Oligomer triarylmethane dyes

Details Oligomer triarylmethane dyes Oligomer triarylmethane dyes

C - Chemistry, Metallurgy

09

B

C09B 11/12 (2006.01) C09B 69/10 (2006.01) D06P 1/42 (2006.01)

Patent

CA 2198032

Triarylmethanes of formula (I), in which: m is 1-100; L1 and L2 represent C2- C4 alkylene; R3 represents hydrogen or optionally substituted C1-C4 alkyl; R4, R5, R6 and R7 represent hydrogen, optionally substituted C1-C4 alkyl or optionally substituted phenyl; Q represents an aryl group; and AnO represents an anion. Also disclosed are the use of these dyes for dyeing or printing polymer material.

L'invention concerne des triarylméthanes de formule (I) dans laquelle m est compris entre 1 et 100; L?1¿ et L?2¿ représentent alkylène C¿2?-C¿4?; R?1¿ et R?2¿ représentent hydrogène, alkyle C¿1?-C¿4?, alcoxy C¿1?-C¿4? ou halogène; R?3¿ représente hydrogène ou alkyle C¿1?-C¿4? éventuellement substitué; R?4¿, R?5¿, R?6¿ et R?7¿ représentent hydrogène, alkyle C¿1?-C¿4? éventuellement substitué ou phényle éventuellement substitué; Q représente un radical aryle et An?O¿ représente l'équivalent d'un anion. L'invention concerne également leur utilisation pour la coloration ou l'impression d'un matériau polymère.

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