PIGMENT COMPOSITIONS IN PASTE OR POWDER FORM FOR USE IN PRINTING INKS

摘要

PIGMENT COMPOSITION IN PASTE OR POWDER FORM FOR USE IN PRINTING INKS A pigment composition in powder or paste form, which comprises, as a preparation agent, a mixture consisting of(a) an alkyd resin having a high oil content, (b) a hydrocarbon resin, (c) a mineral oil boiling between 240 and 320.degree.C, the ratio of component (a) to component (b) being from 1 : 1 to 1 : 1.5 and that of components (a)+(b) to component (c) varying from 4 : 1 to 0.7 : 1. This pigment composition is used in printing inks.