Novel diketopyrrolopyrrole compositions

Details Novel diketopyrrolopyrrole compositions Novel diketopyrrolopyrrole compositions

C - Chemistry, Metallurgy

09

B

C09B 57/00 (2006.01) C09B 67/22 (2006.01) C09D 11/02 (2006.01) C09D 17/00 (2006.01)

Patent

CA 2236619

Substance compositions, which comprise at least 3 diketopyrrolopyrroles of formulae (see fig. I) , (see fig. II) and (see fig. III), wherein A is a (see fig. IV) group and B is a (see fig. V) or (see fig. VI) group, R1 is C1-C6alkyl, C1-C6alkoxy, C1-C6alkylthio, halogen or phenyl, R2 is a COX (group, wherein X is NR4R5 or a heterocyclic radical containing at least 2 N atoms, one of which N atoms forms an amide with the carbonyl group, R3 is hydrogen, halogen or C1-C6alkyl, The meaning of R4 and R5 is as defined in claim 1. Admixture of such a substance composition to diketopyrrolopyrrole pigments improves the rheological behaviour of the latter as well as the gloss of the colorations produced therewith to an unexpected degree.

Divulgation de compositions de substances, comprenant au moins 3 dicétopyrrolopyrroles de formules (voir figure I), (voir figure II) et (voir figure III), dans lesquelles A est un groupement (voir figure IV) et B est un groupement (voir figure V) ou (voir figure VI), R1 est un alkyle en C1-6, un alcoxy en C1-6, un thioalkyle en C1-6, un halogène ou un phényle, R2 est un groupement COX, dans lequel X est NR4R5 ou un radical hétérocyclique contenant au moins deux atomes d'azote, dont l'un forme un groupement amide avec le groupement carbonyle, R3 est un hydrogène, un halogène ou un alkyle en C1-6. La signification de R4 et de R5 est définie dans la revendication 1. L'admixtion d'une telle composition de substances à des pigments dicétopyrrolopyrroliques résulte en une amélioration inattendue du comportement rhéologique de ces derniers ainsi que de la brillance des colorations qu'ils produisent.

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