PIGMENT COMPOSITION FOR MASS COLOURATION OF ALIPHATIC POLYAMIDE

摘要

Pigment composition for mass colouration of aliphatic polyamide Abstract The invention relates to a process for mass colouration of a composition containing an aliphatic polyamide, which process comprises - incorporation of a pigment mixture containing a pigment of formula (1), (1), and a pigment of formula (2), (2), wherein the weight ratio between the pigment of formula (1) and the pigment of formula (2) is from 9 to 1, and - heating of the composition with the pigment mixture to a temperature in the range from 180°C to 350°C.