Superthin aqueous carbon black color slurry and its preparation method

A carbon black paste, water-based technology, used in pigment paste and other directions, can solve problems such as poor compatibility, and achieve the effects of good compatibility, high tinting strength and strong water resistance

Inactive Publication Date: 2006-11-22
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] In order to solve the problem of poor compatibility of most water-based carbon black pastes in the preparation of water-based inks, the invention discloses an ultra-fine water-based carbon black paste suitable for water-based inks

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Select 6# pigment carbon black (Nanjing Meishan Yiteng Chemical Co., Ltd.) 20%, dispersant 3% (SMA1440 of U.S. Sartomer Company), 1,3-propylene glycol 10%, polyethylene glycol (average molecular weight 400) 5% , concentrated ammonia water 1%, other additives tributyl phosphate 1%, deionized water 60%. After feeding in a certain order, high-speed dispersion or vertical sand mill for 30 minutes, and then transferred to a circular outflow horizontal sand mill with a rotation speed of 2500r / min, continuous circular grinding for 1.5 hours, and the finished color paste is directly discharged.

Embodiment 2

[0028] 20% of 6# pigment carbon black (Nanjing Meishan Yiteng Chemical Co., Ltd.), 8% of dispersant (Joncryl-60 of Japan Johnson Polymer Co., Ltd.), 12.5% ​​of ethylene glycol, 3% of glycerol, 1% of strong ammonia %, other additives tributyl phosphate 1%, deionized water 54.5%. After feeding in a certain order, high-speed dispersion or vertical sand mill for 30 minutes, and then transferred to a circular outflow horizontal sand mill with a rotation speed of 2500r / min, continuous circular grinding for 1.5 hours, and the finished color paste is directly discharged.

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Abstract

Disclosed is an ultra-fine water-based carbon black color paste comprising color paste carbon black 15-35%, deionized water 30-78%, pH conditioning agent 0.5-1.5%, dispersing agent or dispersing agent composition 2-20%, fine processing auxiliary agent 2-20%, and other adjuvant 0.5-1%.

Description

technical field [0001] The invention relates to an ultra-fine water-based carbon black slurry for water-based ink or paint, which is especially suitable for coloring and preparing water-based pen inks such as pigment-type black neutral inks, and belongs to the field of processing and application of pigments in fine chemicals. Background technique [0002] Generally speaking, the color paste mainly plays a role in coloring or fiber dyeing in the manufacturing process of paints and inks. Ink belongs to the category of coating science. Its general manufacturing process is similar to that of paint manufacturing. First, the base color pigment is formulated into a uniform, stable, and high-concentration color paste, and then solvents and other auxiliary agents are formulated into ink. [0003] Selecting a suitable and stable color paste is an important condition to improve the stability of the finished ink and improve the quality of the product. Due to the special structure of pi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D17/00
Inventor 冯征宇陈爱平钱军浦玉刘伟李春忠
Owner EAST CHINA UNIV OF SCI & TECH
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