Water-insoluble monoazo-dyestuffs for synthetic fibrous material

Details Water-insoluble monoazo-dyestuffs for synthetic fibrous material Water-insoluble monoazo-dyestuffs for synthetic fibrous material

1978-04-06

1979-07-10

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260162, 260158, 260186, 260187, 260207, 260465D, 260465E, 260559A, 560 19, 560 43, C09B 2926, C09B 3108

Patent

active

041607643

ABSTRACT:
Azo-dyestuff of the formula ##STR1## in which D represents nitrophenylene, ##STR2## DINITRO-PHENYLENE, NITRO-CYANO-PHENYLENE, NITRO-CHLORO-PHENYLENE, NITRO-BROMO-PHENYLENE, TRICHLORO-PHENYLENE, NITRO-DICHLORO-PHENYLENE, DINITRO-CHLORO-PHENYLENE, DINITRO-CYANO-PHENYLENE, NITRO-BROMO-CYANO-PHENYLENE, DINITRO-BROMO-PHENYLENE, PHENYLAZO-PHENYLENE, ##STR3## R represents hydrogen, chlorine, lower alkyl, lower alkoxy, --O--CH.sub.2 --CN, --NH--CO--lower alkyl, --NH--COO lower alkyl or ##STR4## n stands for the integer 1 or 2, X represents cyano, --CO--NH.sub.2 or --COO-lower alkyl, R.sub.1 represents hydrogen, lower alkyl, lower alkylene-OH, lower alkylene-CN, lower alkylene-OCO-lower alkyl or lower alkenyl, and R.sub.2 represents lower alkyl, lower alkylene-O-CO-lower alkyl or lower alkylene-COO-lower alkyl, said dyestuffs being suitable for the dyeing or printing of synthetic fibrous materials, such as fibers of cellulose-di-, -21/2- or -triacetat, polyamides, polyurethanes, polyolefines, polycarbonates and particularly of linear polyesters, the dyeings or prints obtained being distinguished by a very good build up, tinctorial strength and a series of very good fastness properties.

REFERENCES:
patent: 2218247 (1940-10-01), McNally et al.
patent: 2633461 (1953-03-01), Seidenfaden et al.
patent: 3962209 (1976-06-01), Gotteschlich et al.

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