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

C - Chemistry, Metallurgy

09

B

8/30

C09B 57/00 (2006.01) C09B 1/34 (2006.01) D06P 1/38 (2006.01) D06P 1/642 (2006.01) D06P 3/68 (2006.01) D06P 5/02 (2006.01)

Patent

CA 1078555

ABSTRACT OF THE DISCLOSURE Carboxy substituted aromatic chromophores are reactively linked to fibers containing alco- holic 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.

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