Cellulose oxidation by a perfluorinated hydrocarbon solution of

Details Cellulose oxidation by a perfluorinated hydrocarbon solution of Cellulose oxidation by a perfluorinated hydrocarbon solution of

1990-12-20

1993-01-19

Willis, Jr., Prince

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Cellulose fibers

81161, D06M 13322

Patent

active

051803984

ABSTRACT:
A process for oxidizing cellulose involves reacting the cellulose with a solution of nitrogen dioxide in a perfluorocarbon solvent. In preferred embodiments, the solvent has a boiling point in the range between about 30.degree. C. and 100.degree. C., the nitrogen dioxide concentration in the solution is in the range between about 2% and 12% by weight, and the reactants are maintained at a temperature between about 25.degree. C. and 60.degree. C. during a reaction time fo at least about 7 hours.

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