The reactions of cotton with pentafluorobenzoic acid and pentafluorobenzamide under basic conditions to yield 4-substituted tetrafluorophenyl ethers of cellulose are described. Decarboxylation of the carboxy tetrafluorophenyl cellulose to give 2,3,5,6-tetrafluorophenyl cellulose also has been accomplished. Properties of these cellulose derivatives were determined with special emphasis on radiation resistance.
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