Organic pigment compositions

Details Organic pigment compositions Organic pigment compositions

1997-09-02

1999-03-09

Rotman, Alan L.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

546 56, 106400, 106410, 106493, 106499, C09B 4800, C07D47100

Patent

active

058794441

ABSTRACT:
This invention relates to pigment compositions containing an organic pigment treated with a pigment derivative having the formula (I) ##STR1## wherein Q represents an organic pigment moiety;
X is O, S, or N--R.sup.1 ;
Y is N--R.sup.2, O, or a direct bond;
Z is --CO--, --Alk--, --Ar--, or chemically reasonable combinations thereof;
Alk is C.sub.1 -C.sub.5 alkylene, C.sub.2 -C.sub.5 alkenylene, or C.sub.4 -C.sub.5 alkadienylene, or substituted derivatives thereof;
Ar is arylene;
R.sup.1 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.7 -C.sub.16 aralkyl, or --CN; and
R.sup.2 is hydrogen, C.sub.1 -C.sub.6 alkyl, C.sub.5 -C.sub.7 cycloalkyl, C.sub.7 -C.sub.16 aralkyl, or C.sub.6 -C.sub.10 aryl;
with the provisos that
(1) the cyclic moiety represented by the formula ##STR2## must be a four- to seven-membered ring, (2) Z can contain a C.dbd.O group adjacent to the nitrogen atom of the Q--CH.sub.2 --N moiety only if Y is N--R.sup.2 or O, and
(3) X can be O only if Y is N--R.sup.2 or O.

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