Adjusting pH in dyeing processes using CO.sub.2

Details Adjusting pH in dyeing processes using CO.sub.2 Adjusting pH in dyeing processes using CO.sub.2

1993-02-02

1994-03-22

Klemanski, Helene

Bleaching and dyeing; fluid treatment and chemical modification

Reactive gas or reactive vapor utilized in dye process

8505, D06P 100

Patent

active

052959988

ABSTRACT:
A method to establish, maintain and control pH using carbon dioxide in aqueous dyeing processes applicable to dyeing a wide range of substrates with an aqueous dyeing solution incorporating either a water soluble or insoluble, natural or synthetic type of dye in batch or continuous processes, and at atmospheric pressure or under pressure.

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patent: 4732572 (1988-03-01), Dilling
patent: 5009667 (1991-04-01), Beck et al.

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