Process for bleaching cellulosic fibre materials using oligomers

Details Process for bleaching cellulosic fibre materials using oligomers Process for bleaching cellulosic fibre materials using oligomers

1982-12-17

1985-01-29

Padgett, Ben R.

Compositions

Oxidative bleachant, oxidant containing, or generative

Plural oxidants

25218621, 25218628, 25218629, C09K 300, D06L 302

Patent

active

044964722

ABSTRACT:
Oligomers of the formula ##STR1## wherein Y.sub.1 is hydrogen or --CO--T.sub.1, R.sub.1 Q.sub.1 and T.sub.1 are alkyl and n.sub.1 is 1 to 16, or alkali metal salts thereof, are used as stabilizers in peroxide-containing alkaline liquors for bleaching cellulosic fibre materials.

REFERENCES:
patent: 3122417 (1964-02-01), Blaser et al.
patent: 3542918 (1970-11-01), Berth et al.
patent: 3562169 (1971-02-01), Prentice
patent: 3621081 (1971-11-01), Prentice
patent: 3740187 (1973-06-01), Kowalski
patent: 3795625 (1974-03-01), Kowalski
patent: 4077997 (1978-03-01), Blum et al.
patent: 4190615 (1980-02-01), Becker
patent: 4254063 (1981-03-01), Becker
patent: 4263160 (1981-04-01), Morse
patent: 4323465 (1982-04-01), Downey et al.

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