Quaternized azo dyestuffs

Details Quaternized azo dyestuffs Quaternized azo dyestuffs

1976-01-12

1978-09-12

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260146D, 260147, 260154, 260155, 260208, C09B 4300

Patent

active

041137175

ABSTRACT:
Azo dyestuffs devoid of carboxylic acid and sulphonic acid groups and of the formula I: ##STR1## wherein A.sym. is a positively-charged aromatic or heterocyclic group, X.crclbar. is an anion; R is hydrogen or an optionally-substituted alkyl, aryl, aralkyl or cycloalkyl group, R.sup.1 is hydrogen, or an optionally-substituted alkyl or aralkyl group and the quinoline ring may be further substituted, and processes for the manufacture of such dyestuffs which are useful for the coloration of synthetic polymeric materials such as acrylonitrile polymers and copolymers.

REFERENCES:
patent: 3332930 (1967-07-01), Mohr et al.
patent: 3542758 (1970-11-01), Hegar

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