摘要 |
A pigment composition comprising pigment and an amido phthalocyanine compound having the general formula I:MPc-(CONR1R2)nIwherein which Pc is a phthalocyanine ring which is optionally further substituted by up to an average of one chlorine or bromine atom or of a sulphonic acid; M is hydrogen or a metal such as Mg, Al, Ni, Fe, Zn, Pb, Sn or Cu: n is a number ranging from 0.1 to 4.0; R1 and R2 are independently selected from hydrogen, C1-C20 alkyl, C5-C12 cycloalkyl, C7-C12 aralkyl, C6-C10 aryl, C4-C6 alkyl amino alkyl, C2-C20 aliphatic amine, C2-C20 aliphatic amine acid salt, C2-C20 alcohol, polyoxyalkylene, polyoxyalkylene amine. |