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Engineering High Performance Epoxy Thermosets Using Next-Generation Impact Modification, Madhura Pawar
Engineering High Performance Epoxy Thermosets Using Next-Generation Impact Modification, Madhura Pawar
Doctoral Dissertations
Optimization of fracture toughness of high Tg thermosets was done through systematic investigation of different formulations of reactive functional modifiers using soft particle impact modification. Important parameters like particle size, interparticle distance (IPD) were varied by altering cure kinetics and modifying the molecular architecture of the additives. The best performing systems showed an increase in fracture toughness of 70-80% with an optimum Rp of 1.3 μm and IPD of 0.4 μm at 15 vol% impact modifier. In addition, a new platform of using block copolymer blends was studied for its feasibility to achieve non-spherical morphology for effective impact …