申请人:Ciba Specialty Chemicals Corporation
公开号:US06361595B1
公开(公告)日:2002-03-26
Preparation of stabilized pigment compositions, comprising mixing a water-miscible quaternary ammonium compound of formula III
wherein R1, R2, R3 and R4 independently of each other stand for C1-C22aklyl, C2-C22alkenyl, benzyl, pyridyl, quinolyl, isoquinolyl or polyoxyalkylenyl, and X− is an anion, a water-immiscible organic solvent and a pigment.
制备稳定颜料组合物,包括混合公式III中的水溶性季铵化合物,其中R1、R2、R3和R4分别代表C1-C22烷基,C2-C22烯基,苄基,吡啶基,喹啉基,异喹啉基或聚氧烷基,并且X-是阴离子,水不相溶的有机溶剂和颜料。