6-Hydroxypyrid-2-one azo dyestuffs

Details 6-Hydroxypyrid-2-one azo dyestuffs 6-Hydroxypyrid-2-one azo dyestuffs

1974-11-18

1976-05-18

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260154, 260155, 260283CN, 260287R, 260289R, 260468K, C09B 6208, C09B 6216, C09B 6224, C09B 6250

Patent

active

039577473

ABSTRACT:
A dyestuff of the formula ##SPC1##
Wherein m is 1, 2 or 3; R.sup.9 is ##SPC2##
Wherein n is 0 or 1 and R" is hydrogen or lower alkyl or ##SPC3##
Wherein p is 1, 2 or 3; R.sup.10 is C.sub.1.sub.-6 alkyl, benzyl, sulphobenzyl, phenyethyl, sulphophenylethyl, ##EQU1## wherein r is 2 to 6, ##SPC4##
Or ##SPC5##
Wherein R" has the meaning given above and the dyestuff as a whole contains only one group represented by Z, and Z is a cellulose-reactive group. The dyestuff is useful in dyeing and printing cellulose, polyamide and wool textile materials. Textile dyes with the above dyestuff exhibits good fastness to washing and to bleaching and good resistance to acids and alkalies.

REFERENCES:
patent: 1893646 (1933-01-01), Holzach et al.
patent: 1898911 (1933-02-01), Straub et al.
patent: 1969463 (1934-08-01), Holzach et al.
patent: 2044329 (1936-06-01), Raeck et al.
patent: 2231705 (1941-02-01), Dickey
patent: 2883374 (1959-04-01), Enders
patent: 2910464 (1959-10-01), Fasciati et al.
patent: 3117959 (1964-01-01), Dehnert
patent: 3234206 (1966-02-01), Liechti
patent: 3725383 (1973-04-01), Austin et al.

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