AZOACYLACETAMIDE DISPERSING AGENTS AND AZO-PIGMENT COMPOSITIONS

摘要

This invention is directed to new azoacylacetamide dispersing agents for azo pigments and azo pigment compositions made therefrom. The pigment compositions of this invention comprise a mixture of dispersing agents which are represented below by abbreviated Formula I and pigments which are represented by the abbreviated Formula II, wherein said dispersing agents are present in an amount of 1-25% and said pigments are present in an amount of 99 to 75%: FORMULA I FORMULA II where: A is an aromatic or heterocyclic amino group; B is an aromatic or heterocyclic bisdiazonium group; D is an aliphatic polyamino group containing at least three nitrogen atoms.