Process for the photochemical and thermal stabilization of undye

Details Process for the photochemical and thermal stabilization of undye Process for the photochemical and thermal stabilization of undye

1993-02-10

1994-03-29

Klemanski, Helene

Bleaching and dyeing; fluid treatment and chemical modification

Color protecting process for dyed product

8490, 8566, 811559, D06P 504, D06M 13325

Patent

active

052980308

ABSTRACT:
A process is described for the photochemical and thermal stabilization of undyed and dyed or printed polyester fiber materials, which comprises treating said materials with a compound of formula ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.5 alkyl,

REFERENCES:
patent: 4831068 (1989-05-01), Reinert et al.
patent: 4950304 (1990-08-01), Reinert et al.
patent: 5197991 (1993-03-01), Rembold

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