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Apparatus and process for the surface treatment of carbon fibers

United States Patent

May 17, 2016
View the Complete Patent at the US Patent & Trademark Office
A method for surface treating a carbon-containing material in which carbon-containing material is reacted with decomposing ozone in a reactor (e.g., a hollow tube reactor), wherein a concentration of ozone is maintained throughout the reactor by appropriate selection of at least processing temperature, gas stream flow rate, reactor dimensions, ozone concentration entering the reactor, and position of one or more ozone inlets (ports) in the reactor, wherein the method produces a surface-oxidized carbon or carbon-containing material, preferably having a surface atomic oxygen content of at least 15%. The resulting surface-oxidized carbon material and solid composites made therefrom are also described.
Paulauskas; Felix Leonard (Knoxville, TN), Ozcan; Soydan (Oak Ridge, TN), Naskar; Amit K. (Knoxville, TN)
14/ 247,601
April 8, 2014
This invention was made with government support under Prime Contract No. DE-AC.sub.05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.