Surface treatment of carbon microfibers
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United States of America Patent
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Jan 4, 2011
Grant Date -
Aug 21, 2008
app pub date -
Aug 20, 2007
filing date -
Jan 15, 1992
priority date (Note) -
Expired
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Abstract
A method of oxidizing the surface of carbon microfibers that includes contacting the microfibers with an oxidizing agent that includes sulfuric acid and potassium chlorate under reaction conditions sufficient to oxidize the surface. The invention also features a method of decreasing the length of carbon microfibers that includes contacting the microfibers with an oxidizing agent under reaction conditions sufficient to decrease the length.
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