Pure cotton active salt-free dyeing solution, dyed pure cotton shell fabric using same and technology

A technology of salt-free dyeing and reactive dyes, applied in dyeing, textiles and papermaking, etc., can solve the problems of poor product quality stability, difficult to handle high-salt wastewater, low desalination regeneration rate, etc., to improve color fastness and durability Washing performance, simple process method, effect of reducing salt content

Active Publication Date: 2018-09-21
鲁丰织染有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] More than 80% of cellulose textiles are dyed with reactive dyes. The amount of salt used in the dyeing process is high, high energy and water consumption, poor product quality stability, low added value, low production efficiency, and a large amount of difficult-to-treat high-salt wastewater.
Not only seriously pollute the water body, make the land salinized, but also have low desalination regeneration rate and high cost

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A reactive salt-free dyeing solution for pure cotton, which is composed of the following components: reactive yellow O: 20g / L, reactive red R: 12g / L, reactive blue B: 14g / L, the dosage of special alkali agent SFA-01: 27.6g / L, NaOH dosage: 1.38g / L, fully dissolve the above components in water and mix well.

[0039] Adopt the technique of described pure cotton active salt-free dyeing liquid dyeing, comprise the following steps:

[0040] 1) Fabric pretreatment: Singeing, desizing, scouring, bleaching and mercerizing the pure cotton gray cloth in sequence to obtain semi-finished pure cotton fabrics;

[0041] 2) Padding dyeing solution:

[0042] Composed of components with the following concentrations: active yellow O: 20g / L, active red R: 12g / L, active blue B: 14g / L, special alkali agent SFA-01 dosage: 27.6g / L, NaOH dosage: 1.38g / L, fully dissolve the above components in water and mix evenly; pad the pure cotton fabric (fabric specification: CM30*CM30*120*80*57 / 58, patte...

Embodiment 2

[0054] A reactive salt-free dyeing solution for pure cotton, composed of the following components: reactive yellow O: 6.8g / L, reactive red R: 10.7g / L, reactive blue B: 10.5g / L, special alkali agent SFA- 01 dosage: 15.4g / L, NaOH dosage: 0.98g / L, fully dissolve the above components in water and mix well.

[0055] A kind of technique that adopts described pure cotton reactive salt-free dyeing solution to dye, comprises the following steps:

[0056] 1) Fabric pretreatment: Singeing, desizing, scouring, bleaching and mercerizing the pure cotton gray cloth in sequence to obtain semi-finished pure cotton fabrics;

[0057] 2) Padding dyeing solution:

[0058] Composed of components with the following concentrations: active yellow O: 6.8g / L, active red R: 10.7g / L, active blue B: 10.5g / L, special alkali agent SFA-01 dosage: 15.4g / L, NaOH dosage : 0.98g / L, fully dissolve the above components in water and mix evenly; pad the pure cotton fabric (weave specification: CM50*CM50*140*80*57 / 5...

Embodiment 3

[0070] A reactive salt-free dyeing solution for pure cotton, composed of the following components: reactive yellow O: 6.5g / L, reactive red R: 0.2g / L, reactive blue B: 3.3g / L, special alkali agent SFA- 01 dosage: 9g / L, NaOH dosage: 0.6g / L, fully dissolve the above components in water and mix well.

[0071] A kind of technique that adopts described pure cotton reactive salt-free dyeing solution to dye, comprises the following steps:

[0072] 1) Fabric pretreatment: Singeing, desizing, scouring, bleaching and mercerizing the pure cotton gray cloth in sequence to obtain semi-finished pure cotton fabrics;

[0073] 2) Padding dyeing solution:

[0074] It is composed of components with the following concentrations: active yellow O: 6.5g / L, active red R: 0.2g / L, active blue B: 3.3g / L, dosage of special alkali agent SFA-01: 9g / L, dosage of NaOH: 0.6g / L, fully dissolve the above components in water and mix evenly; pad the pure cotton fabric (weave specification: CM50*CPT40*133*80*61 / 6...

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PUM

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Abstract

The invention belongs to the technical field of textile finishing processing, and specifically relates to a pure cotton active salt-free dyeing solution, a dyed pure cotton shell fabric using the purecotton active salt-free dyeing solution and a technology. The pure cotton active salt-free dyeing solution comprises the following components in concentrations: 0.5 to 80 g / L of active dye, an alkaline agent whose using amount is 55% to 65% of that of the active dye and is not lower than 9 g / L, NaOH whose using amount is 2.5% to 3.5% of that of the active dye and is not lower than 0.6 g / L, and the balance is water; the active dye is one or more of active yellow O, active red R and active blue B; the alkaline agent is SFA-01. The dyeing solution has good permeability for the pure cotton shellfabric, and can be used for dyeing under the condition without salt acceleration; the dyed pure cotton shell fabric is stable in quality, excellent in color fastness, colorful and plump in yarn-dyed weaving and excellent in comprehensive performance; according to the technology dyed by using the dyeing solution, surface dyeing can be removed effectively, the color fastness and washing fastness ofthe shell fabric are promoted, the COD value of wastewater discharge is reduced, and the technology is environmentally friendly and good in economic benefit.

Description

technical field [0001] The invention belongs to the technical field of textile finishing and processing, and in particular relates to a pure cotton active salt-free dyeing solution, pure cotton fabrics dyed by the same and a process. Background technique [0002] More than 80% of cellulose textiles are dyed with reactive dyes. The amount of salt used in the dyeing process is high, high energy and water consumption, poor product quality stability, low added value, low production efficiency, and a large amount of difficult-to-treat high-salt wastewater. Not only seriously pollute the water body, make the land salinized, but also have low desalination regeneration rate and high cost. These problems seriously hinder the further development of textiles, so it is particularly important to invent new reactive salt-free dyeing technology in the dyeing and finishing production process, and realize green dyeing and finishing to prevent pollution from the source. Contents of the inve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06P1/38D06P5/04D06P3/66
CPCD06P1/38D06P3/66D06P5/04
Inventor 张战旗齐元章王辉仲伟浩王德振耿飞许秋生
Owner 鲁丰织染有限公司
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