System and Process for Functionalizing Graphene
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United States of America Patent
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Issued Date -
Jan 16, 2014
app pub date -
Aug 12, 2013
filing date -
Apr 19, 2011
priority date (Note) -
Abandoned
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Abstract
System and process in which graphene, which may be produced on a commercial scale, is highly purified, then functionalized in a vertical plasma reactor which can also deagglomerate and/or delaminate the graphene, as well as separating or classifying the functionalized graphene particles according to size. In one disclosed embodiment, the graphene is produced by combustion of magnesium (Mg) and carbon dioxide (CO2) in a highly exothermic reaction. The graphene is separated from the other reaction products and purified in a series of washing, heating, and drying steps, following which it is functionalized and otherwise processed in the plasma reactor.
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