Cationic polycondensate dye fixing agent and process of preparin

Details Cationic polycondensate dye fixing agent and process of preparin Cationic polycondensate dye fixing agent and process of preparin

1994-09-30

1997-05-27

Einsmann, Margaret

Bleaching and dyeing; fluid treatment and chemical modification

Color protecting process for dyed product

8551, 8554, 8495, 528422, D06P 508, D06P 139, D06P 360

Patent

active

056327811

ABSTRACT:
The present invention provides a cationic polycondensate dye fixing agent prepared by reacting (a) a mono- or polyfunctional amine having at least one reactive --NH or --NH.sub.2 group, or a salt thereof, with (b) a polycondensate-forming cyano compound at a temperature of at least about 260.degree. C.
The present invention also provides a process of improving the fastness of dyed materials using the cationic polycondensate dye fixing agent of the present invention.

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