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Patents Year : 2020

Manufacturing process of a carbon fiber from a cellulosic fiber

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Abstract

A method for manufg. carbon fibers comprises (a) impregnating a carbon fiber precursor such as a cellulose-​based fiber with an ammonium chloride soln., optionally contg. polysiloxane additives and (b) carbonization the impregnated fiber by initial heating to 20 - 110° and final heating to 900 - 1,​500°, whereby the formed carbon fiber is subjected to stretching during heating at 180 - 250° to ratio 1.02 - 1.05.
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Dates and versions

hal-03117447 , version 1 (21-01-2021)

Identifiers

  • HAL Id : hal-03117447 , version 1

Cite

Alexandre Hauck, Laurent Billon, Christophe Derail, Maxence Fache, Céline Largeau. Manufacturing process of a carbon fiber from a cellulosic fiber. France, Patent n° : FR 3096691. 2020. ⟨hal-03117447⟩
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