Process for preparing fast dyeings and prints on cellulose fiber

Details Process for preparing fast dyeings and prints on cellulose fiber Process for preparing fast dyeings and prints on cellulose fiber

1978-12-27

1980-09-23

Welsh, Maurice J.

Bleaching and dyeing; fluid treatment and chemical modification

Multiple chemically diverse fibers or fibers with different...

Polyester fiber and cellulose fiber

8456, 8464, 81493, 8470, D06P 382

Patent

active

042240263

ABSTRACT:
Fast colorations can be obtained on cellulose materials with disperse dyestuffs containing ester groups when heat-fixation occurs in the presence of aliphatic alcohols, amines or aminoalcohols. Probably a transesterification and/or amide formation leading to significantly higher molecular weight of the dyestuffs are responsible for the good fastness properties of the colorations.

REFERENCES:
patent: 3160896 (1964-12-01), Smith
patent: 3706525 (1972-12-01), Blackwell et al.
patent: 3857676 (1974-12-01), Feess et al.
patent: 3888624 (1975-06-01), Blackwell et al.

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