CN213006843U

CN213006843U - Multilayer non-woven fabric structure with good air permeability

Info

Publication number: CN213006843U
Application number: CN202020872199.8U
Authority: CN
Inventors: 刘献良
Original assignee: Wujiang Huaxin Furniture Co ltd
Current assignee: Wujiang Huaxin Furniture Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-04-20
Anticipated expiration: 2030-05-21

Abstract

The utility model belongs to the non-woven fabric field, in particular to a multilayer non-woven fabric structure with good air permeability, which comprises a spun-bonded non-woven fabric layer, wherein air permeable layers are bonded on two sides of the spun-bonded non-woven fabric layer, a high polymer material layer, an abrasion-resistant layer and a flame-retardant layer are sequentially arranged outside the air permeable layers, the abrasion-resistant layer and the flame-retardant layer are both in liquid state, are coated on the high polymer material layer and are fixed after being cooled, and through holes are arranged inside the air permeable layers; the utility model discloses the thru hole evenly distributed of the arc structure that sets up is on ventilative layer, make ventilative layer of air accessible and thru hole formation circulation of air, the effectual cloth gas permeability of having avoided is poor, the gas permeability is good can has been reached, at the inside cotton-flax layer that adds of spunbonded non-woven fabrics layer, strengthen the gas permeability of non-woven fabrics, soft comfortable washing fast simultaneously, the washing life-span of increase non-woven fabrics, the liquid wearing layer of paining on macromolecular material layer surface, the wearability of increase non-woven fabrics, the fire-retardant layer that sets up simultaneously, the fire resistance of non-woven fabrics when using is improved.

Description

Multilayer non-woven fabric structure with good air permeability

Technical Field

The utility model relates to a non-woven fabrics field, concretely relates to multilayer non-woven fabrics structure that gas permeability is good.

Background

Nonwoven fabrics, also known as nonwovens, are composed of oriented or random fibers. It is called a cloth because of its appearance and certain properties. The non-woven fabric has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity or irritation, rich color, low price, recycling and the like. For example, the polypropylene (pp material) granules are mostly adopted as raw materials and are produced by a continuous one-step method of high-temperature melting, spinning, laying a line and hot-pressing coiling.

The absorbed layer of current non-woven fabrics generally comprises the precoat of weeping and the bed course of leakproof, mainly be equipped with the wood pulp material that can absorb water between precoat and the bed course, but the blowdown is comparatively serious in the wood pulp material production process, it is harmful to the environmental protection, wood pulp probably agglomerates into pieces in the use, thereby the compliance and the travelling comfort that lead to the absorbed layer worsen, and its thickness is thicker, air permeability is not enough, influence the use, the non-woven fabrics is at the in-process that uses simultaneously, it is inflammable also to have, easy wearing and tearing and lack antibacterial property scheduling problem, make its application range receive the restriction.

In order to solve the above problems, the present application provides a multi-layer nonwoven fabric structure with good air permeability.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem who exists among the background art, the utility model provides a multilayer non-woven fabric structure that gas permeability is good through setting up various protective layers, can accomplish waterproof simultaneously and ventilative, makes it have good life-span through composite construction's characteristic moreover, can effectively solve the problem among the background art.

(II) technical scheme

For solving the technical problem, the utility model provides a multilayer non-woven fabric structure that gas permeability is good, including spinning non-woven fabrics layer, spinning non-woven fabrics layer both sides are bonded and have ventilative layer, ventilative layer outside has set gradually macromolecular material layer, wearing layer and fire-retardant layer, the wearing layer is liquid, paints on macromolecular material layer, fixes it after through the cooling, ventilative in situ portion is provided with the thru hole.

Preferably, a cotton layer is obliquely arranged inside the spun-bonded non-woven fabric layer.

Preferably, the through holes are arc-shaped structures, and an antibacterial layer is embedded between the through holes.

Preferably, the breathable layer is composed of a PTFE membrane made of a high-molecular waterproof breathable material and a composite fabric.

Preferably, the antibacterial layer is made of natural antibacterial fibers, and mainly comprises chitin fibers and bamboo fibers.

The above technical scheme of the utility model has following profitable technological effect:

1. the through holes of the arc-shaped structure are uniformly distributed on the breathable layer, so that air can form air circulation through the breathable layer and the through holes, the problem that the use experience of a user is influenced due to poor air permeability of cloth is effectively avoided, and the good air permeability is achieved;

2. the cotton-flax layer is added in the spun-bonded non-woven fabric layer, so that the performance of the non-woven fabric in use is further improved, the air permeability of the non-woven fabric is enhanced, and the non-woven fabric is soft, comfortable, washable and longer in washing life;

3. the utility model discloses the liquid wearing layer of paining on macromolecular material layer surface increases the wearability of non-woven fabrics, and the fire-retardant layer that sets up simultaneously improves the fire resistance of non-woven fabrics when using.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Reference numerals:

