3D Printable Chemically Linked Particles Networks Composites

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Dallas, TX USA. Date of Talk: 2018-10-15
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3D Printable Chemically Linked Particles Networks Composites

PARC has recently developed a novel composite material technology, Chemically Linked Particle Networks (CLPN). Unlike conventional particle-filled polymer composites in which the dispersed particles can move easily within the polymer matrix on impact or load, in CLPN structures, particles are chemically bonded to each other by flexible polymer linkers. Chemical bonding restricts their movement under stress and as a result, CLPNs enables materials with enhanced mechanical properties (strength, stiffness, toughness) when compared with conventional particle-filled polymer composites. The technology is targeted for direct 3D printing of 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. Here, we present a demonstration of our technology with chemically linked graphene networks. In addition to enhanced mechanical strength, we have found that this material possesses other valuable properties including outstanding gas barrier performance and high thermal conductivity.

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