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A kind of durable flame-retardant low-smoke polyester fabric and preparation method thereof

A polyester fabric, durable flame-retardant technology, applied in the field of durable flame-retardant low-smoke polyester fabric and its preparation, can solve the problems of high fire risk, large smoke release, poor washing resistance, etc., to reduce the experimental process, molecular The effect of increased exercise and increased specific surface area

Active Publication Date: 2022-03-11
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese invention patent CN103696267A discloses a novel flame retardant finishing method for polyester fabrics, which uses ammonium polyphosphate as a flame retardant and polytetrafluoroethylene as an anti-melt dripping agent, but ammonium polyphosphate and polyester fibers are combined by van der Waals force, and the washing resistance is improved. Poor, and the finishing process is complicated, which makes the feel of polyester fabrics worse
Chinese invention patent CN 108797112A discloses a durable flame-retardant textile, which uses the similar compatibility of cyclic phosphates to produce a durable flame-retardant polyester fabric. The flame-retardant polyester fabric has a good feel, but the smoke release is extremely large, which is a fire hazard. more sexual

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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  • A kind of durable flame-retardant low-smoke polyester fabric and preparation method thereof
  • A kind of durable flame-retardant low-smoke polyester fabric and preparation method thereof
  • A kind of durable flame-retardant low-smoke polyester fabric and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A durable flame-retardant low-smoke recycled polyester fabric and a preparation method thereof, the specific steps are as follows:

[0030] (1) Preparation of nano-magnesium hydroxide: Add 0.1g Tween 80 into 200mL (1.5mol / L) magnesium chloride solution, completely dissolve and evenly disperse in the solution, place it in the dropping funnel A; take 200mL ( 1.5mol / L) sodium hydroxide solution was placed in the dropping funnel B; the above-mentioned magnesium chloride solution and sodium hydroxide solution were added dropwise to 50mL (0.75mol / L) sodium chloride lining at a rate of 3.3mL / min. In the bottom solution, while maintaining the speed of 1200r / min, the temperature of the water bath is 60°C. After the reaction is complete, it is centrifuged and washed until no chlorine ions are detected, and then vacuum-dried at 60°C for 6 hours to obtain white nano-magnesium hydroxide.

[0031] (2) configure the finishing solution: the nano-magnesium hydroxide and FRC-1 obtained i...

Embodiment 2

[0036] A durable flame-retardant low-smoke primary polyester fabric and a preparation method thereof, the specific steps are as follows:

[0037] (1) Preparation of nano-magnesium hydroxide: Add 0.1g oleic acid into 200mL (1.5mol / L) magnesium chloride solution, completely dissolve and evenly disperse in the solution, then place it in the dropping funnel A; take 200mL (4.5 mol / L) sodium hydroxide solution is placed in dropping funnel B; With the dropping speed of 3.3mL / min, above-mentioned magnesium chloride solution and sodium hydroxide solution are added dropwise to 50mL (0.75mol / L) sodium chloride substrate simultaneously In the solution, while maintaining the speed of 1200r / min, the temperature of the water bath is 70°C. After the reaction is complete, it is centrifuged and washed until no chlorine ions are detected, and then vacuum-dried at 60°C for 6 hours to obtain white nano-magnesium hydroxide.

[0038] (2) Configure the finishing solution: the nano-magnesium hydroxide...

Embodiment 3

[0041] A durable flame-retardant low-smoke primary polyester fabric and a preparation method thereof, the specific steps are as follows:

[0042] (1) Preparation of nano-magnesium hydroxide: 0.1g sulfo-salicylic acid is added in 200mL (1.5mol / L) magnesium chloride solution, after completely dissolving and uniformly dispersed in the solution, it is placed in the dropping funnel A; 200mL (3mol / L) sodium hydroxide solution is placed in dropping funnel B; With the dropping rate of 3.3mL / min, above-mentioned magnesium chloride solution and sodium hydroxide solution are added dropwise to 50mL (0.75mol / L) sodium chloride solution simultaneously In the substrate solution, while maintaining the rotational speed of 1200r / min, the temperature of the water bath is 80°C. After the reaction is complete, it is centrifuged and washed until no chlorine ions are detected, and then vacuum-dried at 60°C for 6 hours to obtain white nano-magnesium hydroxide.

[0043] (2) Configure the finishing sol...

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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Abstract

The invention relates to a durable flame-retardant low-smoke polyester fabric and a preparation method thereof, belonging to the technical field of textile finishing. The present invention adopts post-finishing method to process and arrange the surface of polyester fabric, and by means of high-temperature and high-pressure impregnation method, the polyester fiber is expanded, the surface pores are increased, the specific surface area is increased, the molecular movement is intensified, and the cyclic phosphate ester and inorganic nano-particle flame retardant At the same time, it enters the interior of the polyester fabric, and after returning to normal temperature, the flame retardant can be firmly wrapped inside the polyester fabric, making the flame-retardant polyester durable and flame-retardant and smoke-suppressive. In the preparation method of the invention, the flame retardant and smoke suppression can be completed in one step, the production steps are reduced, the flame retardant and smoke suppression effects are good, and at the same time, it has durability and is convenient for industrialized production.

Description

technical field [0001] The invention relates to the technical field of textile finishing, in particular to a durable flame-retardant low-smoke polyester fabric and a preparation method thereof. Background technique [0002] Due to its symmetrical benzene ring macromolecule and rigid conjugated structure, polyester fabric has high strength, high modulus and excellent chemical stability, making it widely used in clothing, industry and decoration. The demand for polyester has grown rapidly over the past few decades. Among them, polyester has poor flame retardancy and is easy to melt due to its high crystallinity. The need for flame-retardant polyester is imminent. There are no reactive groups on the surface of polyester fabrics, which makes it deviate in the fastness of general flame-retardant finishing. Therefore, finding a simple and effective flame retardant has always been the goal of human beings. In the last century, a cyclic phosphate polyester flame retardant was suc...

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 Patents(China)
IPC IPC(8): D06M11/44D06M11/45D06M13/292D06M101/32
CPCD06M13/292D06M11/44D06M11/45D06M2101/32D06M2200/30
Inventor 关晋平张晨程献伟陈国强
Owner SUZHOU UNIV
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