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Manufacturing process of a carbon fiber from a cellulosic fiber

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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https://hal-univ-pau.archives-ouvertes.fr/hal-03117447
Contributor : Hal Iprem <>
Submitted on : Thursday, January 21, 2021 - 11:02:05 AM
Last modification on : Tuesday, February 2, 2021 - 2:58:06 PM

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  • HAL Id : hal-03117447, version 1

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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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