Stabilisation of organic pigments

Details Stabilisation of organic pigments Stabilisation of organic pigments

C - Chemistry, Metallurgy

09

B

C09B 31/075 (2006.01) C08K 5/34 (2006.01) C08K 5/3435 (2006.01) C08K 5/3445 (2006.01) C08K 5/3492 (2006.01) C08K 5/42 (2006.01) C09B 1/22 (2006.01) C09B 7/04 (2006.01) C09B 19/02 (2006.01) C09B 29/12 (2006.01) C09B 47/04 (2006.01) C09B 48/00 (2006.01) C09B 57/00 (2006.01) C09B 63/00 (2006.01) C09B 67/00 (2006.01) C09B 67/08 (2006.01) C09B 67/20 (2006.01) C09D 17/00 (2006.01)

Patent

CA 2116063

Stabilisation of organic pigments Abstract Pigment compositions comprising a) at least one organic pigment chosen from the group comprising azo pigments, quinacridones, phthalocyanines, indanthrones, flavanthrones, pyranthrones, anthraquinones, perylenes, dioxazines, perinones, thioindigo, isoindolines, isoindolinones and metal complexes and b) 1 to 100% by weight, based on the pigment, of an N-hydrocarbyloxy amine consisting of at least one unsubstituted or substituted 5-, 6 or 7-membered heterocyclic ring containing a divalent group of the formula Image (I) or Image (II), in which R is C1-C18alkyl, C2-C12alkenyl. C2-C12alkynyl, C5-C12cycloalkyl, C6-C10aryl or C7-C12aralkyl, R1 and R2 independently of one another are methyl, ethyl or phenyl, or together form a to 12-membered aliphatic ring, and L is an aromatic radical. These pigment compositions are distinguished by an outstanding resistance to light and weathering.

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