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A method for deepening the color appearance of pongee dyed fabrics

A pongee and fabric technology, applied in the field of textile dyeing and finishing, can solve the problems of difficult process control, unfavorable environmental protection, large fabric strength, etc., and achieve the effects of improving bonding fastness, reducing refractive index, and avoiding sublimation

Active Publication Date: 2019-09-13
江苏大同宝富纺织科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of alkali reduction treatment of polyester fabrics is that the process is not easy to control, and it is easy to cause a large decrease in fabric strength. At the same time, polyester alkali reduction processing will also produce high-COD wastewater, which is not conducive to environmental protection.

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

[0021] Choose polyester pongee as raw material, fabric weight 130 g / m 2 , carry out color appearance deepening processing with the method mentioned in the present invention, and processing step is as follows:

[0022] (1) Pongee enzymatic pretreatment: use cutinase to pretreat pongee fabric, wash and set aside;

[0023] Treatment process prescription and conditions: cutinase 20 U / L, penetrant 0.5 g / L, pH 8.5, liquor ratio 1:15, temperature 45°C, treatment time 2 hours;

[0024] (2) Dyeing with disperse dyes: the fabric treated in step (1) is dyed with disperse yellow SE-RL;

[0025] Prescription and conditions of dyeing process: disperse yellow SE-RL 0.5 g / L, sodium methylene dinaphthalene sulfonate 0.2 g / L, pH 4.5, liquor ratio 1:15, temperature 130°C, time 0.5 hours;

[0026] (3) Amino silicone oil finishing: pad the fabric treated in step (2) with amino silicone oil emulsion, and then bake and finish;

[0027] Treatment process prescription and conditions: 10 g / L amino s...

Embodiment 2

[0033] Pongee made of polyester, fabric weight 175 g / m 2 , carry out color appearance deepening processing with the method mentioned in the present invention, and processing step is as follows:

[0034] (1) Pongee enzymatic pretreatment: use lipase to pretreat pongee, wash and set aside;

[0035] Treatment process prescription and conditions: lipase 85 U / L, penetrant 1.0 g / L, pH 8.0, liquor ratio 1:12, temperature 50°C, treatment time 2.5 hours;

[0036] (2) Dyeing with disperse dyes: the fabric treated in step (1) is dyed with disperse red 3B;

[0037] Prescription and conditions of dyeing process: Disperse Red 3B 1.5 g / L, sodium methylene dinaphthalene sulfonate 0.5 g / L, pH 5, liquor ratio 1:12, temperature 130°C, time 1 hour;

[0038] (3) Amino silicone oil finishing: pad the fabric treated in step (2) with amino silicone oil emulsion, and then bake and finish;

[0039] Treatment process prescription and conditions: 15 g / L of amino silicone oil with an ammonia value of 0...

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Abstract

The invention relates to a method for deepening color appearance of polyester pongee dyeing fabric, and belongs to the technical field of textile dyeing and finishing. Ester bond hydrolase is used forperforming pretreatment on the polyester pongee fabric by taking polyester as a raw material, then disperse dyes are used for performing dyeing, and finally, amino silicon oil is used for performingpadding, baking and finishing so as to enable the color appearance of the polyester pongee dyeing fabric to be deepened. The method comprises the following technological processes: (1) performing pretreatment by a polyester pongee enzyme method; (2) performing dyeing by the disperse dyes; and (3) performing finishing by the amino silicon oil. Compared with the deepening method of direct padding inthe amino silicon oil or the deepening method of combining alkali weight reduction pretreatment and amino silicon oil padding and baking, by using the enzyme method under the conditions of low temperature and near neutral, the roughness of a fiber surface is increased, easy damage of alkali treatment is avoided, the influence to the environment is little, and carboxyl groups and hydroxyl groups generated on the fiber surface can form higher bonding force with the amino silicon oil, thereby being favorable for increasing the color depth of the polyester pongee dyeing fabric.

Description

technical field [0001] The invention relates to a method for deepening the color appearance of pongee dyed fabrics, which is characterized in that polyester pongee as raw material is pretreated with ester bond hydrolase, then dyed with disperse dyes, and finally soaked with amino silicone oil. The invention relates to a pad-baking finish, a method for endowing pongee dyed fabrics with a color-enhancing effect, and belongs to the technical field of textile dyeing and finishing. Background technique [0002] Pongee fabric is a kind of polyester fabric that has been around for a long time and is more popular. It is mostly processed with low-elastic polyester yarn. The fabric is soft and elastic, and can be used for clothing and bedding. There are many varieties of pongee spinning, but in actual production, it is found that the apparent depth of dyeing for dark varieties is not deep. Especially for dark colors such as black, it is difficult to achieve the required dyeing depth. ...

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 Patents(China)
IPC IPC(8): D06P1/16D06P1/46D06P1/44D06P1/62D06P1/52D06P3/36D06P5/00
Inventor 黄兵余小进常亚兵
Owner 江苏大同宝富纺织科技有限公司
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