Rapid stabilization process for carbon fiber precursors
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United States of America Patent
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Jan 7, 1992
Issued Date -
N/A
app pub date -
Jul 11, 1986
filing date -
Mar 7, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Carbon fiber precursors are stabilized regarding their mechanical properties by conducting the stabilization procedure in at least two steps, the first at a temperature at which the maximum plasticity of the polymer is attained while stretching the fiber 10-50% and the second at 200.degree.-300.degree. C., but higher than the first.
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