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The effect of molecular weight on the cross section and properties of polyacrylonitrile precursor and resulting carbon fiber

โœ Scribed by Jin-Shy Tsai; Chung-Hua Lin

Publisher
John Wiley and Sons
Year
1991
Tongue
English
Weight
732 KB
Volume
42
Category
Article
ISSN
0021-8995

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## Abstract Polyacrylonitrile (PAN) hollow fibers were pretreated with ammonium dibasic phosphate, oxidized in air, carbonized in nitrogen, and activated with carbon dioxide. The effects of the oxidation temperature of the PAN hollow fiber precursor on the microstructure, specific surface, pore siz