Degradable non-woven fabric

By designing a multi-layered composite structure and utilizing non-woven fabrics formed from biodegradable materials, the problem of non-woven fabrics being difficult to degrade naturally is solved, achieving an environmentally friendly and economical degradation effect, while also improving the comfort and functionality of non-woven fabrics.

CN223720353UActive Publication Date: 2025-12-26ANGUO QIANJIN NONWOVEN CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422932837.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-26
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing nonwoven fabrics are difficult to degrade naturally, leading to environmental pollution, and artificial degradation is costly.

Method used

It adopts a composite structure consisting of a protective silk layer, a base layer, a buffer moisture-absorbing layer, an antibacterial functional layer, a heat-insulating layer, a barrier reinforcement layer, and a tough support layer. All the materials in each layer are biodegradable, including natural silk fibers, polylactic acid fibers, thermoplastic starch and cellulose nanocrystals, chitosan fibers and silver nanoparticles, kapok fibers, polybutylene succinate and nano-montmorillonite, and polylactic acid and bamboo fibers, which are bonded together to form a multi-layer structure.

Benefits of technology

This achieves biodegradability of nonwoven fabrics, improves comfort, practicality, antibacterial properties, heat insulation and toughness, and reduces environmental pollution and degradation costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223720353U_ABST
    Figure CN223720353U_ABST
Patent Text Reader

Abstract

The utility model provides a degradable non-woven fabric, which relates to the technical field of non-woven fabrics and comprises a protective silk layer, a base layer, a buffer moisture absorption layer, an antibacterial functional layer, a heat preservation layer, a barrier strengthening layer, a toughness supporting layer and a skin-friendly silk layer. According to the non-woven fabric, the protective silk layer and the skin-friendly silk layer are arranged, so that a certain protective effect can be provided, the skin-friendly performance is achieved, the comfort level of a user is improved, the base layer is formed by spunbonding the polylactic acid fibers, and the polylactic acid fibers are degradable materials, so that the non-woven fabric has the degradability and meets the environment-friendly requirement; the buffer moisture absorption layer is made of thermoplastic starch, external force can be effectively buffered, moisture can be effectively absorbed, the practicability of the non-woven fabric is improved, the antibacterial functional layer is made of chitosan fibers, the chitosan fibers have the antibacterial property, nano-silver particles have the excellent antibacterial effect, bacterium breeding can be effectively inhibited, and the antibacterial non-woven fabric has the antibacterial function. And the sanitation performance of the product is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of non - woven fabric especially, it relates to a kind of degradable non - woven fabric. BACKGROUND

[0002] With the continuous development of modern society and the continuous maturation of textile technology, the use range of non-woven fabric is also expanding. Non-woven fabric, also known as cloth, is made of directional or random fibers. It is called cloth because it has the appearance and some properties of cloth. With the increasing use of non-woven fabric, the amount of discarded non-woven fabric is increasing. Non-woven fabric is made of materials that cannot be naturally degraded, which causes environmental pollution.

[0003] In the prior art, non-woven fabric is mostly degraded by manual operation of equipment, which not only wastes manpower, but also requires a large amount of money, increasing the cost of non-woven fabric degradation. UTILITY MODEL CONTENT

[0004] The utility model mainly provides a kind of degradable non-woven fabric of non-woven fabric.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a degradable non-woven fabric, comprising a protective silk layer, a base layer, a buffer moisture absorption layer, an antibacterial functional layer, a thermal insulation layer, a barrier reinforcement layer, a toughness support layer and a skin-friendly silk layer, the base layer is fixedly bonded to the lower surface of the protective silk layer,

[0006] The buffer moisture absorption layer is fixedly bonded to the lower surface of the base layer, the antibacterial functional layer is fixedly bonded to the lower surface of the buffer moisture absorption layer, the thermal insulation layer is fixedly bonded to the lower surface of the antibacterial functional layer, the barrier reinforcement layer is fixedly bonded to the lower surface of the thermal insulation layer, the toughness support layer is fixedly bonded to the lower surface of the barrier reinforcement layer, and the skin-friendly silk layer is fixedly bonded to the lower surface of the toughness support layer.

