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A PROCESS FOR PREPARING COLOR DISPERSIONS AND THE COLOR DISPERSIONS MADE THEREOF
专利权人:
Rohm and Haas Company;Dow Global Technologies LLC
发明人:
Liu, Hui,Jiang, Siyuan,Wang, Yujiang,Yun, Dong
申请号:
EP20140181381
公开号:
EP2871218(B1)
申请日:
2014.08.19
申请国别(地区):
欧洲专利局
年份:
2018
代理人:
摘要:
A process for preparing color dispersions comprising a first step of contacting water, a first colorant, and a gel composition comprising a first gel selected from methylcellulose, hydropropylmethylcellulose, hydroxyethylmethylcellulose, hydroxybutylmethylcellulose, hydroxyethylethylcellulose, and the mixture thereof, and a second gel selected from guar, pectin, carrageenan, gelatin, and the mixture thereof, to form a first colorant dispersion; a second step of contacting the first colorant dispersion with a composition comprising an aqueous dispersion of polymer particles, clay, and a peptizing agent to form a dispersion of protected first colorant particles. A color dispersion comprising the first colorant dispersion and a color coating comprising the color dispersion.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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