公开(公告)号：US20150059616A1

公开(公告)日：2015-03-05

申请号：US14477263

申请日：2014-09-04

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Dong Yun ,  Yujiang Wang ,  Hui Liu ,  Siyuan Jiang

IPC: C09D101/28 ,  C09D105/00

CPC classification number: C09D101/284 ,  C09B67/0033 ,  C09B67/0085 ,  C09D101/28 ,  C09D105/00

Abstract: 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.

Abstract translation: 一种制备颜色分散体的方法，包括使水，第一着色剂和凝胶组合物接触的第一步骤，所述第一步骤包括选自甲基纤维素，羟丙基甲基纤维素，羟乙基甲基纤维素，羟丁基甲基纤维素，羟乙基乙基纤维素及其混合物的第一凝胶，以及选自瓜尔胶 果胶，角叉菜胶，明胶及其混合物，形成第一着色剂分散体; 使第一着色剂分散体与包含聚合物颗粒，粘土和胶溶剂的水性分散体的组合物接触以形成受保护的第一着色剂颗粒的分散体的第二步骤。 包含第一着色剂分散体和包含该颜色分散体的彩色涂料的分散体。