Cellulosic ion exchange fibers and method for preparing same

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives

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8196, 536 32, 536 43, C08B 1506

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active

042007356

ABSTRACT:
A cellulosic ion-exchange fiber having a functional group represented by the formula, ##STR1## wherein n is 1 or 2 and M is a hydrogen atom, alkali metal or ammonium residue, is produced by dipping a cellulosic fiber in an aqueous solution containing an intermediate of the formula, ##STR2## wherein n and M are as defined above; and X is halogen, in the presence of an alkali and applying heat treatment, thereby introducing the above-mentioned functional group.

REFERENCES:
patent: 3379719 (1968-04-01), Rulison
patent: 3464781 (1969-09-01), Berni et al.
patent: 4016340 (1977-04-01), Kolesinski et al.
patent: 4032293 (1977-06-01), Perrier et al.
patent: 4133929 (1979-01-01), Bowes et al.
American Dyestuff Reporter, Jun. 7, 1965, pp. 29-35.
Polymer Science USSR 7, (12), pp. 2212-2216 (1965).
Journal fur Praktische Chemie, Band 311, pp. 851-856, (1969).

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