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Pigment anti-settling agent

A technology of anti-settling agent and pigment, applied in the field of pigment anti-settling agent, can solve the problems of poor mechanical properties and anti-settling performance of anti-settling agent, achieve good toughness, good shear resistance, and reduce the possibility of settlement

Inactive Publication Date: 2019-07-05
常州武城服饰有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a pigment anti-settling agent for the problems of poor mechanical properties and anti-settling properties of the current anti-settling agent

Method used

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Examples

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preparation example Construction

[0022] The preparation method of anti-settling additive is:

[0023] (1) Take the active rubber raw material according to the mass ratio of 2~5:5~10, add chloride (1-butyl-3-methylimidazole) and mix to obtain a mixture, and take tetramethylammonium hydroxide according to the mass ratio of 1~3 : 10~15, add water and mix for 20~30min to obtain a mixed solution, take the mixed solution according to the mass ratio of 2~5:30~50 and add it to the mixture, stir and mix at 2~5°C for 20~40min to obtain a stirred mixture;

[0024] (2) Take the stirred mixture and add dodecenyl succinic anhydride at a mass ratio of 10~20:1~3, add N,N-diisopropylethylamine with a mass ratio of 3~5% of the stirred mixture, and pass through nitrogen protection, and then Stir and mix at 25~30°C for 1~3h to obtain the stirred mixture a. Take the stirred mixture a and add acetic acid according to the mass ratio of 10~20:2~5, stir and mix for 20~30min, filter, take the filter residue, wash it with absolute etha...

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Abstract

the invention discloses a pigment anti-settling agent, and belongs to the field of coating anti-settling agents. According to the anti-settling agent disclosed by the invention, viscosity is reduced due to the fact that shear stress among flow layers is reduced, and when the shear stress disappears, winding occurs again, so that a good anti-shearing property is achieved, and sedimentation possibility is reduced; through a prepared association additive, the anti-settling agent can form a better association micelle with an oil base in pigment ink during use, so that bridge connection is formed,a network structure with the ink base is formed, and then sedimentation is prevented; an emulsifier is added to form a dense interface film, and oil-water interface tension is reduced, so that the anti-settling agent system is kept stable; and the anti-settling agent can well permeate into gaps among ink particles and pigment particles to coating the pigment ink particles and ink particles for settling prevention, so that emulsifying and anti-settling efficiency is improved, and an idea anti-settling effect is achieved. The anti-settling agent disclosed by the invention solves the problems ofpoor mechanical property and poor anti-settling property of an existing anti-settling agent.

Description

technical field [0001] The invention relates to the technical field of paint anti-settling agents, in particular to a pigment anti-settling agent. Background technique [0002] Settling phenomenon is an important problem often encountered in the production and use of coatings. The rheological properties of coatings are also an important factor that must be considered in all stages of coating production and use. With the research and development of special functional coatings, the requirements for coating performance are getting higher and higher. The addition of metal powder in conductive functional coatings makes the problem of coating settling a major concern of researchers. Adding an anti-sedimentation agent to the paint means introducing a loose network thixotropic structure into the paint, which can suspend the pigment and filler particles without agglomeration, prevent the pigment from settling, improve the performance of the paint, and maintain excellent leveling pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D7/45C08G65/333C08G65/28
CPCC08G65/2609C08G65/33351C09D7/45
Inventor 刘鹏
Owner 常州武城服饰有限公司
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