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Method for improving color fastness of polyester spandex single-sided polar fleece fabric

A polyester spandex, color fastness technology, applied in dyeing, fabric surface trimming, textile material treatment, etc., can solve problems such as limiting application prospects, reducing fabric color fastness, and aggravating the difficulty of color fastness reaching the standard. Good hand feeling, less post-finishing process, beautiful effect of shaker style

Inactive Publication Date: 2018-01-26
SHANGHAI CHALLENGE TEXTILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the lack of polar groups in the processing and production of this fabric, it is difficult to be dyed by reactive, acidic, and disperse dyes at room temperature. Therefore, compared with ordinary polyester fabrics, the dye consumption of polyester spandex fabrics is much higher under the same depth. , and because spandex and polyester have a similar porous structure, therefore, when it is dyed with polyester fiber at the same time, it has adsorption to disperse dyes, so when dyeing polyester + spandex fabric, the color fastness of the fabric will be greatly reduced, so the limit its application prospect
The shaker style requires steam injection and hot air ring drying, which makes it more difficult to meet the color fastness standard.

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

[0014] The dyeing and finishing process and process for improving the color fastness of dark polyester and spandex polar fabrics:

[0015] (1) Pre-processing:

[0016] Washing at 60°C; degreasing agent 1.5g / l; 80°C*20min.

[0017] (2) Dyeing:

[0018] Auxiliary (added at room temperature) is heated up to 50°C to add dyes (feeding time is 10min), then heated to 70°C (heating rate 2°C / min), and then raised to 130°C at 70°C (at this stage, the heating rate should be slow, easy to discolor flowers, 0.7°C / min), and then cool down after 130°C for 30 minutes (cooling rate 1°C / min).

[0019] (3) Cleaning:

[0020] High-temperature discharge: the dyeing vat is directly fed with cold water, while the water is drained and the water is fed at the same time (to achieve cooling and cleaning simultaneously). After about 2 washings, the water is drained and the cloth is discharged. At this time, the color fastness is about 3.5.

[0021] (4) drying:

[0022] The drying temperature is 130°...

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 method for improving the color fastness of a polyester spandex single-sided polar fleece fabric. The method includes the pre-treatment process, the dyeing process, the cleaning process, the auxiliary adding process, the drawing process, the middle shaping process, the carding process, the shearing process and the post-treatment process. The whole process integrates the stability of the fabric and the high color fastness guarantee, so that the anti-pilling style is more attractive; meanwhile, the post-finishing procedure is omitted, the energy consumption is reduced,and the special requirement of equipment is avoided; the processed fabric is good in style, good in elasticity, good in hand feeling, good in fastness, good in pilling resistance and capable of achieving production stability, and technical problems in polyester spandex polar fleece fabric color fastness processing and production are solved.

Description

technical field [0001] The invention belongs to the field of fabric dyeing and finishing, and in particular relates to a method for improving the color fastness of polyester spandex single-sided fleece cloth. Background technique [0002] Polyester spandex fabric is a synthesis of polyester and spandex. The fabric made of the two components is soft and comfortable to the touch, and has excellent elasticity. However, due to the lack of polar groups in the processing and production of this fabric, it is difficult to be dyed by reactive, acidic, and disperse dyes at room temperature. Therefore, compared with ordinary polyester fabrics, the dye consumption of polyester spandex fabrics is much higher under the same depth. , and because spandex and polyester have a similar porous structure, therefore, when it is dyed with polyester fiber at the same time, it has adsorption to disperse dyes, so when dyeing polyester+spandex fabric, the color fastness of the fabric will be greatly r...

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): D06B21/00D06B3/10D06C7/02D06P3/85D06P1/16D06L1/16
Inventor 孟丹蕊何国英许畅杨启东丁晨王俊丽
Owner SHANGHAI CHALLENGE TEXTILE
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