Polyacrylonitrile-based polymer solution, preparing method of the same, carbon fiber precursor, manufacturing method of the same and manufacturing method of carbon fiber using the same
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United States of America Patent
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Dec 15, 2015
Grant Date -
Dec 20, 2012
app pub date -
Dec 17, 2010
filing date -
Dec 18, 2009
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Abstract
Disclosed is a method for manufacturing carbon fiber which comprises the use of un-reacted raw material monomers in solution to prepare the precursor fiber for making the carbon fiber, and a relatively short passage period through hydrogen, which reduce production costs and increase returns. The present invention further comprises the carbon fiber precursors made thereby.
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