Polymerizable diketopyrrolopyrroles and polymers prepared...

Details Polymerizable diketopyrrolopyrroles and polymers prepared... Polymerizable diketopyrrolopyrroles and polymers prepared...

C - Chemistry, Metallurgy

09

B

C09B 57/00 (2006.01) C07D 487/04 (2006.01) C08F 246/00 (2006.01) C08G 18/38 (2006.01) C08G 61/12 (2006.01) C09B 69/10 (2006.01)

Patent

CA 2196137

1,4-Diketopyrrolopyrroles of the formula (see fig. I) (?) in which A and B independently of one another are a group of the formula (see fig. II) , or (see fig. III) , R1 is a long-chain radical containing a reactive group capable of polymerization, and R2 is C1-C6alkyl, (see fig. IV) or R1. For the definition of the radicals R3-R9 refer to claim 1. The novel diketopyrrolopyrroles are suitable for preparing coloured polymers with unexpectedly advantageous colour effects.

,4-dicétopyrrolopyrroles de la formule (voir fig. 1) (?) où A et B, indépendamment l'un de l'autre, sont un groupe de formule (voir fig. 2) ou (voir fig. 3), où R1 est un radical à chaîne longue contenant un groupement réactif susceptible de se polymériser et où R2 est un alkyle en C1-C6 (voir fig. 4) ou R1. Pour la définition des radicaux R3 à R9, consulter la revendication 1. Les nouveaux dicétopyrrolopyrroles peuvent servir à l'obtention de polymères colorés à effets de couleurs remarquablement intéressants.

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