Peroxide stabilization

Details Peroxide stabilization Peroxide stabilization

1979-01-02

1980-12-16

Padgett, Benjamin R.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

8111, 162 78, 162 80, 252 99, 25217416, 252181, 252186, 252526, 2605025, C11D 306, C11D 3395, C11D 756

Patent

active

042396433

ABSTRACT:
In aqueous peroxide-containing solutions used in bleaching of cellulose fiber, peroxide stability is very greatly increased by inclusion of alkali metal polyphosphate and alkali metal diethylene triamine penta(methylene phosphonate). Especially useful for addition of such stabilizers to the peroxide-containing solutions to increase such stability are essentially anhydrous compositions containing metal sequestering compounds comprising such polyphosphate and phosphonate in a weight ratio from about 10:1 to about 1:5.

REFERENCES:
patent: 3351558 (1967-11-01), Zimmerer
patent: 3387939 (1967-06-01), Reilly et al.
patent: 3451939 (1969-06-01), Ralston
patent: 3687627 (1972-08-01), Stalter
patent: 3701825 (1972-10-01), Radimor et al.
patent: 3751372 (1973-08-01), Zecher
patent: 3833517 (1974-09-01), Kling et al.
patent: 3860391 (1975-01-01), Kling et al.
patent: 3890165 (1975-06-01), Liso
patent: 3954401 (1976-05-01), Kling et al.
patent: 3992318 (1976-11-01), Gaupp et al.
"Hydrogen Peroxide Bleaching with Dequest Phosphonates", Monsanto, Aug., 1978.

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