TREATMENT AGENT FOR CARBON FIBER PRECURSOR, AND CARBON FIBER PRECURSOR
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Apr 10, 2023
filing date -
Apr 10, 2023
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Abstract
Disclosed is a carbon fiber precursor treatment agent that contains a smoothing agent (A) and (poly)oxyalkylene derivative (B). The smoothing agent (A) contains an ester compound (A1) of glycerin and a fatty acid containing fatty acid (X). The fatty acid (X) is a fatty acid with 16 to 24 carbon atoms. The proportion of the fatty acid (X), determined by the following mathematical equation, is 50% by mass or more: Proportion of fatty acid (X)=(Total mass of fatty acid with 16 to 24 carbon atoms derived from ester compound (A1) in the carbon fiber precursor treatment agent/Total mass of fatty acid derived from ester compound (A1) in the carbon fiber precursor treatment agent)×100.
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