Process for the dyeing and printing of synthetic polyamides

Details Process for the dyeing and printing of synthetic polyamides Process for the dyeing and printing of synthetic polyamides

D - Textiles, Paper

06

P

8/31.07

D06P 1/384 (2006.01) C09B 57/14 (2006.01) D06P 3/24 (2006.01)

Patent

CA 1074957

PROCESS FOR THE DYEING AND PRINTING OF SYNTHETIC POLYAMIDES Abstract of the Disclosure: It had been found that dyestuffs of the formula Image (1), in which p stands for an integer of from 1 to 6, and W repre- sents, as a water-solubilizing group, the sulfo group, the sulfato group (-OSO3H), the thiosulfato group (-S-SO3H), the carboxyl group, the phosphato group (-OPO3H2), the phosphonic acid group (-PO(OH)2) or the phosphonic acid-semi-ester group of the formula -PO(OR)OH, wherein R represents an alkyl radical of from 1 to 5 carbon atoms, preferably the methyl or ethyl radical, are very suitable in dyeing and printing processes of synthetic polyamide fiber materials and yield brilliant and very fast dyeings and prints on these materials, especially even dyeings of textured polyamide f which have differences in stretching.

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