Process for producing regenerated cellulosic fibers

Details Process for producing regenerated cellulosic fibers Process for producing regenerated cellulosic fibers

C - Chemistry, Metallurgy

08

B

260/213

C08B 16/00 (2006.01)

Patent

CA 1082693

PROCESS FOR PRODUCING REGENERATED CELLULOSIC FIBERS ABSTRACT OF THE DISCLOSURE: Regenerated cellulosic fibers of improved resistance to alkaline treatment are produced by nitrosating and dissolving from 5 to 14% by weight of a cellulosic material in a dialkylacylamide solvent while said solution is maintained at a temperature no greater than 20°C to form a cellulose nitrite ester, and regenerating the cellulose by contacting the cellulose ester with a regenerant. Regeneration of the cellulose occurs before significant oxidation of the cellulose takes place. - 1 -

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