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Biomass-based environment-friendly washable flame retardant PD flame-retardant finished fabric and preparation method thereof

A technology of flame retardant finishing and flame retardant, applied in the preparation of organic compounds, flame retardant fibers, chemical instruments and methods, etc., can solve the problems of non-washable flame retardant effect, release harmful gas, etc., and achieve fabric whiteness And the effect of small breaking strength, mild conditions and good char formation

Pending Publication Date: 2021-08-31
ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of biomass-based environment-friendly flame retardant PD agent flame retardant finishing fabric and its preparation method, to solve the traditional flame retardants proposed in the above background technology generally have harmful gas release, flame retardant effect is not washable, etc. question

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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  • Biomass-based environment-friendly washable flame retardant PD flame-retardant finished fabric and preparation method thereof
  • Biomass-based environment-friendly washable flame retardant PD flame-retardant finished fabric and preparation method thereof
  • Biomass-based environment-friendly washable flame retardant PD flame-retardant finished fabric and preparation method thereof

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Embodiment

[0037] see Figure 1-10 , the present invention provides a technical solution:

[0038] A preparation method of a biomass-based environmentally friendly flame retardant PD agent flame-retardant finishing fabric, the specific steps of the preparation method of the biomass-based environmentally friendly flame retardant PD are as follows:

[0039] S1: Add 0.1 mol of phytic acid aqueous solution and 0.6 mol of dicyandiamide to a 250 ml three-necked flask in sequence to obtain a mixed reaction solution;

[0040] S2: heating the mixed reaction liquid obtained in step S1 to 130° C. under magnetic stirring, condensing and refluxing for 2 hours to obtain a light yellow transparent viscous crude product liquid;

[0041] S3: Precipitate the crude product liquid in step S2 with absolute ethanol and acetone, suction filter, wash, remove unreacted reactants, and dry with a freeze dryer at -50°C and 8pa to obtain a white solid flame retardant PD .

[0042] A biomass-based environmentally ...

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 belongs to the technical field of environmental protection and flame retardance, and particularly relates to a biomass-based environment-friendly flame retardant PD flame-retardant finished pure cotton fabric and a preparation method thereof. The raw materials of the biomass-based environment-friendly flame retardant PD flame-retardant finished fabric are prepared from a flame retardant PD and a cotton fiber fabric; the flame retardant PD is synthesized by reacting biomass phytic acid and dicyandiamide; and the PD flame-retardant finished fabric is obtained by rolling and baking a flame retardant PD and the cotton fiber fabric. The synthesis method is simple, environment-friendly and pollution-free, and EDS and infrared analysis test results show that PD is a multi-active phosphorus-nitrogen flame retardant; the fabric subjected to PD flame-retardant finishing has better thermal stability and char forming property, and PD has a phosphorus-nitrogen synergistic flame-retardant effect, is excellent in flame-retardant property and better in washability, and can be used as an environment-friendly washable flame retardant for pure cotton fabrics; and PD flame-retardant finishing has small influence on the whiteness and breaking strength of the fabric.

Description

technical field [0001] The invention relates to the technical field of environment-friendly flame retardants, in particular to a kind of biomass-based environment-friendly flame retardant PD flame-retardant finishing fabric and a preparation method thereof. Background technique [0002] Pure cotton fabric has excellent wearing performance and is an important textile fabric favored by consumers. However, cotton fibers are flammable, and the limiting oxygen index is only 18.3%, so highly flammable cotton fabrics have potential safety hazards for consumers. [0003] Commonly used elements for flame retardant effect are: phosphorus, nitrogen, halogen, boron, silicon, sulfur, aluminum, magnesium, etc. At present, the commonly used flame retardants are mainly phosphorus-based compounds and halogen-containing halides. Halides are effective flame retardants, but the combustion of such flame retardants will release harmful and corrosive gases such as hydrogen halides, endangering p...

Claims

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Application Information

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IPC IPC(8): D06M13/292D06M13/432C07F9/117C07C277/08C07C279/12D06M101/06
CPCD06M13/292D06M13/432C07F9/117C07C277/08D06M2101/06D06M2200/30C07C279/12
Inventor 张广知方进张骏霆
Owner ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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