In situ exfoliation method to fabricate a graphene-reinforced polymer matrix composite (G-PMC)
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United States of America Patent
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Feb 20, 2018
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Mar 14, 2013
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Oct 19, 2012
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Abstract
A method for forming a graphene-reinforced polymer matrix composite is disclosed. The method includes distributing graphite microparticles into a molten thermoplastic polymer phase; and applying a succession of shear strain events to the molten polymer phase so that the molten polymer phase exfoliates the graphite successively with each event until at least 50% of the graphite is exfoliated to form a distribution in the molten polymer phase of single- and multi-layer graphene nanoparticles less than 50 nanometers thick along the c-axis direction.
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