阅读说明：本技术 一种阻燃布料及其制备方法 (Flame-retardant fabric and preparation method thereof ) 是由 张继承 董会娜 张东生 何凤霞 刘喜宗 姚栋嘉 张蔓蔓 于 2020-07-17 设计创作，主要内容包括：本发明公开了一种阻燃布料,由内而外包括基布层、水性胶层和防水层,基布层包括纤维丝、阻燃涂料,防水层采用防水面料置于结构最外侧,阻燃涂料由气凝胶粉、水性高分子涂料和阻燃剂组成。阻燃布料的制备方法如下：取气凝胶粉、水性高分子涂料混合均匀,依次加入阻燃剂、分散剂、偶联剂,混合搅拌均匀,得到阻燃涂料,将纤维丝在阻燃涂料中浸渍后干燥,编织成基布层,将水性胶粘剂涂敷在基布层四周,在胶粘剂未干时将防水层粘贴在基布层四周,或者将水性胶粘剂涂敷在干燥后的纤维丝上,干燥后编织成基布层,将防水层粘贴在基布层四周,得到阻燃布料。本发明通过在结构外侧粘贴防水层,既可以保护基布层,又可以增加布料的防水性能,延长使用寿命。(The invention discloses a flame-retardant fabric which comprises a base fabric layer, a water-based adhesive layer and a waterproof layer from inside to outside, wherein the base fabric layer comprises fiber yarns and flame-retardant paint, the waterproof layer is made of waterproof fabric and is arranged on the outermost side of a structure, and the flame-retardant paint consists of aerogel powder, water-based high polymer paint and a flame retardant. The preparation method of the flame-retardant fabric comprises the following steps: the preparation method comprises the steps of uniformly mixing aerogel powder and water-based high polymer coating, sequentially adding a flame retardant, a dispersing agent and a coupling agent, uniformly mixing and stirring to obtain a flame-retardant coating, dipping fiber yarns in the flame-retardant coating, drying, weaving into a base cloth layer, coating a water-based adhesive on the periphery of the base cloth layer, adhering a waterproof layer on the periphery of the base cloth layer when the adhesive is not dry, or coating the water-based adhesive on the dried fiber yarns, drying, weaving into the base cloth layer, and adhering the waterproof layer on the periphery of the base cloth layer to obtain the flame-retardant fabric. According to the invention, the waterproof layer is adhered to the outer side of the structure, so that the cloth layer can be protected, the waterproof performance of the cloth can be improved, and the service life is prolonged.)

1. A flame-retardant fabric is characterized in that: the flame-retardant fabric sequentially comprises a base cloth layer (1), a water-based adhesive layer (2) and a waterproof layer (3) from inside to outside, wherein the base cloth layer (1) comprises fiber yarns and flame-retardant paint, and the waterproof layer (3) is made of waterproof fabric and is arranged on the outermost side of the structure; the flame-retardant coating consists of aerogel powder, a water-based high polymer coating and a flame retardant.

2. The flame retardant fabric of claim 1, wherein: the fiber yarn is any one of glass fiber yarn, carbon fiber yarn, polyester fiber yarn, aramid fiber yarn, hemp fiber yarn, spandex fiber yarn, polyamide fiber yarn, acrylic fiber yarn, polypropylene fiber yarn, vinylon fiber yarn and polyvinyl chloride fiber yarn; the water-based adhesive layer adopts a water-based adhesive, and the water-based adhesive is any one of an epoxy resin adhesive, an acrylic adhesive, an acrylate adhesive, an EVA adhesive, a polyester adhesive, a polyether adhesive, a polyurethane adhesive and a polyurea adhesive; the waterproof layer fabric is any one of waterproof chemical fiber pongee, waterproof delustering nylon yarn, printed Terylene waterproof bath curtain cloth, waterproof nylon cotton canvas and waterproof camouflage oxford cloth; the aerogel powder is any one of silicon dioxide aerogel powder, aluminum oxide aerogel powder, titanium dioxide aerogel powder and zirconium dioxide aerogel powder; the water-based high polymer coating is any one of water-based ethylene-vinyl acetate elastic coating, water-based organic silicon acrylic elastic coating, water-based acrylic elastic coating and water-based rubber emulsion; the flame retardant is one or more of a phosphorus-nitrogen flame retardant, an inorganic flame retardant, DOPO, decabromodiphenyl ether and decabromodiphenyl ethane, the inorganic flame retardant is any one of aluminum hydroxide, magnesium hydroxide, ammonium phosphate and zinc borate, and the phosphorus-nitrogen flame retardant is any one of ammonium polyphosphate, isopropylated triphenyl phosphate, melamine pyrophosphate and melamine cyanurate.

