Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Acidic dye-fixing agent and preparation method thereof

The technology of an acidic color-fixing agent and a catalyst is applied in the field of textile auxiliaries, which can solve the problems of complicated operation steps, and achieve the effects of simple preparation process, low cost and easy-to-obtain raw materials.

Inactive Publication Date: 2015-04-15
WUYI UNIV
View PDF4 Cites 15 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The color fixing agent has strong acid resistance and good color fixing effect, but the preparation process needs to be carried out in three steps, and the operation steps are relatively complicated

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
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Acidic dye-fixing agent and preparation method thereof
  • Acidic dye-fixing agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Add bisphenol S (0.01mol) and phenol sulfonate (0.01mol) into a 100ml three-neck flask equipped with a magnetic stirrer, condenser, and constant pressure dropping funnel, add 5ml of water, 1ml of ethanol and sodium hydroxide solution (10g / L) 0.8ml, start stirring and heat up to 70°C, add 0.03mol formaldehyde drop by drop with a constant pressure dropping funnel, gradually raise the temperature (10°C / 30min) to 100°C after the addition, keep warm for 2 hours, and the reaction is over After cooling down, take out the generated solution and filter, the filtrate is the acid color fixing agent sample A 1 .

Embodiment 2

[0017] Add bisphenol S (0.01mol) and phenol sulfonate (0.015mol) into a 100ml three-neck flask equipped with a magnetic stirrer, a condenser, and a constant pressure dropping funnel, and add 5ml of water, 1ml of ethanol and sodium hydroxide solution (50g / L) 1ml, start stirring and heat up to 70°C, add 0.0375mol formaldehyde drop by drop with a constant pressure dropping funnel, gradually raise the temperature (10°C / 30min) to 120°C after the addition, keep it warm for 2 hours, after the reaction is over Cool down, take out the generated liquid and filter, the filtrate is the acid color fixing agent sample A 2 .

Embodiment 3

[0019] Add bisphenol S (0.005mol) and phenol sulfonate (0.015mol) into a 100ml three-necked flask equipped with a magnetic stirrer, a condenser tube, and a constant pressure dropping funnel, add 5ml of water, 1ml of ethanol and sodium hydroxide solution (50g / L) 0.8ml, start stirring and heat up to 70°C, add 0.03mol formaldehyde drop by drop with a constant pressure dropping funnel, gradually raise the temperature (10°C / 30min) to 140°C after the addition, keep warm for 2 hours, and the reaction is over After cooling down, take out the generated solution and filter, the filtrate is the acid color fixing agent sample A 3 .

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
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an acidic dye-fixing agent and a preparation method thereof. The dye-fixing agent is a condensation product prepared through the condensation polymerization reactions among bisphenol S, sodium phenolsulfonate, and formaldehyde in the presence of a catalyst. The obtained acidic dye-fixing agent has the advantages of good dye-fixing effect, simple preparation technology, easily-available raw materials, and low cost.

Description

technical field [0001] The invention relates to a textile auxiliary agent, in particular to an acid color fixing agent and a preparation method thereof. Background technique [0002] Nylon fabric has the characteristics of high strength and good wear resistance. It is mainly used to make sportswear, swimwear, bodybuilding clothes, socks, etc. In order to further improve the elasticity of nylon fabric, some spandex is often blended with nylon. Most of the dyeing of nylon and ammonia fabrics is dyed with acid dyes. 3 + It exists in the form of ions, which can form ionic bonds with acid dye anions, so that the dye can be fixed on the fiber. However, due to the small molecular weight of acid dyes, the molecules contain water-soluble groups such as carboxyl groups, sulfonic acid groups, etc., some of the dyes bound to the fibers in the aqueous solution will dissociate, resulting in the soaping fastness of the nylon ammonia fabric after dyeing. The grade is not high, therefore,...

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
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): C08G8/24D06P5/08
Inventor 贾永堂黄钢董凤春
Owner WUYI UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com