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首页> 外文期刊>The journal of physics and chemistry of solids >Preparation process and properties of exfoliated graphite nanoplatelets filled Bisphthalonitrile nanocomposites
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Preparation process and properties of exfoliated graphite nanoplatelets filled Bisphthalonitrile nanocomposites

机译:填充双邻苯二甲腈纳米复合片的脱落石墨纳米片的制备工艺及性能

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摘要

Exfoliated graphite nanoplatelets (xGnP) filled 4,4'-Bis (3,4-dicyanophenoxy) biphenyl (BPh) nanocomposites were prepared by a resin transfer molding process. The rheological behavior of the BPh pre-polymer, and the morphology and electrical, mechanical and thermal properties of the xGnP/BPh nanocomposites were systematically investigated. The results showed that the xGnP/BPh pre-polymer possessed a higher complex viscosity and storage modulus than the pure BPh and that the xGnP could significantly enhance the mechanical and electrical properties of the resulted nanocomposites. The electrical percolation threshold of the xGnP/BPh nanocomposites was between 5 and 10 wt% xGnP. The flexural strength and modulus of the xGnP/BPh nanocomposites with 10 wt% xGnP exhibited maximum values and their thermal stabilities were greatly improved. Those novel xGnP/BPh nanocomposites could have advanced applications in areas like aerospace and military industry.
机译:通过树脂传递模塑工艺制备了填充有4,4'-双(3,4-二氰基苯氧基)联苯(BPh)纳米复合材料的片状石墨纳米片(xGnP)。系统地研究了BPh预聚物的流变行为以及xGnP / BPh纳米复合材料的形貌以及电学,机械和热学性质。结果表明,xGnP / BPh预聚物比纯BPh具有更高的复数粘度和储能模量,并且xGnP可以显着增强所得纳米复合材料的机械和电性能。 xGnP / BPh纳米复合材料的电渗透阈值为5至10 wt%xGnP。具有10wt%xGnP的xGnP / BPh纳米复合材料的弯曲强度和模量显示出最大值,并且其热稳定性大大提高。这些新颖的xGnP / BPh纳米复合材料可能在航空航天和军事工业等领域具有先进的应用。

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