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Disperse blue dye coupling component and preparation method thereof

A technology for dispersing blue and dyes, applied in the field of dyes, can solve the problems of low fastness, heavy staining of spandex, low fastness of spandex, etc., and achieves the effects of low cost, high fastness and good environmental protection indicators.

Inactive Publication Date: 2020-07-10
DONGYING ANNUOQI TEXTILE MATERIALS +3
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Existing disperse dyes have heavy staining on spandex and low fastness, resulting in large sewage discharge in printing and dyeing factories, which is not environmentally friendly, serious color fading of clothing, and cross-color staining
[0005] 2. The existing environmentally friendly spandex has low fastness and cannot meet the dyeing needs of elastic fibers
[0006] The dyes synthesized by the existing blue coupling components cannot meet the fastness requirements of polyester-spandex fabrics
And now the elastic fiber is developing rapidly, the color fastness of elastic fiber (spandex) is an important defect, it is urgent to develop a new disperse dye structure to meet the requirements of clothing

Method used

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  • Disperse blue dye coupling component and preparation method thereof
  • Disperse blue dye coupling component and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1 Check that the 5000L reactor is in good condition and clean, the condenser is in good condition, the vacuum pump is in good condition, and check the sealing of the equipment used.

[0030] 2 Check whether the code and quantity of the prepared raw materials meet the process requirements, if not, report to the workshop immediately and stop the operation.

[0031] 4 Adjust the temperature below 30 degrees, turn on the tail gas absorption equipment, add 69kg of soda ash, and add 720kg of reducing substances evenly in 45 minutes to 1 hour.

[0032] 5 Add 500kg of soda ash evenly in 45 minutes.

[0033] 6. Add 108kg of sodium bromide and stir for 30 minutes, close the manhole cover, and close the tail gas absorption valve.

[0034] 7 Check the reaction system at the same time, and the entire reaction system is in an empty state.

[0035] 8 Warm up. It takes 3 hours to evenly rise to 98 degrees. Warm up to 35-40 degrees and let it be natural. At about 60 degrees, there ...

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PUM

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Abstract

The invention discloses a disperse blue dye coupling component, which is characterized by comprising the following components in parts by weight: 115-136 parts of methyl chloroacetate, 550-580 parts of sodium carbonate, 68-75 parts of a reduction product, 10-13 parts of sodium bromide, and 180-220 parts of acetic acid. The invention also discloses a preparation method of the disperse blue dye coupling component. The main innovation point of the invention is as follows: a blue disperse dye produced from the coupling component is low in cost, high in fastness and good in environmental protectionindex, and especially meets the fastness requirement of polyester and polyurethane fabrics.

Description

technical field [0001] The invention belongs to the technical field of dyes, and in particular relates to a disperse blue dye coupling component and a preparation method thereof. Background technique [0002] Disperse dyes are a kind of non-ionic dyes that dye hydrophobic fibers in a dispersed state under the action of dispersants in the initial stage of the dyeing process. Disperse dyes have a complete color spectrum, bright color, high color strength and good economy. According to the statistics of China Dyestuff Industry Association, the consumption of disperse dyes in my country ranks first among all kinds of dyes, and it is the main exporter of disperse dyes in the world. [0003] The defective of the synthetic dyestuff of existing blue coupling component is: [0004] 1. Existing disperse dyes have heavy staining on spandex and low fastness, resulting in large sewage discharge in printing and dyeing factories, which is not environmentally friendly, serious color fadin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C51/41C07C53/16
CPCC07C51/41C07C53/16
Inventor 姜瑞华
Owner DONGYING ANNUOQI TEXTILE MATERIALS
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