Epoxy-boron nitride nanotube (BNNT) composites were prepared using visible light through a radical-induced cationic polymerization method activated by camphorquinone. The fully cured films showed an enhancement of glass transition temperature in the presence of the filler. Electrical characterization showed a slight dielectric constant decrease with BNNT content. Finally, thermal conductivity measured using nano-flash analysis showed a linear increase in the thermal conductivity of the materials with increasing BNNT content in the photocurable formulations.
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