3. The preparation method of the flame-retardant fabric according to claim 1 comprises the following specific steps:

the method comprises the steps of taking aerogel powder and water-based high polymer coating, placing the aerogel powder and the water-based high polymer coating in a stirrer, uniformly mixing, then sequentially adding a flame retardant, a dispersing agent and a coupling agent, and uniformly mixing and stirring to obtain the flame-retardant coating; wherein, the water-based high polymer coating comprises the following components in parts by mass: aerogel powder: flame retardant: dispersing agent: coupling agent = (30-60): (5-40): (10-20): (1-5): (1-5);

soaking fiber yarns in the flame-retardant coating in the step for 20-180 min;

thirdly, the fibers impregnated in the step II are taken out, dried and woven into cloth to obtain a base cloth layer;

and fourthly, coating a water-based adhesive on the periphery of the base cloth layer, and adhering a waterproof layer on the periphery of the base cloth layer when the adhesive is not dried to obtain the prepared flame-retardant fabric.

4. The preparation method of the flame-retardant fabric according to claim 1 comprises the following specific steps:

the method comprises the steps of taking aerogel powder and water-based high polymer coating, placing the aerogel powder and the water-based high polymer coating in a stirrer, uniformly mixing, then sequentially adding a flame retardant, a dispersing agent and a coupling agent, and uniformly mixing and stirring to obtain the flame-retardant coating; wherein, the water-based high polymer coating comprises the following components in parts by mass: aerogel powder: flame retardant: dispersing agent: coupling agent = (30-60): (5-40): (10-20): (1-5): (1-5);

soaking fiber filaments in the flame-retardant coating in the step for 20-180 min, and then taking out and drying;

coating the water-based adhesive on the dried fiber yarns in the step II, drying the coated fiber yarns, and weaving the dried fiber yarns into cloth to obtain a base cloth layer;

and fourthly, pasting the waterproof layer on the periphery of the base cloth layer to obtain the required flame-retardant cloth.

5. The method for preparing a flame retardant fabric according to any one of claims 3 or 4, wherein: the mixing and stirring time is 30-45 min, and the mixing and stirring speed is 450-600 r/min; the drying temperature of the fiber filaments is 50-80 ℃, and the drying time is 5-20 min.

6. The method for preparing a flame retardant fabric according to any one of claims 3 or 4, wherein: the aerogel powder is any one of silicon dioxide aerogel powder, aluminum oxide aerogel powder, titanium dioxide aerogel powder and zirconium dioxide aerogel powder; the water-based high polymer coating is any one of water-based ethylene-vinyl acetate elastic coating, water-based organic silicon acrylic elastic coating, water-based acrylic elastic coating and water-based rubber emulsion.

7. The method for preparing a flame retardant fabric according to any one of claims 3 or 4, wherein: the flame retardant is one or more of a phosphorus-nitrogen flame retardant, an inorganic flame retardant, DOPO, decabromodiphenyl ether and decabromodiphenyl ethane, the inorganic flame retardant is any one of aluminum hydroxide, magnesium hydroxide, ammonium phosphate or zinc borate, and the phosphorus-nitrogen flame retardant is any one of ammonium polyphosphate, isopropylated triphenyl phosphate, melamine pyrophosphate and melamine cyanurate.

8. The method for preparing a flame retardant fabric according to any one of claims 3 or 4, wherein: the dispersing agent is any one of BYK-161, BYK-163 and BYK-2000; the coupling agent is any one of silane coupling agent, titanate coupling agent, aluminate coupling agent and borate coupling agent.

9. The method for preparing a flame retardant fabric according to any one of claims 3 or 4, wherein: the fiber yarn is any one of glass fiber, carbon fiber, polyester fiber, aramid fiber, fibrilia, spandex fiber, polyamide fiber, acrylic fiber, polypropylene fiber, vinylon fiber and polyvinyl chloride fiber; the water-based adhesive is any one of epoxy resin adhesive, acrylic acid adhesive, acrylate adhesive, EVA adhesive, polyester adhesive, polyether adhesive, polyurethane adhesive and polyurea adhesive.

10. The method for preparing a flame retardant fabric according to any one of claims 3 or 4, wherein: the fabric of the waterproof layer is any one of waterproof chemical fiber pongee, waterproof delustering nylon yarn, printed Terylene waterproof bath curtain cloth, waterproof nylon cotton canvas and waterproof camouflage oxford cloth.

The technical field is as follows:

the invention relates to a flame-retardant fabric and a preparation method thereof, and belongs to the technical field of flame-retardant fabrics.

