Method for the preparation of carbon fiber from polyolefin fiber precursor
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United States of America Patent
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Nov 28, 2017
Grant Date -
Sep 24, 2015
app pub date -
Mar 30, 2015
filing date -
Sep 30, 2011
priority date (Note) -
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Abstract
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.
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International Classification(s)
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- D01D:MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE....
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- C08F:MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONL....
- D06M:TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D0....
- D01F:CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL....
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