[0007] Preferably, the protective silk layer and the skin-friendly silk layer are made of natural silk fibers and are fine mesh layers, and the base layer is made of polylactic acid fiber spun-bonding. This way, the non-woven fabric can provide protection and be skin-friendly, improving the comfort of the user. The base layer made of polylactic acid fiber spun-bonding is a degradable material, making the non-woven fabric degradable and meeting environmental protection requirements.

[0008] Preferably, the buffer moisture absorption layer is made of thermoplastic starch and cellulose nanocrystals. This way, the non-woven fabric can effectively buffer external force and absorb moisture, improving its practicality.

[0009] Preferably, the antibacterial functional layer is made of chitosan fibers and nano silver particles, wherein the chitosan fibers have antibacterial properties, and the nano silver particles have excellent antibacterial effect, so that the growth of bacteria can be effectively inhibited, and the hygiene performance of the product is improved.

[0010] Preferably, the heat preservation layer is made of kapok fibers, so that the non-woven fabric is degradable and the heat preservation effect of the non-woven fabric is improved.

[0011] Preferably, the barrier strengthening layer is made of polybutylene succinate and nano montmorillonite, so that the barrier property of the non-woven fabric is strengthened, and the non-woven fabric can better block the invasion of external substances.

[0012] Preferably, the tough support layer is made of polylactic acid and bamboo fibers, so that the toughness of the non-woven fabric is improved, and the non-woven fabric is not easy to be damaged in use.

[0013] 1. In the utility model, the protective silk layer and the skin-friendly silk layer are arranged, so that the protective effect and the skin-friendliness are provided, the comfort of the user is improved, the base layer is made of polylactic acid fibers, the polylactic acid fibers are degradable materials, so that the non-woven fabric is degradable and meets the environmental protection requirements, the buffer moisture absorption layer is made of thermoplastic starch and cellulose nanocrystals, so that external force can be effectively buffered and moisture can be absorbed, the practicality of the non-woven fabric is improved, the antibacterial functional layer is made of chitosan fibers and nano silver particles, the chitosan fibers have antibacterial properties, the nano silver particles have excellent antibacterial effect, the growth of bacteria can be effectively inhibited, and the hygiene performance of the product is improved.

[0014] 2. In the utility model, the heat preservation layer made of kapok fibers is a natural fiber, so that the non-woven fabric is degradable and the heat preservation effect of the non-woven fabric is improved.

[0015] The barrier strengthening layer is made of polybutylene succinate and nano montmorillonite, so that the barrier property of the non-woven fabric is strengthened, and the non-woven fabric can better block the invasion of external substances. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 is a perspective view of a degradable non-woven fabric according to the utility model;

[0017] Fig. 2 is an exploded view of a degradable non-woven fabric according to the utility model;

[0018] Fig. 3 is a side view of a degradable non-woven fabric according to the utility model.

[0019] Legend: 1, protective silk layer; 2, base layer; 3, buffer and moisture absorption layer; 4, antibacterial functional layer; 5, heat preservation layer; 6, barrier strengthening layer; 7, toughness supporting layer; 8, skin-friendly silk layer. DETAILED DESCRIPTION

[0020] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the drawings and examples. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, but the present application can also be practiced in other ways different from those described herein, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0022] Please refer to Figures 1-3 The present application provides a technical solution: a degradable non-woven fabric, comprising a protective silk layer 1, a base layer 2, a buffer and moisture absorption layer 3, an antibacterial functional layer 4, a heat preservation layer 5, a barrier strengthening layer 6, a toughness supporting layer 7, and a skin-friendly silk layer 8, the base layer 2 is fixedly bonded to the lower surface of the protective silk layer 1, the buffer and moisture absorption layer 3 is fixedly bonded to the lower surface of the base layer 2, the antibacterial functional layer 4 is fixedly bonded to the lower surface of the buffer and moisture absorption layer 3, the heat preservation layer 5 is fixedly bonded to the lower surface of the antibacterial functional layer 4, the barrier strengthening layer 6 is fixedly bonded to the lower surface of the heat preservation layer 5, the toughness supporting layer 7 is fixedly bonded to the lower surface of the barrier strengthening layer 6, and the skin-friendly silk layer 8

[0023] is fixedly bonded to the lower surface of the toughness supporting layer 7.

