Carbon fiber surface oil changing method
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United States of America Patent
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Nov 24, 2015
Grant Date -
Feb 12, 2015
app pub date -
Aug 9, 2013
filing date -
Aug 9, 2013
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Abstract
A changing method includes the steps of supplying a carbon fiber material with a surface covered by a thermosetting resin oil, performing a desizing step to remove the thermosetting resin oil from the surface of the carbon fiber material, performing a surfactant coating step to coat a surfactant onto the surface of the carbon fiber material, and performing a sizing step to cover a surface of the surfactant by a thermosetting resin oil, so as to obtain a carbon fiber material with a thermosetting resin oil coated onto the surface of the carbon fiber material.
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