Cationic diazacyanine dyestuffs

Details Cationic diazacyanine dyestuffs Cationic diazacyanine dyestuffs

1973-06-08

1978-08-01

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260146R, C09B 4300

Patent

active

041042689

ABSTRACT:
Dyestuffs of the formula ##STR1## WHEREIN R.sub.1 is a straight-chain alkyl, alkenyl, or alkinyl of 3-6 carbon atoms or aralkyl; R.sub.2 is aryl; R.sub.3 is hydrogen, straight-chain alkyl of 1-6 carbon atoms, straight-chain alkenyl or alkinyl of 3-6 carbon atoms or aralkyl; An is an anion; and the cyclic and acyclic radicals can be further substituted by non-ionic substituents. These dyestuffs are suitable for dyeing and printing of natural and synthetic materials, particularly of polyacrylonitrile, copolymers of acrylonitrile with other vinyl compounds, of acid modified polyesters and acid modified polyamides.

REFERENCES:
patent: 3086002 (1963-04-01), Baumann et al.
patent: 3136751 (1964-06-01), Lizuka et al.
patent: 3415807 (1968-12-01), Fisher et al.

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