Background art:

the fiber fabric is made by weaving, most of the fiber fabric is flammable due to the composition of the fiber fabric, even if the fiber fabric meets a few sparks, the fiber fabric is easy to catch fire or is partially burnt out, the surface of the fiber fabric is damaged if the fiber fabric is light, holes are formed if the fiber fabric is heavy, the use effect of the fiber fabric is seriously influenced, and the use of the fiber fabric is greatly limited if the flame resistance is not good. For example, untreated natural fabrics, cotton and flax, which burn quickly after being ignited, have a rapid spreading tendency, and also fabrics formed by blending natural fibers and synthetic fibers, such as polyester-cotton blends, are particularly troublesome, and have the characteristics of quick burning and spreading of natural fibers and easy melting of synthetic fibers.

In order to improve the flame retardant property of fabrics or fabrics, many fireproof flame retardant fabrics and fireproof garments have appeared in the prior art. At present, although some fireproof flame-retardant fabrics are available in the market, the fireproof flame-retardant fabrics are high in price, wear-resistant and air-impermeable, and even some fabrics are disposable flame-retardant fabrics, and the flame-retardant effect disappears or disappears after washing, so that the effect is not ideal. In addition, the fireproof flame-retardant material containing halogen elements generates a large amount of toxic gas after combustion, has large environmental pollution, brings great inconvenience to the popularization and the use of the fireproof flame-retardant fabric, and seriously hinders the development of the flame-retardant fabric. Therefore, the fireproof flame-retardant fabric with good effect and strong practicability still has the direction and trend of future development.

The invention content is as follows:

the technical problem to be solved by the invention is as follows: overcomes the defects in the prior art and provides a flame-retardant fabric and a preparation method thereof.

The technical scheme adopted by the invention for solving the technical problem is as follows:

the flame-retardant fabric sequentially comprises a base fabric layer, a water-based adhesive layer and a waterproof layer from inside to outside, wherein the base fabric layer comprises fiber yarns and flame-retardant coating, and the waterproof layer is made of waterproof fabric and is arranged on the outermost side of the structure; the flame-retardant coating consists of aerogel powder, a water-based high polymer coating and a flame retardant.

Preferably, the fiber yarn is any one of glass fiber yarn, carbon fiber yarn, polyester fiber yarn, aramid fiber yarn, hemp fiber yarn, spandex fiber yarn, polyamide fiber yarn, acrylic fiber yarn, polypropylene fiber yarn, vinylon fiber yarn and polyvinyl chloride fiber yarn; the water-based adhesive layer adopts a water-based adhesive, and the water-based adhesive is any one of an epoxy resin adhesive, an acrylic adhesive, an acrylate adhesive, an EVA adhesive, a polyester adhesive, a polyether adhesive, a polyurethane adhesive and a polyurea adhesive; the waterproof layer fabric is any one of waterproof chemical fiber pongee, waterproof delustering nylon yarn, printed Terylene waterproof bath curtain cloth, waterproof nylon cotton canvas and waterproof camouflage oxford cloth; the aerogel powder is any one of silicon dioxide aerogel powder, aluminum oxide aerogel powder, titanium dioxide aerogel powder and zirconium dioxide aerogel powder; the water-based high polymer coating is any one of water-based ethylene-vinyl acetate elastic coating, water-based organic silicon acrylic elastic coating, water-based acrylic elastic coating and water-based rubber emulsion; the flame retardant is one or more of a phosphorus-nitrogen flame retardant, an inorganic flame retardant, DOPO, decabromodiphenyl ether and decabromodiphenyl ethane, the inorganic flame retardant is any one of aluminum hydroxide, magnesium hydroxide, ammonium phosphate and zinc borate, and the phosphorus-nitrogen flame retardant is any one of ammonium polyphosphate, isopropylated triphenyl phosphate, melamine pyrophosphate and melamine cyanurate.

The preparation method of the flame-retardant fabric comprises the following specific steps:

the method comprises the steps of taking aerogel powder and water-based high polymer coating, placing the aerogel powder and the water-based high polymer coating in a stirrer, uniformly mixing, then sequentially adding a flame retardant, a dispersing agent and a coupling agent, and uniformly mixing and stirring to obtain the flame-retardant coating; wherein, the water-based high polymer coating comprises the following components in parts by mass: aerogel powder: flame retardant: dispersing agent: coupling agent = (30-60): (5-40): (10-20): (1-5): (1-5);

soaking fiber yarns in the flame-retardant coating in the step for 20-180 min;

thirdly, the fibers impregnated in the step II are taken out, dried and woven into cloth to obtain a base cloth layer;

and fourthly, coating a water-based adhesive on the periphery of the base cloth layer, and adhering a waterproof layer on the periphery of the base cloth layer when the adhesive is not dried to obtain the prepared flame-retardant fabric.

