuckle, baical skullcap root and weeping forsythiae capsule, and then blending with natural wood pulp. The spun-laced non-woven fabric prepared from the golden-yellow continuous fibers also has natural antiviral performance, so that the polylactic acid absorption core has antiviral performance in the storage and use processes, and the safety performance is improved.

The polylactic acid spunlaced nonwoven layer 33 used in the absorbent core 3 may provide support to the absorbent core, with a specific grammage of 35 grams per square meter.

Further, the degradable bottom layer 4 is made of polylactic acid microporous breathable film, and has micropores of about 1 μm, the gram weight range of the degradable bottom layer is 14-18 g/square meter, and the breathable amount range is 4000-6000/L.m ^-2 ·s ^-1 The water vapor transmission rate is 170-180 g/m ² X 24h. On the basis of guaranteeing water repellency, the air permeability of the base film is greatly improved.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. The polylactic acid breathable antibacterial antiviral paper diaper comprises a paper diaper main body, wherein a left waist patch and a right waist patch are arranged at one end of the paper diaper main body and used for fixing the paper diaper main body at a preset position of a user; the paper diaper is characterized in that the paper diaper main body comprises a surface layer, a diversion layer, an absorption core body and a degradable bottom layer; the surface layer comprises a chitosan fiber layer and a coarse denier polylactic acid fiber layer; the diversion layer is a polylactic acid fiber layer which is paved in parallel; the absorbent core comprises a super-absorbent alginate fiber layer, an antiviral fiber layer and a polylactic acid spunlaced non-woven fabric layer; the degradable bottom layer is a polylactic acid microporous breathable film;

the cross section of the polylactic acid fiber used in the polylactic acid fiber layer is cross-shaped or Y-shaped.

2. The polylactic acid breathable antibacterial antiviral paper diaper according to claim 1, wherein the antiviral fiber layer is a golden yellow water-jet nonwoven fabric.

3. The polylactic acid breathable antibacterial antiviral diaper according to claim 1, wherein layers in the diaper body are bonded through degradable hot melt adhesives.

4. The polylactic acid breathable antibacterial antiviral diaper according to claim 1, wherein the fineness of chitosan fibers used in the chitosan fiber layer is 1-2D, and the fineness of polylactic acid fibers used in the coarse denier polylactic acid fiber layer is 3-4D.