MANUFACTURE OF INTERMEDIATE MODULUS CARBON FIBER
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United States of America Patent
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Feb 15, 2016
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Mar 12, 2015
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Abstract
The present disclosure relates generally to carbon fibers having high tensile strength and modulus of elasticity, as well as a process for the manufacture of such carbon fiber. The process comprises spinning a polymer/solvent solution into a solvent/water bath in the range of 78%-85% solvent, thereby producing a dense fiber structure, and subsequently carbonizing the polymer precursor fiber at a lower than typical carbonization temperature to form carbon fibers.
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