Method for preparing durable flame-proof cotton fabric

A durable flame retardant, cotton fabric technology, used in plant fibers, textiles and papermaking, fiber processing, etc., can solve problems such as fire accidents, and achieve the best flame retardant effect, small physical and mechanical properties, and a wide range of sources.

Inactive Publication Date: 2009-04-22
DONGHUA UNIV
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AI-Extracted Technical Summary

Problems solved by technology

[0002] Cotton fabric is widely welcomed and accepted by people because of its excellent physical and mechanical properties, good hygroscopicity, comfortable wearing, and wide range of sources. However, cotton fiber is a fla...
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 method for preparing durable flame retardant cotton fabrics, which comprises the following steps: firstly, preparation of a finishing liquid, namely amino-methylphosphonate DAMP, a silane coupling agent gamma-glycidyl oxyl propyl trimethyl silicane and running water are uniformly mixed, and the pH value of the mixture is adjusted to between 3 and 7 by a finishing liquid pH regulator to obtain the finishing liquid; secondly, flame retardant finishing of the cotton fabrics, namely the cotton fabrics are immersed into the finishing liquid for 20 minutes at a temperature of 40 DEG C, padded until the liquid rate is between 75 and 80 percent, dried for 3 minutes at a temperature of between 80 and 100 DEG C, and roasted for 3 minutes at a temperature of between 150 and 180 DEG C; and thirdly, testing of the flame retardant property and the durability of the cotton fabrics after finishing. The method for preparing the flame retardant cotton fabrics has the advantages that raw materials have wide sources; the prepared cotton fabrics have good durability and flame retardant property; and the method has small influence on physical and mechanical properties of the cotton fabrics.

Application Domain

Vegetal fibres

Technology Topic

ChemistrySilane coupling +4

Image

  • Method for preparing durable flame-proof cotton fabric
  • Method for preparing durable flame-proof cotton fabric
  • Method for preparing durable flame-proof cotton fabric

Examples

  • Experimental program(6)

Example Embodiment

[0023] Example 1
[0024] The amount of amino methyl phosphonate (DAMP) was 150 g/L, and the amount of GPTMS was 40 g/L. The pH of the finishing solution was adjusted to 4.0 with acetic acid to prepare the flame retardant finishing solution. The cotton fabric is immersed in the above-mentioned finishing solution, and immersed at 40°C for 20 minutes, one dipping and one rolling, and the liquid rate is 75%. Then dry at 100℃ for 3min, 165℃for 3min, flame-retardant cotton fabric can be made, according to the specified flame-retardant test standard, flame-retardant performance: continuous burning time 0s, smoldering time 0s, damaged charcoal length 11.5 cm.

Example Embodiment

[0025] Example 2
[0026] The amount of amino methyl phosphonate (DAMP) was 300 g/L, and the amount of GPTMS was 40 g/L. The pH of the finishing solution was adjusted to 4.0 with acetic acid to prepare the flame retardant finishing solution. The cotton fabric is immersed in the above-mentioned finishing solution, and immersed at 40°C for 20 minutes, one dipping and one rolling, and the liquid rate is 75%. Then dry at 100℃ for 3min, 165℃for 3min, flame-retardant cotton fabric can be made, according to the specified flame-retardant test standard, flame-retardant performance: continuous burning time 0s, smoldering time 0s, damaged charcoal length 9.2 cm.

Example Embodiment

[0027] Example 3
[0028] The amount of amino methyl phosphonate (DAMP) was 300 g/L, and the amount of GPTMS was 10 g/L. The pH of the finishing solution was adjusted to 4.0 with acetic acid to prepare the flame retardant finishing solution. The cotton fabric is immersed in the above-mentioned finishing solution, and immersed at 40°C for 20 minutes, one dipping and one rolling, and the liquid rate is 75%. Then dry at 100℃ for 3min, 165℃for 3min, flame-retardant cotton fabric can be made, according to the specified flame-retardant test standard, flame-retardant performance: continuous burning time 0s, smoldering time 0s, damaged charcoal length 9.6 cm; flame retardant performance after 10 washings: continued burning time 0s, smoldering time 0s, damaged charcoal length 15.4cm.
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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Description & Claims & Application Information

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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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