1. a spunbond nonwoven layer; 2. a cotton layer; 3. a breathable layer; 4. a polymer material layer; 5. a wear layer; 6. a flame retardant layer; 7. through holes; 8. and (4) an antibacterial layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, the utility model provides a multilayer non-woven fabric structure that gas permeability is good, including spunbonded non-woven fabric layer 1, the main material is dacron and polypropylene fibre, extrude the polymer, stretch, after forming continuous filament, the net is laid to the filament, the fibre net is through self bonding, the heat bonding, chemical bonding or mechanical reinforcement method again, make the non-woven fabric body have that high temperature resistant performance is good, low temperature resistant performance is good (polypropylene fibre can use in 150 ℃ environment for a long time, dacron can use in 260 ℃ environment for a long time), ageing-resistant, ultraviolet resistance, the percentage elongation is high, stability and gas permeability are good, corrosion-resistant, give sound insulation, moth-proofing and nontoxic advantage;

it should be further noted that the cotton-flax layer 2 is obliquely arranged inside the spunbonded nonwoven fabric layer 1, wherein the cotton-flax layer 2 is a fabric made of various flax plant fibers such as flax, ramie, jute, sisal, abaca and the like, and has good air permeability, is soft, comfortable and washable, and the washing life of the nonwoven fabric is prolonged;

in order to realize ventilation of the non-woven fabric, the breathable layer 3 is further arranged, the breathable layer 3 is bonded on two sides of the outer wall of the spun-bonded non-woven fabric layer 1, the breathable layer 3 is composed of a PTFE (polytetrafluoroethylene) film made of a high-molecular waterproof breathable material and a composite fabric, a plurality of through holes 7 are uniformly distributed in the breathable layer 3 at intervals, and the through holes 7 are of a symmetrical arc structure so as to improve the ventilation performance of the non-woven fabric;

in this embodiment, the antibacterial layer 8 is embedded between the through holes 7, the antibacterial layer 8 is made of natural antibacterial fiber, which mainly comprises chitin fiber and bamboo fiber, the ratio of the chitin fiber to the bamboo fiber is 1:2, wherein the chitin microfiber is composed of a bundle of chitin molecules arranged in parallel along the long molecular axis, because the chitin fiber has a large number of hydrophilic groups such as hydroxyl group (-OH) and amino group (-NH 2) on the macromolecular chain, the fiber has good hydrophilicity and high hygroscopicity, the chitin fiber knitted product has the advantages of soft and cut hand feeling, no irritation, high moisture retention, heat preservation, antibacterial and deodorant functions, good skin care function, auxiliary medical function for allergic dermatitis, and conformity with the standard of green textiles, the bamboo fiber is a novel regenerated cellulose fiber using bamboo as the raw material, and has morphological characteristics and mechanical properties similar to viscose, the bamboo fiber has unique and natural antibacterial performance, and the antibacterial rate can reach 70% within 24 hours;

in the embodiment, the high polymer material layer 4, the wear-resistant layer 5 and the flame-retardant layer 6 are sequentially arranged outside the breathable layer 3, the wear-resistant layer 5 is in a liquid state, is coated on the high polymer material layer 4, and is fixed after being cooled, so that the wear resistance of the non-woven fabric in use is further improved;

the surface of the non-woven fabric is also provided with a flame-retardant layer 6, wherein the flame-retardant layer 6 is mainly aramid flame-retardant fiber, and a new generation fiber flame-retardant technology, namely a sol-gel technology, is adopted, so that an inorganic polymer flame retardant exists in a nano state or an interpenetrating network state in organic macromolecules of viscose fibers, the excellent physical properties of the fibers are ensured, and the characteristics of low smoke, no toxicity, no peculiar smell, no melting and dripping and the like are realized. The fiber and the textile have the effects of flame retardance, heat insulation and molten drop resistance, and the application performance, the safety performance and the added value of the fiber and the textile are greatly improved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a multilayer non-woven fabrics structure that gas permeability is good, includes spunbonded non-woven fabrics layer (1), its characterized in that, spunbonded non-woven fabrics layer (1) both sides bond and have ventilative layer (3), ventilative layer (3) outside has set gradually macromolecular material layer (4), wearing layer (5) and fire-retardant layer (6), wearing layer (5) are liquid, paint on macromolecular material layer (4), fix it through cooling back, ventilative layer (3) inside is provided with thru hole (7).

2. The structure of multi-layer non-woven fabric with good air permeability according to claim 1, characterized in that the spun-bonded non-woven fabric layer (1) is internally provided with a cotton layer (2) in an inclined manner.

3. The structure of claim 1, wherein the through holes (7) are formed in an arc shape, and the antibacterial layer (8) is embedded between the through holes (7).

4. The multilayer non-woven fabric structure with good air permeability according to claim 1, characterized in that the air-permeable layer (3) is composed of a composite fabric and a PTFE film of a high molecular waterproof air-permeable material.