Hollow cellulosic fibers

Details Hollow cellulosic fibers Hollow cellulosic fibers

C - Chemistry, Metallurgy

08

B

260/213

C08B 16/00 (2006.01) C08B 5/00 (2006.01)

Patent

CA 1082692

HOLLOW CELLULOSIC FIBERS ABSTRACT: Hollow cellulosic fibers are produced by nitrosating and dissolving a cellulosic material in an aprotic solvent selected from the group consisting of a dialkylacylamide and dimethylsulfoxide and regenerating the dissolved cellulose by contacting the cellulose solution with a regenerant. The regenerant is n-octanol where the solvent is a dialkylacylamide and n-hexanol where the solvent is dimethylsulfoxide. The fibers are hollow as regenerated and require no special spinnerette designs nor special spinning conditions. -1-

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