Method for improving the lightfasteness of nylon dyeings using c

Details Method for improving the lightfasteness of nylon dyeings using c Method for improving the lightfasteness of nylon dyeings using c

1988-02-10

1989-03-21

Lieberman, Paul

Bleaching and dyeing; fluid treatment and chemical modification

Color protecting process for dyed product

8624, 8724, D06P 502, D06P 510

Patent

active

048139700

ABSTRACT:
This invention is directed to a method for the lightfastness enhancement of dyed nylon fibers by applying at least 10 ppm copper in the form of an alkyl, aryl, or alkyl-aryl copper sulfonate before, during, or after dyeing the nylon fibers.

REFERENCES:
patent: 4253843 (1981-03-01), Bannigan, Jr.
patent: 4383835 (1983-05-01), Preuss et al.
patent: 4544372 (1985-10-01), Heise et al.
patent: 4613334 (1986-09-01), Thomas et al.

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