Cellulosic ion exchange fibers and preparing method thereof

Details Cellulosic ion exchange fibers and preparing method thereof Cellulosic ion exchange fibers and preparing method thereof

C - Chemistry, Metallurgy

08

B

6/65, 260/217.1

C08B 11/145 (2006.01) B01J 39/22 (2006.01) C08B 11/14 (2006.01)

Patent

CA 1099708

ABSTRACT OF THE DISCLOSURE A cellulosic ion-exchange fiber having a func- tional group represented by the formula, Image 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, Image 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.

322557

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