3D Printed Carbon Polymer Composites

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Phoenix, AZ USA. Date of Talk: 2019-04-23
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3D Printed Carbon Polymer Composites

PARC has recently invented a novel composite, Chemically Linked Graphene Networks, wherein graphene sheets are chemically bonded to each other by flexible polymer linkers. Inter-particle chemical bonding restricts their movement under stress. This feature cannot be achieved with conventional particle-filled polymer composites in which the dispersed particles can move easily within the polymer matrix on impact or load. Chemically linked graphene networks produced cured architected structures with remarkably high strength when compared with the base polymers or with conventional graphene composites. These structures are enabled by a new, low cost synthetic approach to highly dispersible, chemically reactive functionalized graphene particles. In addition to enhanced mechanical strength, we have found that this material possesses additional valuable properties including outstanding gas barrier performance and high thermal conductivity. The technology is targeted for direct 3D printing of multifunctional lightweight load-bearing structural parts that may be used as a direct carbon-fiber reinforced polymer replacement, or as a replacement for some metal parts in industries such as aerospace and automotive.

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