Organic pigment compositions

Details Organic pigment compositions Organic pigment compositions

C - Chemistry, Metallurgy

09

B

C09B 48/00 (2006.01) C09B 19/02 (2006.01) C09B 47/04 (2006.01) C09B 57/00 (2006.01) C09B 67/22 (2006.01) C09D 7/12 (2006.01) C09D 11/00 (2006.01) C09D 11/02 (2006.01) G03G 9/09 (2006.01)

Patent

CA 2245318

This invention relates to pigment compositions containing an organic pigment treated with a pigment derivative having the formula (I) (see formula I) wherein Q represents an organic pigment moiety; X is O, S, or N-R1; Y is N-R2, O, or a direct bond; Z is -CO-, -Alk-, -Ar-, or chemically reasonable combinations thereof; Alk is C1-C5 alkylene, C2-C5 alkenylene, or C4-C5 alkadienylene, or substituted derivatives thereof; Ar is arylene; R1 is hydrogen, C1-C6 alkyl, C7-C16 aralkyl, or -CN; and R2 is hydrogen, C1-C6 alkyl, C5-C7 cycloalkyl, C7-C16 aralkyl, or C6-C10 aryl; with the provisos that (1) the cyclic moiety represented by the formula (see formula II) must be a four- to seven-membered ring, (2) Z can contain a C=O group adjacent to the nitrogen atom of the Q-CH2-N moiety only if Y is N-R2 or O, and (3) X can be O only if Y is N-R2 or O.

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