CN209851734U - Non-woven fabric with good air permeability and high flame retardance - Google Patents

Abstract

The utility model relates to a non-woven fabrics technical field just discloses a non-woven fabrics that gas permeability is good and fire resistance is high, including spinning the non-woven fabrics, the ventilative layer has been sewed up at the top of spinning the non-woven fabrics, the through-hole has been seted up to the inside on ventilative layer, the dacron layer has been sewed up at the top on ventilative layer, the burlap layer has been sewed up at the top on dacron layer, the acrylic fibres cotton has been sewed up at the top on burlap layer, fire-retardant layer has been laid at the cotton top of acrylic fibres. This non-woven fabrics that gas permeability is good and fire resistance is high, mainly be by dacron and polypropylene fibre through the spunbonded nonwoven, can play the ultraviolet resistance, the elongation is high, stability and the good effect of gas permeability, constitute by the PTFE membrane and the compound surface fabric of the waterproof ventilative material of polymer through ventilative layer, can make ventilative layer multiplicable ventilation effect, carry out the blending by fire-retardant dacron and high performance fibre through the dacron layer and interweave and form, the fire resistance on multiplicable dacron layer has improved the fire resistance of cloth.

Description

Non-woven fabric with good air permeability and high flame retardance

Technical Field

The utility model relates to a non-woven fabrics technical field specifically is a non-woven fabrics that gas permeability is good and fire resistance is high.

Background

The non-woven fabric is also called non-woven fabric, is formed by oriented or random fibers, is called fabric because of the appearance and certain properties of the fabric, has no warp and weft, is very convenient to cut and sew, is light and easy to shape, and is popular with hand enthusiasts.

Most nonwoven fabrics on the market have the functions of flexibility, light weight and easy decomposition, but the effects on the aspects of air permeability and flame retardance are not ideal, so that the use effect is greatly influenced due to the fact that a user is extremely inconvenient when using the nonwoven fabrics, and the problem is solved by providing the nonwoven fabrics with good air permeability and high flame retardance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a non-woven fabrics that gas permeability is good and fire resistance is high possesses that the gas permeability is good, and the fire resistance is high, advantages such as excellent in use effect have solved gas permeability and fire resistance and have gone up the effect not ideal, and the user is when using, and extremely inconvenient has influenced the problem of result of use greatly.

(II) technical scheme

For realizing above-mentioned gas permeability good, the fire resistance is high, the good purpose of result of use, the utility model provides a following technical scheme: the utility model provides a non-woven fabrics that gas permeability is good and fire resistance is high, includes the spunbonded nonwoven, the ventilative layer has been sewed up at the top of spunbonded nonwoven, the through-hole has been seted up to the inside on ventilative layer, the dacron layer has been sewed up at the top on ventilative layer, the linen layer has been sewed up at the top on dacron layer, the acrylic fibres cotton has been sewed up at the top on linen layer, fire-retardant layer has been laid at the cotton top of acrylic fibres.

Preferably, the flame-retardant layer is aramid flame-retardant fiber, and the thickness of the flame-retardant layer is smaller than that of the acrylic cotton.

Preferably, the number of the through holes is not less than twenty, and the through holes are uniformly distributed on the air-permeable layer.

Preferably, the breathable layer is composed of a PTFE film made of a high-molecular waterproof breathable material and a composite fabric, and the size of the breathable layer is the same as that of the spunbonded non-woven fabric.

Preferably, the polyester layer is formed by blending and interweaving flame-retardant polyester and high-performance fibers.

Preferably, the thickness of the acrylic cotton is 0.2-0.5 cm.

(III) advantageous effects

Compared with the prior art, the utility model provides a non-woven fabrics that gas permeability is good and fire resistance is high possesses following beneficial effect:

1. the non-woven fabric with good air permeability and high flame retardance is formed by extruding and stretching polymers through spun-bonded non-woven fabric mainly by terylene and polypropylene to form continuous filaments, the filaments are laid into a web, the web is subjected to self-bonding, thermal bonding, chemical bonding or mechanical reinforcement to convert the web into a non-woven fabric, so that the spunbonded non-woven fabric can play the roles of ultraviolet resistance, high elongation, good stability and good air permeability, the air permeable layer is composed of a PTFE membrane made of a high-molecular waterproof air permeable material and a composite fabric, the PTFE membrane is a microporous membrane produced by adopting polytetrafluoroethylene dispersion resin through special processes such as premixing, extruding, calendaring, biaxial stretching and the like, the breathable layer can be enabled to have an increased breathable effect, and the polyester layer is formed by blending and interweaving flame-retardant polyester and high-performance fibers, so that the flame retardance of the polyester layer can be increased, and the flame retardance of the fabric is improved.