[0024] As shown in Figure 2 , the protective silk layer 1 and the skin-friendly silk layer 8 are made of natural silk fibers and are fine mesh layer base layers, and the base layer 2 is made of poly lactic acid fiber spun-bonded.

[0025] As shown in Figure 2 , the buffer and moisture absorption layer 3 is made of thermoplastic starch and cellulose nanocrystals.

[0026] As shown in Figure 2 , the antibacterial functional layer 4 is made of chitosan fiber and nano silver particles.

[0027] As shown in Figure 2 , the heat preservation layer 5 is made of kapok fiber.

[0028] As shown in Figure 2 , the barrier strengthening layer 6 is made of polybutylene succinate and nano montmorillonite.

[0029] As shown in Figure 2As shown, the toughness support layer 7 is made of polylactic acid and bamboo fiber.

[0030] The use method and working principle of the device: in use, the protective silk layer 1 and the skin-friendly silk layer 8 are made of natural silk fiber, which can provide certain protection and has skin-friendliness, improving the comfort of the user, the base layer 2 is made of polylactic acid fiber spun-bonded, polylactic acid fiber is a degradable material, so that the non-woven fabric has degradability, meets the environmental protection requirements, the buffer and moisture absorption layer 3 is made of thermoplastic starch and cellulose nanocrystals, which can effectively buffer external force and absorb moisture, improve the practicability of the non-woven fabric, the antibacterial functional layer 4 is made of chitosan fiber and nano silver particles, the chitosan fiber itself has antibacterial property, the nano silver particles have excellent antibacterial effect, can effectively inhibit the growth of bacteria, improve the sanitary performance of the product, the heat preservation layer 5 made of kapok fiber is a natural fiber, which can ensure degradability and improve the heat preservation effect of the non-woven fabric, the barrier strengthening layer 6 is made of polybutylene succinate and nanometer montmorillonite, which can strengthen the barrier property of the non-woven fabric, so that it can better block the invasion of external substances, the toughness support layer 7 is made of polylactic acid and bamboo fiber, which is degradable and can provide good toughness, improving the toughness of the non-woven fabric, so that it is not easy to be damaged in use, and the above is bonded by natural rubber.

[0031] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments without departing from the technical scheme of the present application, according to the technical essence of the present application, still belongs to the protection scope of the present application.

Claims

1. A degradable nonwoven fabric, characterized by, Include: Protective silk layer (1), base layer (2), buffer moisture absorption layer (3), antibacterial functional layer (4), heat preservation layer (5), barrier strengthening layer (6), toughness support layer (7), skin-friendly silk layer (8), the base layer (2) is fixedly bonded to the lower surface of the protective silk layer (1), the buffer moisture absorption layer (3) is fixedly bonded to the lower surface of the base layer (2), the antibacterial functional layer (4) is fixedly bonded to the lower surface of the buffer moisture absorption layer (3), the heat preservation layer (5) is fixedly bonded to the lower surface of the antibacterial functional layer (4), the barrier strengthening layer (6) is fixedly bonded to the lower surface of the heat preservation layer (5), the toughness support layer (7) is fixedly bonded to the lower surface of the barrier strengthening layer (6), and the skin-friendly silk layer (8) is fixedly bonded to the lower surface of the toughness support layer (7). The protective silk layer (1) and the skin-friendly silk layer (8) are made of natural silk fibers and are fine mesh layers, and the base layer (2) is made of polylactic acid fiber spun-bonded.

2. The degradable nonwoven fabric according to claim 1, characterized by: The heat preservation layer (5) is made of kapok fiber.

3. The degradable nonwoven fabric according to claim 1, characterized by: ​