Effect of SiO2@polydopamine core/shell nanoparticles as multifunctional filler for an aeronautical epoxy resin
作者： Aldobenedetto Zotti , Simona Zuppolini , Anna Borriello , Mauro Zarrelli
DOI: 10.1016/J.MATPR.2020.01.407
关键词:
摘要: Abstract Polydopamine (PDA) coated SiO2 nanoparticles (SiO2@PDA) were considered as filler for an aeronautical graded epoxy matrix. The (NPs) synthesized by a modified one-step procedure, based on the nucleation and growth of NPs followed thin PDA layer silica surface. TEM observations have revealed that Core/Shell Nanoparticles (CSNPs) are characterized core with diameter 250 nm 15 nm thick shell. Nanocomposites different concentrations (0.1, 1 5 wt%) manufactured. Preliminary fracture toughness results show increase both KIC GIC addition 1 wt% CSNPs. Further samples will be tested thermal mechanical techniques, particular attention to stability properties.
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