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Dyeing accelerant capable of improving dyeing performance of cotton fabrics

A technology of dyeing performance and dyeing accelerator, applied in the field of research and development of new materials, can solve the problems of aggravated dye hydrolysis, resource waste, sewage discharge, etc., and achieve the effects of improving fiber affinity, reducing costs, and simplifying the process

Inactive Publication Date: 2020-01-03
安徽竞秀纺织有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the limitations of the cotton fabric itself, there are always some disadvantages after dyeing, that is, the color is easy to fade during the process of wearing or washing.
At present, the dyeing of cotton fabric products is mainly based on reactive dyes, but reactive dyes need to add organic surfactants and auxiliaries in the dyeing process, and consume a lot of water during the dyeing process, which will aggravate the hydrolysis of dyes, resulting in waste of resources. The important thing is that there will be a lot of sewage discharge problems

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of dyeing accelerator that improves cotton fabric dyeing performance, described dyeing accelerator is added in reactive dye diluent and uses, and its preparation method comprises the following steps:

[0021] (1) Weigh 24ml of copper sulfate solution and place it in a beaker, add 60ml of sodium hydroxide solution, disperse with magnetic stirring for 30 minutes, heat up to 45°C, add 20ml of water glass, heat in a water bath to 60°C, and stir magnetically for 40 minutes , let it stand for 4 hours, use phosphate buffer to adjust the pH value of the system between 9.0-9.2, wash with ethanol and deionized water three times in sequence, dry in a vacuum oven at 70°C for 15 hours, and send it to a muffle furnace for calcination For 2 hours, the calcination temperature is 330°C, cool naturally after calcination, and grind into powder for later use;

[0022] (2) Weigh 1.5 grams of cerium oxide powder and place it in a beaker, add 20 ml of hydrochloric acid-n-butanol aqueou...

Embodiment 2

[0032] A kind of dyeing accelerator that improves cotton fabric dyeing performance, described dyeing accelerator is added in reactive dye diluent and uses, and its preparation method comprises the following steps:

[0033] (1) Weigh 26ml of copper sulfate solution and place it in a beaker, add 62ml of sodium hydroxide solution, disperse with magnetic stirring for 35 minutes, heat up to 48°C, add 25ml of water glass, heat in a water bath to 65°C, and stir magnetically for 45 minutes , let it stand for 4.5 hours, use phosphate buffer to adjust the pH value of the system between 9.0-9.2, wash with ethanol and deionized water for 4 times, dry in a vacuum oven at 75°C for 18 hours, and send it to a muffle furnace for calcination 2.5 hours, calcined at 335°C, cooled naturally after calcined, ground into powder for later use;

[0034] (2) Weigh 1.55 g of cerium oxide powder and place it in a beaker, add 22 ml of hydrochloric acid-n-butanol aqueous solution to the beaker, stir mechani...

Embodiment 3

[0044] A kind of dyeing accelerator that improves cotton fabric dyeing performance, described dyeing accelerator is added in reactive dye diluent and uses, and its preparation method comprises the following steps:

[0045] (1) Weigh 28ml of copper sulfate solution and place it in a beaker, add 65ml of sodium hydroxide solution, stir magnetically to disperse for 40 minutes, heat up to 50°C, add 30ml of water glass, heat in a water bath to 70°C, and stir magnetically for 50 minutes , let it stand for 5 hours, use phosphate buffer to adjust the pH value of the system between 9.0-9.2, wash with ethanol and deionized water for 5 times, dry in a vacuum oven at 80°C for 20 hours, and send it to a muffle furnace for calcination 3 hours, the calcination temperature is 340°C, after calcination, it is naturally cooled, and ground into powder for later use;

[0046] (2) Weigh 1.6 g of cerium oxide powder and place it in a beaker, add 24 ml of hydrochloric acid-n-butanol aqueous solution t...

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 the technical field of novel material research, development and preparation and discloses a dyeing accelerant capable of improving dyeing performance of cotton fabrics. The prepared dyeing accelerant is added into reactive dye diluent to realize dyeing treatment of the cotton fabrics and capable of reducing surface tension of wood in contact with dyes; the dyeing accelerant is high in chemical activity and capable of increasing the degree of freedom of active groups in dye molecules, reducing electrostatic repulsive force and promoting reactive dyes and cotton fabric fibers to form reaction covalent bonds; high leveling performance is achieved, dye hue can be kept, prominent light stability and heat stability are achieved after dyeing, color brightness is guaranteed, and excellent light fastness, fastness to wet rubbing and fastness to sunlight are achieved; besides, water resistance of dyes can be improved, and high fastness to washing and scrubbing is realized.

Description

technical field [0001] The invention belongs to the technical field of research and development and preparation of new materials, and in particular relates to a dyeing accelerator for improving the dyeing performance of cotton fabrics. Background technique [0002] With the improvement of people's living standards, more and more attention is paid to the quality of clothing materials, and cotton fabric products on the market have always been one of the most popular choices; cotton fabric, also known as cotton cloth, is a fabric woven from cotton yarn . Cotton fabric has become one of the most commonly used fabrics due to its excellent wearability, and is widely used in clothing fabrics, decorative fabrics and industrial fabrics. Cotton is the most popular clothing and home textile fabric. Versatile, soft, breathable, moisture-wicking, year-round comfort, performance, and durability are just a few of the many qualities that make cotton cloth so popular. [0003] Due to the ...

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 Applications(China)
IPC IPC(8): D06P1/673D06P3/66D06P1/38
CPCD06P1/38D06P1/67383D06P1/67391D06P3/66
Inventor 王珂
Owner 安徽竞秀纺织有限公司
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