The other preparation method of the flame-retardant fabric comprises the following specific steps:

the method comprises the steps of taking aerogel powder and water-based high polymer coating, placing the aerogel powder and the water-based high polymer coating in a stirrer, uniformly mixing, then sequentially adding a flame retardant, a dispersing agent and a coupling agent, and uniformly mixing and stirring to obtain the flame-retardant coating; wherein, the water-based high polymer coating comprises the following components in parts by mass: aerogel powder: flame retardant: dispersing agent: coupling agent = (30-60): (5-40): (10-20): (1-5): (1-5);

soaking fiber filaments in the flame-retardant coating in the step for 20-180 min, and then taking out and drying;

coating the water-based adhesive on the dried fiber yarns in the step II, drying the coated fiber yarns, and weaving the dried fiber yarns into cloth to obtain a base cloth layer;

and fourthly, pasting the waterproof layer on the periphery of the base cloth layer to obtain the required flame-retardant cloth.

Preferably, the preparation method of the flame-retardant fabric is characterized by comprising the following steps: the mixing and stirring time is 30-45 min, and the mixing and stirring speed is 450-600 r/min; the drying temperature of the fiber filaments is 50-80 ℃, and the drying time is 5-20 min.

Preferably, the aerogel powder is any one of silicon dioxide aerogel powder, aluminum oxide aerogel powder, titanium dioxide aerogel powder and zirconium dioxide aerogel powder; the water-based high polymer coating is any one of water-based ethylene-vinyl acetate elastic coating, water-based organic silicon acrylic elastic coating, water-based acrylic elastic coating and water-based rubber emulsion.

Preferably, the flame retardant is one or more of a phosphorus-nitrogen flame retardant, an inorganic flame retardant, DOPO, decabromodiphenyl ether and decabromodiphenyl ethane, the inorganic flame retardant is any one of aluminum hydroxide, magnesium hydroxide, ammonium phosphate or zinc borate, and the phosphorus-nitrogen flame retardant is any one of ammonium polyphosphate, isopropylated triphenyl phosphate, melamine pyrophosphate and melamine cyanurate.

Preferably, the dispersant is any one of BYK-161, BYK-163 and BYK-2000; the coupling agent is any one of silane coupling agent, titanate coupling agent, aluminate coupling agent and borate coupling agent.

Preferably, the fiber yarn is any one of glass fiber, carbon fiber, polyester fiber, aramid fiber, hemp fiber, spandex fiber, polyamide fiber, acrylic fiber, polypropylene fiber, vinylon fiber and polyvinyl chloride fiber; the water-based adhesive is any one of epoxy resin adhesive, acrylic acid adhesive, acrylate adhesive, EVA adhesive, polyester adhesive, polyether adhesive, polyurethane adhesive and polyurea adhesive.

Preferably, the fabric of the waterproof layer is any one of waterproof chemical fiber pongee, waterproof delustering nylon yarn, printed Terylene waterproof bath curtain cloth, waterproof nylon cotton canvas and waterproof camouflage oxford.

The invention has the following beneficial effects:

1. according to the invention, the flame-retardant fiber is prepared into the base cloth layer by dipping the fiber into the flame-retardant coating to form the flame-retardant fiber, so that the flame-retardant property of the base cloth layer can be increased, and the aerogel powder is added into the flame-retardant coating, so that the flame-retardant property of the base cloth layer is increased and the heat-insulating property is also increased.

2. According to the invention, the base cloth layer is formed by coating the water-based adhesive on the outer side of the base cloth layer or coating the adhesive on the outer side of the fiber, and then weaving the fiber into cloth, and both the water-based adhesive and the base cloth layer form a film through the water-based adhesive to encapsulate the base cloth layer or the fiber, so that the conditions of cracking and falling of the flame retardant coating outside the fiber can be prevented, and the conditions of heat insulation, heat preservation and flame retardant property failure of the base cloth layer can be prevented.

3. According to the invention, the waterproof layer is adhered to the outer side of the structure, so that the cloth layer can be protected, the waterproof performance of the cloth can be improved, and the service life is prolonged.

Description of the drawings:

FIG. 1 is a schematic structural view of a flame retardant fabric according to the present invention;

in the figure, 1 is a base cloth layer, 2 is a water-based adhesive layer, and 3 is a waterproof layer.

The specific implementation mode is as follows:

the invention will be further explained and explained with reference to the drawings, in which: