Method of preparing carbon fibers
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United States of America Patent
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Jun 5, 2018
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app pub date -
Dec 1, 2014
filing date -
Nov 29, 2013
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Abstract
A method of producing carbon fiber, yarns, and nonwoven carbon fiber cloths, includes forming suitable polymeric precursor microfibers and/or nanofibers using a centrifugal spinning process and decomposing at least a portion of the polymeric precursor fibers to form carbon fibers. The decomposition may be accomplished by treating the polymeric precursor fibers with acid vapor from an aqueous acid solution at a temperature of less than 250° C.
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