ポリフェニルシランからのSiC‐炭素ナノコンポジットの合成

書誌事項

タイトル別名
  • Preparation of SiC-carbon Nanocomposites from Polyphenylsilane.
  • ポリフェニルシラン カラ ノ SiC タンソ ナノ コンポジット ノ ゴウセイ

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説明

Poly(phenylsilane) soluble in hydrocarbon was synthesized from trichlorophenylsilane using 18-crown-6 as a cocatalyst. This polymer was heated in vacuum of 6.7 Pa for 2h at 1000°C to get a precursor for composites. The precursor was fired at 1450, 1600, 1800, 2000, 2200 and 2400°C and SiC-carbon composites was formed. The size of SIC crystals was less than 10 nm below 1600°C and grew several hundred nm at 1800-2200°C. The matrix of carbon was not graphitized till 2400°C.

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