Process for coloring cellulose on polyester with water-insoluble

Details Process for coloring cellulose on polyester with water-insoluble Process for coloring cellulose on polyester with water-insoluble

1988-04-04

1990-03-13

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Mixed dyes, noncomplexed

8662, 8693, 8696, 534854, D06P 342, D06P 348, D06P 354, C09B 29085

Patent

active

049080423

ABSTRACT:
Azo dyes of the formula ##STR1## wherein R.sup.1 is alkyl having 1 to 4 carbon atoms; R.sup.2 is alkyl having 1 to 3 carbon atoms; R.sup.3 is alkylcarbonyloxyethyl having 1 to 3 carbon atoms in the alkyl moiety, alkoxycarbonyloxyethyl having 1 to 4 carbon atoms in the alkoxy moiety, methoxyethoxycarbonyloxyethyl or ethoxyethoxycarbonyloxyethyl; and R.sup.4 is one of the definitions of R.sup.3 or cyanoethyl; or mixtures of at least two species of said formula are used for dyeing and printing hydrophobic fiber materials.

REFERENCES:
patent: 3520871 (1970-07-01), Zanella
patent: 3962209 (1976-06-01), Gotteschlich et al.
patent: 4189427 (1980-02-01), Komorowski
patent: 4479899 (1984-10-01), Hamprecht

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