2. This non-woven fabrics that gas permeability is good and fire resistance is high, through the linen layer with flax, ramie, jute, a cloth that various bast fiber such as sisal hemp and abaca were made, good gas permeability has, soft comfortable washable simultaneously, the through-hole has been seted up through the inside on ventilative layer, through-hole evenly distributed is on ventilative layer, make air accessible ventilative layer and through-hole form the circulation of air, the effectual cloth gas permeability of having avoided is poor, and influence user's use experience, it is good to have reached the gas permeability, fire resistance is high, the purpose that excellent in use effect.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 spun-bonded non-woven fabric, 2 breathable layers, 3 through holes, 4 polyester layers, 5 linen layers, 6 acrylic cotton and 7 flame-retardant layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a non-woven fabric with good air permeability and high flame retardancy includes a spun-bonded non-woven fabric 1, wherein the spun-bonded non-woven fabric 1 is mainly made of terylene and polypropylene fibers, a polymer is extruded and stretched to form continuous filaments, the filaments are laid into a web, and the web is subjected to self-bonding, thermal bonding, chemical bonding or mechanical reinforcement to change the web into a non-woven fabric, so that the spun-bonded non-woven fabric 1 can play a role in ultraviolet resistance, high elongation, stability and good air permeability, the air permeable layer 2 is made of a PTFE film and a composite fabric of a high polymer waterproof air permeable material, the PTFE film is a microporous film produced by using polytetrafluoroethylene dispersion resin through special processes such as premixing, extrusion, calendering and bidirectional stretching, the air permeable layer 2 can increase the air permeability effect, and the terylene layer 4 is formed by blending and interweaving flame retardant terylene and high-performance fibers, so that the flame, the flame retardance of the cloth is improved, the top of the spun-bonded non-woven fabric 1 is sewed with the breathable layer 2, the breathable layer 2 is composed of a PTFE film and a composite fabric of a high-molecular waterproof breathable material, the size of the breathable layer 2 is the same as that of the spun-bonded non-woven fabric 1, through holes 3 are formed in the breathable layer 2, the number of the through holes 3 is not less than twenty, the through holes are uniformly distributed on the breathable layer 2, the top of the breathable layer 2 is sewed with a polyester layer 4, the polyester layer 4 is formed by blending and interweaving flame-retardant polyester and high-performance fibers, the top of the polyester layer 4 is sewed with a linen layer 5, the linen layer 5 is made of various linen plant fibers such as flax, ramie, jute, sisal, abaca and abaca, the cloth has good air permeability, is soft, comfortable and washable, the through holes 3 are formed in the breathable layer 2, the through holes 3 are uniformly distributed on the breathable layer 2, and air can be, the acrylic cotton 6 is sewn at the top of the linen layer 5, the thickness of the acrylic cotton 6 is 0.2-0.5 cm, the acrylic cotton 6 is polyacrylonitrile fiber, the acrylic cotton 6 has excellent performance, the acrylic cotton is called synthetic wool due to the property of the acrylic cotton is close to wool, the raw material of the acrylic cotton 6 is cheap propylene which is a petroleum cracking byproduct, the acrylic copolymer is only decomposed but not melted when heated to above 230 ℃, the elasticity is good, the elasticity is only inferior to terylene and is about 2 times higher than the nylon, the shape retention is good, the flame-retardant layer 7 is paved at the top of the acrylic cotton 6, the flame-retardant layer 7 is aramid flame-retardant fiber, and the thickness of the flame-retardant layer 7 is smaller than that of the acrylic cotton 6.

In summary, the spunbonded nonwoven fabric 1 made of polyester and polypropylene mainly through extruding and drawing polymers to form continuous filaments, the filaments are laid into a web, the web is subjected to self-bonding, thermal bonding, chemical bonding or mechanical reinforcement to convert the web into a non-woven fabric, so that the spunbonded nonwoven fabric 1 can play the roles of ultraviolet resistance, high elongation, good stability and good air permeability, the air permeable layer 2 is composed of a PTFE membrane made of high molecular waterproof air permeable material and a composite fabric, the PTFE membrane is a microporous membrane produced by adopting polytetrafluoroethylene dispersion resin through special processes of premixing, extruding, calendaring, biaxial stretching and the like, can make ventilative layer 2 increase ventilation effect, interweave by fire-retardant dacron and high performance fiber through dacron layer 4 and form by blending, the fire resistance on multiplicable dacron layer has improved the fire resistance of cloth.

And, through the linen layer 5 with a cloth that various bast fiber such as flax, ramie, jute, sisal and abaca made, have good gas permeability, soft comfortable washable simultaneously, through ventilative layer 2 inside seted up through-hole 3, through-hole 3 evenly distributed is on ventilative layer 2, make air accessible ventilative layer 2 and through-hole 3 form the circulation of air, the effectual cloth gas permeability of having avoided is poor, and influence user's use experience, reached that the gas permeability is good, the fire resistance is high, excellent in use effect's purpose.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A nonwoven fabric with good air permeability and high flame retardancy, comprising a spunbond nonwoven fabric (1), characterized in that: the top of spunbonded nonwoven (1) is sewed with a breathable layer (2), a through hole (3) is formed in the breathable layer (2), a polyester layer (4) is sewed on the top of the breathable layer (2), a linen layer (5) is sewed on the top of the polyester layer (4), acrylic cotton (6) is sewed on the top of the linen layer (5), and a flame-retardant layer (7) is laid on the top of the acrylic cotton (6).

2. The nonwoven fabric having good air permeability and high flame retardancy according to claim 1, wherein: the flame-retardant layer (7) is made of aramid flame-retardant fibers, and the thickness of the flame-retardant layer (7) is smaller than that of the acrylic cotton (6).

3. The nonwoven fabric having good air permeability and high flame retardancy according to claim 1, wherein: the number of the through holes (3) is not less than twenty, and the through holes are uniformly distributed on the breathable layer (2).

4. The nonwoven fabric having good air permeability and high flame retardancy according to claim 1, wherein: the breathable layer (2) is composed of a PTFE film made of a high-molecular waterproof breathable material and a composite fabric, and the size of the breathable layer (2) is the same as that of the spun-bonded non-woven fabric (1).

5. The nonwoven fabric having good air permeability and high flame retardancy according to claim 1, wherein: the terylene layer (4) is formed by blending and interweaving flame-retardant terylene and high-performance fiber.

6. The nonwoven fabric having good air permeability and high flame retardancy according to claim 1, wherein: the thickness of the acrylic fiber cotton (6) is 0.2-0.5 cm.