Preparation method for non-halogen smoke suppressing fire-retardant polyester fiber non-woven fabric

A technology of non-woven fabrics and flame-retardant polyester, which is applied in fiber processing, fiber types, textiles and papermaking, etc., and can solve problems such as unfavorable labor protection for operators, high halogen content in flame retardants, and difficulty in meeting halogen-free requirements. , to achieve the effect of low cost, less three wastes and convenient operation

Inactive Publication Date: 2009-11-11
XUSEN NON HALOGEN SMOKE SUPPRESSING FIRE RESTARDANTS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But the shortcoming of this method is: (1) has used phosphorus oxychloride compound, is highly toxic, is not conducive to environmental protection, is also unfavorable for the labor protection of operator; (2) very high to the requirement of production equipment; (3) resistance The content of halogen (chlorine element) in the fuel is high, it is not easy to remove, and it will be difficult to meet the requirements of halogen-free
But the shortcoming of this method is: (1) has used phosphorus oxychloride compound, is highly toxic, is not conducive to environmental protection, is also unfavorable for the labor protection of operator; (2) very high to the requirement of production equipment; (3) resistance The content of halogen (chlorine element) in the fuel is high, it is not easy to remove, and it will be difficult to meet the requirements of halogen-free
But the shortcoming of this method is: (1) has used phosphorus oxychloride compound, is highly toxic, is not conducive to environmental protection, is also unfavorable for the labor protection of operator; (2) very high to the requirement of production equipment; (3) resistance The content of halogen (chlorine element) in the fuel is high, it is not easy to remove, and it will be difficult to meet the requirements of halogen-free

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026]Put 132 grams (1 mol) of hydrogen phosphate diamine, 142 grams (1 mol) of phosphorus pentoxide and 13.2 grams (0.1 mol) of ammonium sulfate catalyst into the reactor, stir, heat to 220°C, and slowly pass the liquid Ammonia (25 liters in total), heated to 280°C-300°C, reacted for 6 hours, vacuum discharged into another reactor, added 14.2 g of 2,2-bis[4-(4-maleimide group) Phenoxy)phenyl]propane, 68g (0.5mol) of pentaerythritol and 63g (0.5mol) of melamine, stir and mix evenly at a temperature of 25℃-50℃ to obtain a non-halogen smoke suppressant for nonwovens Burning agent.

[0027] Put the above flame retardant powder into a sand mill, add 280 grams of deionized water and sand for 2-3 hours to obtain a homogeneous slurry, then add 800 grams of water-based acrylic emulsion (solid content 45%), mix well at high speed, That is, a non-halogen anti-smoke flame retardant slurry for non-woven fabrics is obtained.

[0028] Roll coating the above-mentioned slurry on a nonwoven fabric...

Embodiment 2

[0031] Put 132 grams (1 mol) of hydrogen phosphate diamine, 127.8 grams (0.9 mol) of phosphorus pentoxide and 69 grams (0.6 mol) of ammonium hydrogen sulfate catalyst into the reactor, stir, heat up to 220 ℃, slowly pass Liquid ammonia (27 liters in total), heated to 280°C-300°C for 8 hours, vacuum discharge to another reactor, add 13.8 g 4,4'-bis(maleimido)diphenyl Methane, 108.8 grams (0.8 moles) of pentaerythritol and 113.4 grams (0.9 moles) of melamine are stirred and mixed uniformly at a temperature of 25° C.-50° C. to obtain a non-halogen smoke suppressant flame retardant for non-woven fabrics.

[0032] Put the above flame retardant powder into a sand mill, add 255.6 grams of deionized water, sand for 2-3 hours to obtain a homogeneous slurry, add 852 grams of water-based polyurethane emulsion (solid content 35%), mix well at high speed, That is, a non-halogen anti-smoke flame retardant slurry for non-woven fabrics is obtained.

[0033] Roll coating the above-mentioned slurry...

Embodiment 3

[0036] Put 132 grams (1 mole) of hydrogen phosphate diamine, 170.4 grams (1.2 moles) of phosphorus pentoxide and 34.5 grams (0.3 moles) of ammonium sulfate catalyst into the reaction kettle, stir, heat to 220°C, and slowly pass through the liquid Ammonia (24 liters in total), heated to 280°C-300°C, reacted for 4 hours, vacuum discharge to another reactor, add 25.5 g 4,4'-bis(maleimido)diphenylmethane , 54.4 grams (0.4 moles) of pentaerythritol and 37.8 grams (0.3 moles) of melamine are stirred and mixed uniformly at a temperature of 25°C-50°C to obtain a non-halogen smoke-eliminating flame retardant for non-woven fabrics.

[0037] Put the above flame retardant powder into a sand mill, add 170.4 grams of deionized water, sand for 2-3 hours to obtain a homogeneous slurry, add 213 grams of aqueous ethylene-vinyl acetate emulsion (solid content 50%), Mix uniformly at high speed to obtain a non-halogen anti-smoke flame retardant slurry for non-woven fabrics.

[0038] Roll coating the a...

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Abstract

The invention relates to a preparation method for non-halogen smoke suppressing fire-retardant polyester fiber non-woven fabric, which comprises the following steps: mixing ammonium dibasic phosphate and phosphorus pentoxide according to the molar ratio of 1:0.9-1.2; adding a catalyst, stirring the mixture, heating the mixture and raising the temperature; introducing liquid ammonia, and carrying out vacuum discharging; adding polyatomic alcohol, bimaleimide and melamine, and mixing the mixture evenly to obtain a non-halogen smoke suppressing fire retardant for non-woven fabric; adding deionized water, sanding the mixture, adding an emulsion of an adhesive into the mixture, mixing the mixture to obtain grout of the fire retardant; and roller coating the grout on polyester fiber non-woven fabric, and padding and baking the coated polyester fiber non-woven fabric to obtain the non-halogen smoke suppressing fire-retardant polyester fiber non-woven fabric. The preparation process has simplicity, low cost, convenient operation, convenient source of reaction raw materials, few three wastes and environment friendliness, can complete the preparation process in universal equipment, and is favorable for realizing industrialized production; and the horizontal burning rate of the fire retardant is 10 to 20 mm / min, completely reaches and even exceeds the standard value, and the fire retardant has obvious retardant effect and good application prospect.

Description

Technical field [0001] The invention belongs to the preparation field of polyester fiber non-woven fabrics, and particularly relates to a method for preparing non-halogen smoke-eliminating flame-retardant polyester fiber non-woven fabrics. Background technique [0002] With the development of the automobile industry and people’s increasing attention to safety performance, the flame-retardant performance requirements of automotive interior materials are becoming higher and higher. Only flame-retardant polypropylene, flame-retardant polyester or flame-retardant polyester are used. Propylene non-woven materials and polyester non-woven materials with flame-retardant finishing can meet the requirements. [0003] Automotive materials include car carpets, cabin liners, carpet backing, door trim panel fabrics, fenders, front flap linings, rear hatch cover trims, rear sun panels, seat covers, roof materials, Anti-slip mats, foam reinforcement materials, heat insulation boards between the ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M13/44D06M101/32
Inventor 虞鑫海张怀礼李四新
Owner XUSEN NON HALOGEN SMOKE SUPPRESSING FIRE RESTARDANTS
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