Dyeing process

Details Dyeing process Dyeing process

1977-03-08

1978-08-08

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 1A, 8 1E, 8 1XA, 8 41B, 8 42B, 8 85R, 8163, 8174, 8178R, D06P 120, C09B 100

Patent

active

RE0297240

ABSTRACT:
Dyeing nylon by applying sulphonated or unsulphonated dyestuffs containing cyclic anhydride groups, anhydride forming dicarboxylic acid groups or half-esters or half-amides thereof, as free acids or as salts with ammonia or volatile amines, and heating the fibre until dyestuff fixation takes place.

REFERENCES:
patent: 3163635 (1964-12-01), Riat et al.
patent: 3453255 (1969-07-01), Doss
patent: 3485572 (1969-12-01), Taube et al.
patent: 3624068 (1971-11-01), Derinert

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