Reactive dyeing systems using dyes with carboxylic acid groups

Details Reactive dyeing systems using dyes with carboxylic acid groups Reactive dyeing systems using dyes with carboxylic acid groups

1977-02-28

1978-09-05

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Treatment of hides, skins, feathers and animal tissues

Tanning

8 1A, 8 65, 8 7, 8 39R, 8 41R, 8 41B, 8181, C09B 6500, D06P 136

Patent

active

041116488

ABSTRACT:
Carboxy substituted aromatic chromophores are reactively linked to fibers containing alcoholic hydroxyl groups, amino groups or thiol groups, such as cellulosic fibers, with the linkage produced in the presence of a cyanamide compound, such as cyanamide or dicyandiamide.

REFERENCES:
patent: 2440330 (1948-04-01), Dreyfus
patent: 3363972 (1968-01-01), Ulrich et al.
patent: 3535308 (1970-10-01), Schaefer et al.
patent: 3624068 (1971-11-01), Dehnert et al.

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