Disperse azo dyes from 2-amino-3,5-bisfluorosulphonyl thiophene

Details Disperse azo dyes from 2-amino-3,5-bisfluorosulphonyl thiophene Disperse azo dyes from 2-amino-3,5-bisfluorosulphonyl thiophene

1982-02-08

1984-03-06

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260155, 260156, C09B 29033, C09B 2909, C09B 2936, C09B 2944

Patent

active

044353200

ABSTRACT:
Disclosed are new azo dyes from 2-amino-3,5-bisfluorosulphonyl thiophene which may be further substituted, and certain aniline, tetrahydroquinoline and benzomorpholine couplers. These dyes produce bright blue shades on hydrophobic fibres including polyesters, polyamides and cellulose esters, both by dyeing and heat transfer printing, and show improvements in one or more properties of dyeability, low energy of application, fastness to light, gas and wash, and heat stability, and have the general formula ##STR1## wherein R is hydrogen, alkyl or alkyl substituted with aryl or cycloalkyl; and C' represents an aniline, 1,2,3,4-tetrahydroquinoline, or benzomorpholine disperse dye coupling component.

REFERENCES:
patent: 2154186 (1939-04-01), Schweitzer et al.
patent: 2427995 (1947-09-01), Parker et al.
patent: 2576037 (1951-11-01), Parker et al.
patent: 2825726 (1958-03-01), Towne et al.
patent: 4283332 (1981-08-01), Gourley

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