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Preparation method of flame-retardant cotton fabric

A flame retardant cotton and cotton fabric technology, applied in flame retardant fibers, plant fibers, textiles and papermaking, etc., can solve problems such as poor washing resistance, achieve high flame retardant efficiency, improve application scope, and low processing costs. Effect

Active Publication Date: 2022-06-28
NORTHEAST FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The methods for preparing flame-retardant cotton fabrics include pad-drying, sol-gel, layer-by-layer assembly, and nano-adsorption. Most of them introduce flame retardants into cotton fabrics through physical adsorption or formation of weak covalent bonds, and the prepared flame-retardant cotton fabrics Most of them have the disadvantage of poor washing resistance

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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  • Preparation method of flame-retardant cotton fabric
  • Preparation method of flame-retardant cotton fabric
  • Preparation method of flame-retardant cotton fabric

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A preparation method of flame retardant cotton fabric, comprising the following steps:

[0029] (1) Preparation of ammonium polyphosphate-aluminum hydroxide composite:

[0030] 1) 50g of ammonium polyphosphate was added to ethanol to form a suspension, which was transferred to a three-necked flask equipped with a stirring magnet and a condenser;

[0031] 2) Dissolve 2.00g of anhydrous aluminum chloride powder with 10mL of deionized water, slowly add it to the flask, and stir for 20min until it is completely uniform;

[0032] 3) Slowly add 5 mL of ammonia water and continue stirring until the pH value of the solution is 8, and let it settle for 2 hours in a constant temperature water bath at 60 °C;

[0033] 4) carrying out suction filtration and washing of the precipitated product, and pulverizing it into powder after drying;

[0034] (2) Preparation of flame retardant solution:

[0035] Weigh 0.9 part of ammonium polyphosphate-aluminum hydroxide composite, 45 parts o...

Embodiment 2

[0042] The difference between Example 2 and Example 1 is that the ammonium polyphosphate-aluminum hydroxide compound added in the preparation of the flame retardant solution is 0.675 parts by mass. The preparation method of Example 2 is the same as that of Example 1.

Embodiment 3

[0044] The difference between Example 3 and Example 1 is that the ammonium polyphosphate-aluminum hydroxide compound added in the preparation of the flame retardant solution is 0.45 parts by mass. The preparation method of Example 3 is the same as that of Example 1.

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Abstract

The invention discloses a preparation method of a flame-retardant cotton fabric, and relates to the technical field of flame retardance of biomass materials, and the preparation method comprises the following steps: (1) preparing an ammonium polyphosphate-aluminum hydroxide compound; (2) preparing a flame retardant solution; (3) pretreatment of the cotton fabric; and (4) dipping and flame-retardant treatment of the cotton fabric. Compared with the prior art, the preparation method of the flame-retardant cotton fabric, provided by the invention, has the advantages that the process is simple and convenient, the used flame-retardant smoke suppressant is few in variety, small in addition amount and relatively low in treatment cost, the flame-retardant efficiency on the cotton fabric is high, the flame retardance of the cotton fabric is improved, and meanwhile, the influence on other properties of the fabric is relatively small; therefore, the application range of the cotton fabric is widened, and the flame-retardant cotton fabric prepared by the method is suitable for the fields with strict flame-retardant requirements, such as furniture and indoor building decoration.

Description

technical field [0001] The invention belongs to the technical field of flame retardancy of biomass materials, and in particular relates to a preparation method of a flame retardant cotton fabric. Background technique [0002] As a common natural fiber, cotton fiber has been used for thousands of years. The textiles produced by it have the characteristics of soft hand, breathable moisture absorption, warmth and wear resistance, etc. Favored by the industry. However, the limiting oxygen index (LOI) of cotton fabric is only about 18%, and it will burn violently when encountering an open flame in the air. It is a common flammable material and severely limits the application of flame-retardant cotton fibers. And with the continuous improvement of people's living and consumption level, consumers have higher and higher requirements for textiles, and flame retardant performance has received more and more attention as an important safety indicator of textiles. The halogen-free flam...

Claims

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Application Information

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IPC IPC(8): D06M11/45D06M11/72D06M11/79D06M13/432D06M101/06
CPCD06M11/72D06M11/45D06M11/79D06M13/432D06M2101/06D06M2200/30
Inventor 王奉强吴赫赫赵沅吉房轶群康磊张毓敏郑欣悦
Owner NORTHEAST FORESTRY UNIVERSITY
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