Cycloammonium-azo-phenyl-dyestuffs containing one cyanoethyl, ca

Details Cycloammonium-azo-phenyl-dyestuffs containing one cyanoethyl, ca Cycloammonium-azo-phenyl-dyestuffs containing one cyanoethyl, ca

1977-09-30

1980-08-19

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260146R, 260154, 260158, 260162, 260163, 260465E, 260465G, 260558A, 260578, 560 20, C09B 2908, D06P 324, D06P 352, D06P 376

Patent

active

042183693

ABSTRACT:
The invention relates to new cationic azo dyestuffs which correspond to the general formula: ##STR1## in which R.sub.1 represents an alkyl radical or a substituted alkyl radical, R.sub.2 represents a hydrogen atom, an alkyl radical or a substituted alkyl radical, R.sub.3 represents a cyano, carbamoyl or carbalkoxy radical, R.sub.4 represents a hydrogen or halogen atom or an alkyl or alkoxy radical, D.sup..sym. represents a cycloammonium radical and A.sup..crclbar. represents an anion. These dyestuffs are very suitable for dyeing and printing textile materials based on polymers or copolymers of unsaturated nitriles or on acid-modified polyesters or polyamides, in shades very fast to light and wet treatments.

REFERENCES:
patent: 3763140 (1973-10-01), Entschel et al.

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