Reactive dyes, process for their preparation and the use...

Details Reactive dyes, process for their preparation and the use... Reactive dyes, process for their preparation and the use...

C - Chemistry, Metallurgy

09

B

C09B 29/36 (2006.01) C09B 62/44 (2006.01) D06P 1/38 (2006.01)

Patent

CA 2137763

Reactive dyes of formula Image (1), wherein R1 and R2 are each independently of the other hydrogen or C1-C4alkyl, R3, R4, R5 and R6, are each independently of one another hydrogen, C1-C4alkyl, C1-C4alkoxy, C2-C4alkanoylamino, ureido or halogen, X is chloro or fluoro, Z is a group of formula -CH=CH2 or -CH2-CH2-Y, and Y is a leaving group, and A is as defined in claim 1, are particularly suitable for dyeing or printing cellulosic fibre materials or natural or synthetic polyamide fibre materials in high tinctorial yield, and give dyeings and prints with good fastness properties.

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