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Gray dye for light-dyed polyester fabric and dyeing process thereof

A polyester fabric, gray technology, applied in the direction of dyeing, textiles and papermaking, sustainable manufacturing/processing, etc., can solve the problems of color spots and blocks, reduce processing procedures, and low color fixation rate of fabrics, so as to reduce processing procedures , Increased leveling rate and improved color fixation rate

Pending Publication Date: 2022-08-05
圣山集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the problems of low color fixation rate and color spots in the fabric caused by the single-stage heating dyeing method in the prior art, this application provides a mixed dyeing agent that can lightly dye polyester fabrics in gray colors The product, which can be directly added into water to prepare a dye solution, reduces the processing steps and is easy to industrialize production; the application also provides a dyeing process for lightly dyed polyester fabrics. Dyeing, the dyed product has no color block and stain, and the color fixing rate is significantly improved

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

[0030] A gray-based dyeing agent for polyester fabrics, the gray-based dyeing agent comprises, in parts by mass: 1 part of gray-based dye, 0.5 part of alkaline dispersing and leveling agent PT-90 and 0.8 part of degreaser, gray-based dye Including 0.57 parts of disperse blue 2BLN, 0.73 parts of disperse orange and 0.67 parts of disperse 3B red, the dye concentration of the gray series dye is 1%.

[0031] A dyeing process for light-dyed polyester fabric gray dyeing agent, comprising the following steps:

[0032] (1) Add the light-dyed polyester fabric gray dyeing agent into water to make a dye liquor, and the initial temperature of the dye liquor is 60°C;

[0033] (2) Immerse the polyester fabric in the dye liquor, and the bath ratio of the dye liquor to the polyester fabric is 1:25;

[0034] (3) Perform first-stage dyeing, second-stage dyeing and third-stage dyeing in sequence, the temperature gradient of first-stage dyeing is 60-90°C, the heating rate is 0.7°C / min, the holdi...

Embodiment 2

[0036] A gray-based dyeing agent for polyester fabrics, the gray-based dyeing agent comprises, in parts by mass: 1 part of gray-based dye, 0.5 part of alkaline dispersing and leveling agent PT-90 and 0.8 part of degreaser, gray-based dye Including 2.22 parts of disperse blue 2BLN, 1.85 parts of disperse orange and 0.645 parts of Jihua disperse ruby, the dye concentration of the gray series dye is 1%.

[0037] A dyeing process for light-dyed polyester fabric gray dyeing agent, comprising the following steps:

[0038] (1) Add the light-dyed polyester fabric gray dyeing agent into water to make a dye liquor, and the initial temperature of the dye liquor is 60°C;

[0039] (2) Immerse the polyester fabric in the dye liquor, and the bath ratio of the dye liquor to the polyester fabric is 1:20;

[0040](3) Perform first-stage dyeing, second-stage dyeing and third-stage dyeing in sequence, the temperature gradient of first-stage dyeing is 60-90°C, the heating rate is 0.7°C / min, the h...

Embodiment 3

[0042] A gray-based dyeing agent for polyester fabric, the gray-based dyeing agent comprises, in parts by mass: 1 part of gray-based dye, 0.5 part of alkaline dispersing and levelling agent PT-90 and 0.8 part of degreaser, gray-based dye Including 3.3 parts of disperse blue 2BLN, 2.4 parts of disperse orange and 0.7 parts of Jihua disperse ruby, the dye concentration of the gray series dye is 1%.

[0043] A dyeing process for light-dyed polyester fabric gray dyeing agent, comprising the following steps:

[0044] (1) Add light-dyed polyester fabric gray dyeing agent into water to make dye liquor, and use 1kg glacial acetic acid to adjust the initial temperature of dye liquor pH to 60°C;

[0045] (2) Immerse the polyester fabric in the dye liquor, and the bath ratio of the dye liquor to the polyester fabric is 1:25;

[0046] (3) Perform first-stage dyeing, second-stage dyeing and third-stage dyeing in sequence, the temperature gradient of first-stage dyeing is 60-90°C, the heat...

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 field of dyeing and finishing processing, and discloses a light-dyed polyester fabric gray dye and a dyeing process thereof.The gray dye is prepared from, by mass, 0.1-1 part of gray dye, 0.05-0.5 part of dispersing agent and 0.08-0.8 part of cleaning agent, the gray dye is prepared by mixing disperse dye, and the dye concentration of the gray dye is 0.1-1%; the invention provides a mixed dye product capable of performing gray color light dyeing on polyester fabrics, and the product can be directly added into water to prepare dye liquor, so that the processing procedures are reduced, and industrial production is facilitated; the invention further provides a dyeing process of the light-dyed polyester fabric, according to the process, the polyester fabric is subjected to light dyeing processing in a multi-section heating dyeing mode, and the fixation rate of a dyed product is remarkably increased; a consolidation dyeing stage is also added in the dyeing process, the product after the consolidation dyeing stage is uniformly dyed without color blocks and color spots, and the level dyeing rate is obviously improved.

Description

technical field [0001] The invention relates to the field of dyeing and finishing, in particular to a gray tying agent for light-dyed polyester fabrics and a dyeing process thereof. Background technique [0002] Polyester fabric is a high-resilience and high-strength fiber fabric made of polyester fiber. It has the advantages of wrinkle resistance, high durability and strong shape retention. Therefore, it is used in luggage fabrics, outdoor fabrics, rain gear fabrics, etc. It has a wide range of applications; polyester fabrics need to be dyed and finished after they are made into primary products before they can be given different colors. There is a higher demand for more colorful tertiary colors. [0003] At present, the dyeing process of polyester fabric mainly includes alkali reduction-high temperature and high pressure dyeing process, hot melt dyeing process and carrier dyeing process. For example, publication number CN108660791B discloses a polyester fabric dyeing proc...

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): D06P1/16D06P3/54
CPCD06P1/16D06P3/54D06P1/0032Y02P70/62
Inventor 冯铁钧
Owner 圣山集团有限公司
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