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METHOD FOR THE PREPARATION OF CARBON FIBER FROM POLYOLEFIN FIBER PRECURSOR, AND CARBON FIBERS MADE THEREBY

United States Patent Application

20150267322
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Methods for the preparation of carbon fiber from polyolefin fiber precursor, wherein the polyolefin fiber precursor is partially sulfonated and then carbonized to produce carbon fiber. Methods for producing hollow carbon fibers, wherein the hollow core is circular- or complex-shaped, are also described. Methods for producing carbon fibers possessing a circular- or complex-shaped outer surface, which may be solid or hollow, are also described.
Naskar, Amit Kumar (Knoxville, TN), Hunt, Marcus Andrew (Oak Ridge, TN), Saito, Tomonori (Knoxville, TN)
UT-BATTELLE, LLC (Oak Ridge TN)
14/ 672,318
March 30, 2015
[0002] This invention was made with government support under Prime Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.