Method of bleaching textile fibers and activated bath for the co

Details Method of bleaching textile fibers and activated bath for the co Method of bleaching textile fibers and activated bath for the co

1977-07-25

1979-02-27

Schulz, William E.

Bleaching and dyeing; fluid treatment and chemical modification

Bleaching

Chemical

8108A, 8108R, 252 95, 252105, 260513R, D06L 300, D06L 310

Patent

active

041416856

ABSTRACT:
A sodium chlorite bath for the bleaching of textile fibers, e.g. cotton, is activated by one or more bisulfite derivatives of an organic-reducing compound having one or more aldehyde or ketone functional groups and which are capable of forming bisulfitic combination addition compounds with an alkali bisulfite. Such activators have been found to be effective in bringing about the progressive decomposition of the sodium chlorite of the bath and hence controlled bleaching at relatively low temperatures of the sodium chlorite bath.

REFERENCES:
patent: 1958483 (1934-05-01), Loughlin
patent: 2107197 (1938-02-01), Batignof
patent: 2339594 (1944-01-01), Williams
patent: 2430674 (1947-11-01), Hampel
patent: 2544562 (1951-03-01), Michael
patent: 2944872 (1960-07-01), Vermijs
patent: 3097049 (1963-07-01), Neybeck et al.
patent: 3321498 (1967-05-01), Kortland et al.
patent: 3645665 (1972-02-01), Etters
patent: 3677821 (1972-07-01), Tanaka

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