Whitener dispersion

Details Whitener dispersion Whitener dispersion

1988-11-22

1991-09-24

Niebling, John F.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Fluorescent dye, e.g., stilbene, benzimidazole, benzoxazole,...

25230121, 25230122, 25231023, 25230124, 8922, C09B 5700, C09K 1104

Patent

active

050511114

ABSTRACT:
There are disclosed aqueous dispersions comprising water-insoluble or sparingly soluble fluorescent whitening agents, water-soluble fluorescent whitening agents, dispersants, optional solubilizers, further optional assistants and a copolymer of 2-vinylpyrrolidone and 3-vinylpropionic acid, their preparation and the use thereof for whitening polyester/cellulose fiber material. These novel dispersions are storage-stable and temperature-stable.

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