Polymer dispersant for liquid disperse dye, and synthesis method and application of polymer dispersant

A technology of polymer dispersant and liquid disperse dye, which is used in dyeing, textile and paper making to achieve high grinding efficiency and good storage stability.

Active Publication Date: 2021-08-20
ZHEJIANG SCI-TECH UNIV
View PDF7 Cites 9 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are few studies on high-efficiency polymer dispersants suitable for preparing liquid disperse dyes, and it is urgent to further develop new products.

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
  • Polymer dispersant for liquid disperse dye, and synthesis method and application of polymer dispersant
  • Polymer dispersant for liquid disperse dye, and synthesis method and application of polymer dispersant
  • Polymer dispersant for liquid disperse dye, and synthesis method and application of polymer dispersant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] (1) Synthesis of polymer dispersant:

[0030]

[0031] Among them, n is 15.

[0032] Weigh three monomers of octadecyl methacrylate, acrylic acid, and methoxypolyethylene glycol methacrylate and dissolve them in isopropanol, mix them uniformly, add them to the reaction flask and stir at a certain stirring rate, Fill the reaction flask with nitrogen for 20 minutes to remove the oxygen in the reaction device; dissolve the initiator in acetone, and when the temperature rises to 60°C, add the initiator solution dropwise through a micro-injection pump and control the dropping time for 1 hour; After the reagent is added dropwise, keep it warm at 80°C for 7 hours; after the reaction, drop the temperature and add 30% sodium hydroxide solution dropwise to the reaction system to adjust the pH value of the system to 8.0; discharge through a rotary evaporator The solvent was distilled off, and the product was washed with ether and dried.

[0033] Description: The molar ratio o...

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

PropertyMeasurementUnit
diameteraaaaaaaaaa
Login to view more

Abstract

The invention discloses a polymer dispersant for a liquid disperse dye as well as a synthesis method and application of the polymeric dispersant. The synthesis method comprises the following steps: weighing three monomers, namely octadecyl methacrylate, acrylic acid and methoxy polyethylene glycol methacrylate, dissolving the monomers in isopropanol, uniformly conducting mixing, adding a formed mixture into a reactor, conducting stirring, and introducing nitrogen into a reaction flask to remove oxygen in the reactor; dissolving an initiator in acetone, when the temperature rises to 50-70 DEG C, dropwise adding the initiator solution through a micro-injection pump, and controlling the dropwise adding time to be 0.5-1.5 h; after dropwise adding the initiator, keeping the temperature at 75-85 DEG C and conducting reacting for 6-8 hours; adjusting the pH value of the system to 7.5-8.5, and conducting discharging; and performing post-treatment to obtain the polymer dispersant. The dispersant with the structure is relatively high in grinding efficiency when being used for preparing a liquid disperse dye, and the storage stability of the dye is relatively good.

Description

technical field [0001] The invention relates to the field of terpolymer dispersants, in particular to a polymer dispersant for liquid disperse dyes and a synthesis method and application thereof. Background technique [0002] Disperse dyes are a kind of dyes with simple structure and no water-soluble groups, which are mainly used for dyeing and printing of polyester fabrics. Polyester is an important textile fiber in my country, accounting for more than 70% of the world's total. Therefore, disperse dyes are a class of dyes with a large demand. At present, disperse dyes are mainly powders, but due to the high content of additives in powder disperse dyes, a large amount of water washing is required to remove the residual dyeing agent after dyeing or printing, resulting in the consumption of a large amount of water resources and the pollution of water resources. , In addition, the application of powder disperse dyes requires chemical materials, which is not conducive to the d...

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
Patent Type & Authority Applications(China)
IPC IPC(8): C08F283/06C08F220/06C08F220/18D06P1/16D06P1/52
CPCC08F283/065D06P1/16D06P1/5257C08F220/06C08F220/1818
Inventor 孙洋洋姜建堂沈一峰
Owner ZHEJIANG SCI-TECH UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap