Process for producing dimethylaminomethyl copper phthalocyanine

Details Process for producing dimethylaminomethyl copper phthalocyanine Process for producing dimethylaminomethyl copper phthalocyanine

1987-11-30

1989-03-07

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106195, 106266, 106411, 524176, C08L 108

Patent

active

048102970

ABSTRACT:
Dimethylaminomethyl copper phthalocyanine and/or its derivative represented by the general formula, ##STR1## wherein CuPc represents a copper phthalocyanine residue, X represents a hydrogen atom, a halogen atom, the group --SO.sub.3 H or the group --CH.sub.2 OH, and m and n independently represent an integer of 1 to 4,
and containing only small amounts of by-products is produced by a process comprising reacting aminomethyl copper phthalocyanine and/or its derivative represented by the general formula ##STR2## wherein CuPc, X, m and n are as defined above, with formic acid and a formaldehyde-generating substance at a temperature of 130.degree. to 150.degree. C. under a pressure of 3 to 10 kg/cm.sup.2 (gauge).

REFERENCES:
patent: 3288621 (1966-11-01), Barron et al.

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