Disperse dyes which are convertible into a thermomigration fast

Details Disperse dyes which are convertible into a thermomigration fast Disperse dyes which are convertible into a thermomigration fast

1990-01-05

1992-05-26

Lee, Mary C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

534732, 534733, 534774, 534778, 534788, 534794, 534852, 534854, 540450, 540524, 540529, 546200, 546204, 546221, 548253, 548426, 552223, 558403, C09B 2314, C09B 2908, D06P 116

Patent

active

051169584

ABSTRACT:
Disperse dyes, which produce dyeings of excellent thermomigration fastness, consisting of a chromophore and a lactam or oxime radical which detaches on heating to leave an isocyanate or isothiocyanate group, which reacts with a suitable group in the environment. The disclosed dyes are described by the formula ##STR1## where F is the radical of a dye which is free of water-solubilizing groups,

REFERENCES:
patent: 4006163 (1977-02-01), Kolliker
patent: 4119621 (1978-10-01), Hansen et al.
patent: 4914190 (1990-04-01), Liechti
Gheorghiu et al, Chemical Abstracts, vol. 52, No. 14635h (1958).

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