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Cotton-containing knitted fabric and dyeing method thereof

A dyeing method and technology of cotton knitted fabrics, applied in the field of textile production, can solve problems affecting product quality, fabric surface scratches, long running time, etc., and achieve the effects of improving product quality, reducing rework costs, and reducing scratches and defects

Active Publication Date: 2016-08-31
GUANGDONG ESQUEL TEXTILES CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the dyeing process of cotton-containing knitted fabrics in the dyeing vat, it is necessary to use a cloth lifting wheel to lift the fabric so that the fabric runs in the dyeing vat. When the fabric runs in the dyeing vat, the speed reaches 200m / min or above. The running time of the fabric in the dyeing vat is long, reaching 11 hours or more. There is a relatively large friction force between the fabric and the cloth lifting wheel of the dyeing vat, which often scratches the surface of the fabric and produces scratches, which affects product quality. Severe scratches need to be reworked

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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  • Cotton-containing knitted fabric and dyeing method thereof
  • Cotton-containing knitted fabric and dyeing method thereof

Examples

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Embodiment 1

[0036] A kind of dyeing method of cotton-containing knitted fabric of the present embodiment comprises the following steps:

[0037] Pre-treatment: add caustic soda 4g / L, hydrogen peroxide 3.6g / L, and penetrant 0.5g / L to the main tank of the dyeing machine, then heat up to 98 degrees, run for 45 minutes, cool down and drain water, add acetic acid 1g / L after washing with water twice L and deoxygenase 0.12g / L, drain water after running for 10 minutes, and end the pretreatment step.

[0038] Dyeing: After the main vat of the dyeing machine is filled with water, add 80g / L of sodium sulfate, then raise the temperature to 60 degrees, add 5% dye, and run for 30 minutes, add 25g / L of soda ash, continue to run for 45 minutes, and drain to complete the dyeing step.

[0039] Soaping: Wash the main tank of the dyeing machine three times with water, then add soaping agent 1g / L into the water and raise the temperature to 90°C, run for 10 minutes, drain, then wash with water twice, drain, an...

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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PUM

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Abstract

The invention relates to a dyeing method of a cotton-containing knitted fabric. The method includes the following steps of preprocessing, dyeing, soaping, enzyme washing, and color fixing and softening. The enzyme washing step includes the substeps of water adding, heating, material adding, heat preserving and enzyme killing. Through the removal effect of cellulase on cotton fiber, cellulase reacts with cotton fiber in the enzyme washing process, laid fiber at scratches are washed away, scratches are repaired, scratch spots on the surface of the fabric are reduced on the aspect of vision, product quality is improved, and the rework cost caused by scratches is reduced.

Description

technical field [0001] The invention relates to the technical field of textile production, in particular to a cotton-containing knitted fabric and a dyeing method thereof. Background technique [0002] During the dyeing process of cotton-containing knitted fabrics in the dyeing vat, it is necessary to use a cloth lifting wheel to lift the fabric so that the fabric runs in the dyeing vat. When the fabric runs in the dyeing vat, the speed reaches 200m / min or above. The running time of the fabric in the dyeing vat is long, reaching 11 hours or more. There is a relatively large friction force between the fabric and the cloth lifting wheel of the dyeing vat, which often scratches the surface of the fabric and produces scratches, which affects product quality. Severe scratches require rework. The problem of scratches produced during the dyeing process of cotton-containing knitted fabrics is a worldwide problem in the field of dyeing, and the problem of scratches has been puzzling...

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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IPC IPC(8): D06P3/60D06P5/02D06P5/08D06L3/02
CPCD06P3/60D06P5/02D06P5/08
Inventor 刘丽军肖军李华南杨青棵
Owner GUANGDONG ESQUEL TEXTILES CO LTD
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