Phthalocyanine formulations

Details Phthalocyanine formulations Phthalocyanine formulations

1980-01-29

1981-10-13

Hayes, Lorenzo B.

Compositions: coating or plastic

Materials or ingredients

106 22, 106308N, 106309, 2603145, C09B 4708

Patent

active

042946204

ABSTRACT:
Phthalocyanine formulations which comprise a mixture of (a) phthalocyanine and (b) from 2 to 20% by weight, based on (a) of one or more urea derivatives of the formula K-(-NHCO-NH-R).sub.2 (I), where K is 1,5-naphthylene or 4,4'-diphenylenemethane, R is alkyl of 12 to 18 carbon atoms, alkenyl of 12 to 18 carbon atoms, 3-(alkoxy of 8 to 18 carbon atoms)-propyl, 2-(alkylamino of 8 to 18 carbon atoms)-ethyl or (CH.sub.2).sub.3 --O--(CH.sub.2 --CH.sub.2 O).sub.n --R.sup.1, R.sup.1 is alkyl of 2 to 8 carbon atoms or phenyl and n is 1, 2, 3 or 4, and which are obtained by milling (a) with (b) in the absence of a grinding medium.
When used in printing inks, such as offset printing inks, the formulations give deeply colored prints in very pure hues, with very low graininess of the ink.

REFERENCES:
patent: 2699443 (1955-01-01), Eastes et al.
patent: 3560235 (1971-02-01), Sarfas et al.
patent: 3728301 (1973-04-01), Speace et al.
patent: 3748164 (1973-07-01), Akamatsu et al.
patent: 3849150 (1974-11-01), Schrempp et al.
patent: 4069064 (1978-01-01), Nett et al.

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