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Method for preparing imvite-phosphorus synergistic flame retardant for cotton fabrics

A synergistic flame retardant and montmorillonite technology, applied in the fields of plant fibers, textiles and papermaking, fiber processing, etc., can solve the problems of corrosion of processing equipment, a lot of smoke, secondary pollution, etc., and achieve improved flame retardant performance, strength and The effect of little change in whiteness

Inactive Publication Date: 2013-01-30
SHAANXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the flame retardant will release a large amount of harmful gases during finishing, such as HCl, HBr, and hydrogen halide gas, which can easily absorb moisture in the air to form hydrohalic acid, which has a strong corrosive effect, easily causes secondary pollution, and produces a large amount of smoke , which is highly corrosive to processing equipment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] (1) Synthesis of polymer intercalation agent

[0017] A 250ml three-necked flask is equipped with a stirring and condensing device, put it in a water bath at 80°C, add 90g of diallyldimethylammonium chloride, and the speed is 300r / min, weigh 3.6g of potassium persulfate and dissolve it in 50.4g In distilled water, add 2 / 3 potassium persulfate solution into the three-necked flask, react for 15 minutes, add 1 / 6 potassium persulfate solution and 3.0 g of allyl glycidyl ether, react for 15 minutes, then add 1 / 6 Potassium persulfate solution and 3.0 g of allyl glycidyl ether were incubated for 4 hours, cooled naturally, and discharged to obtain a polymer intercalation agent.

[0018] (2) Preparation method of montmorillonite-phosphorus synergistic flame retardant

[0019] A 250ml three-necked flask is equipped with a stirring and condensing device. Add 93.18g of distilled water into the three-necked flask, add 5g of sodium-based montmorillonite at a speed of 300r / min, stir ...

Embodiment 2

[0021] (1) Synthesis of polymer intercalation agent

[0022] A 250ml three-necked flask is equipped with a stirring and condensing device, put it in a water bath at 80°C, add 99g of diallyldimethylammonium chloride, and the speed is 400r / min, weigh 3.6g of potassium persulfate and dissolve it in 46.8 g of distilled water, add 2 / 3 potassium persulfate solution into a three-necked flask, react for 20 minutes, add 1 / 6 potassium persulfate solution and 0.3 g of allyl glycidyl ether, react for 20 minutes, then add 1 / 6 6 potassium persulfate solution and 0.3 g of allyl glycidyl ether, heat preservation reaction for 4 hours, cooled naturally, and discharged to obtain a polymer intercalation agent.

[0023] (2) Preparation method of montmorillonite-phosphorus synergistic flame retardant

[0024] A 250ml three-necked flask is equipped with a stirring and condensing device. Add 98.64g of distilled water to the three-necked flask, add 1g of sodium-based montmorillonite at a speed of 300...

Embodiment 3

[0026] (1) Synthesis of polymer intercalation agent

[0027] A 250ml three-necked flask is equipped with a stirring and condensing device, put it in a water bath at 80°C, add 92g of diallyldimethylammonium chloride, and the speed is 350r / min, weigh 3.6g of potassium persulfate and dissolve it in 49.6 g of distilled water, add 2 / 3 potassium persulfate solution into a three-necked flask, react for 15 minutes, add 1 / 6 potassium persulfate solution and 2.4 g of allyl glycidyl ether, react for 15 minutes, then add 1 / 6 6 potassium persulfate solution and 2.4 g of allyl glycidyl ether, heat preservation reaction for 4 hours, cooled naturally, and discharged to obtain a polymer intercalation agent.

[0028] (2) Preparation method of montmorillonite-phosphorus synergistic flame retardant

[0029] A 250ml three-necked flask is equipped with a stirring and condensing device. Add 95.91 l of distilled water into the three-necked flask, add 3g of sodium-based montmorillonite at a speed of ...

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Abstract

The invention relates to a method for preparing an imvite-phosphorus synergistic flame retardant for cotton fabrics. A halogen-containing flame retardant is few in addition volume and obvious in flame-retardant effect, but the flame retardant releases a large amount of harmful gas such as HCL and HBr during the arrangement of the fabrics and has a high corrosive effect. The imvite-phosphorus synergistic flame retardant is a halogen-free, low-toxicity, low-smoke and high-performance flame retardant material. The method comprises the following steps of: synthesizing a polymer containing cation quaternary ammonium salt and epoxy groups; and modifying imvite by the polymer serving as an intercalator through cation, and reacting with 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide by the epoxy groups to synthesize the imvite-phosphorus synergistic flame retardant. The imvite-phosphorus synergistic flame retardant is applied to the flame-retardant arrangement of the cotton fabrics. Compared with the cotton fabrics which are not subjected to the flame-retardant arrangement, the cotton fabrics which are subjected to the flame-retardant arrangement have the advantages that the change of brute force and whiteness is small, and the flame-retardant property is improved. The strength loss rate of the cotton fabrics is -1 to -5 percent, a whiteness value is 74.34 to 75.29, and an oxygen index is more than 22 percent.

Description

Technical field: [0001] The invention relates to a preparation method of a flame retardant for fabrics, in particular to a preparation method of a montmorillonite-phosphorus synergistic flame retardant for cotton fabrics. Background technique: [0002] In recent years, fires caused by textiles have been on the rise. How to reduce the danger of textile combustion, reduce the release of toxic and harmful gases when textiles are burned, and the safety and loss of life and property have attracted widespread attention and attention from all over the world. Cotton fabric has excellent moisture absorption, breathability, dyeability and ecological relevance, and is widely used in textiles, clothing, bedding and decorative fabrics, and is an irreplaceable textile; but cotton fiber is a flammable fiber. Therefore, it is of great significance to carry out flame-retardant finishing on cotton fabrics. [0003] Halogenated flame retardants are currently the most produced flame retardant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06M11/79D06M13/285D06M15/356C08F226/02C08F224/00C08F4/30D06M101/06
Inventor 高党鸽马建中陈琛吕斌田芬
Owner SHAANXI UNIV OF SCI & TECH
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