Carbon fiber and process for preparing same.

摘要

Carbon fiber superior in processability and in physical properties as a composite is obtained by treating carbon fiber with an epoxy resin composition incorporating a polyalkylene ether glycol derivative represented by the following general formula (I) or (II);
<Chemistry id="chema01" num="0001"><Image id="ia01" he="36" wi="80" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry><Chemistry id="chema02" num="0002"><Image id="ia02" he="22" wi="80" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>wherein R, is alkylene of C<Sub>1</Sub> to C<Sub>30</Sub>, R<Sub>2</Sub> is alkyl of C<Sub>1</Sub> to C<Sub>30</Sub>, R<Sub>3</Sub> and R<Sub>4</Sub> are each hydrogen or methyl, R<Sub>s</Sub> is glycidyl, X is ether linkage (-0-) or ester linkage
<Chemistry id="chema03" num="0003"><Image id="ia03" he="10" wi="30" file="IMGA0003.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>m and n are integers of 1 to 20.