Stabilised phthalocyanines

Details Stabilised phthalocyanines Stabilised phthalocyanines

C - Chemistry, Metallurgy

09

B

260/197, 6/198,

C09B 47/04 (2006.01) C09B 47/12 (2006.01) C09B 67/22 (2006.01) D06P 1/14 (2006.01)

Patent

CA 1086312

Abstract of the Disclosure A copper phthalocyanine derivative having the formula: Image or a mixture wherein CuPc represents the residue of a copper phthalocyanine molecule, Y is an alkyl or alkenyl residue each having from 8 to 22 atoms, and each being unsubstituted or substituted by one or more hydroxy groups or being interrupted by one or more nitrogen atoms, or Y is an alkoxyaryl- or aralkloxyaryl, or an alkyl-aralkloxyaryl residue wherein the alkoxy-, aralkyloxy- or alkyl-aralkyloxy moiety contains from 7 to 22 carbon atoms, and n is an integer from 1 to 8, provides, when incorporated into a phthalocyanine pigment, a phthalocyanine pigment composition having excellent flocculation resistance, when incorporated into paint and printing media, which moreover exhibit impro- ved flow.

275744

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