SiC前駆体としてのポリカルボシランのゼオライト触媒を用いた簡易合成法(<ゲストエディターによる特集>有機-無機変換プロセス)

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概要

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• Polycarbosilane (PCS), a well known preceramic polymer which is frequently used as an SiC precursor, was synthesized from the thermal decomposition of polydimethylsilane (PDMS) in the presence of various types of zeolites as catalysts. The PDMS with different types and amounts of the zeolite catalysts was heated at 350℃ for 6h, followed by heating at 400℃ for an additional 6h in an autoclave. The use of the zeolite catalysts allowed the PCS to be synthesized under milder conditions and with a higher efficiency than those observed in the Yajima process, by accelerating the thermal decomposition of the PDMS. The PCS product was separated into three fractions, viz. the insoluble fraction, the solid and soluble fraction, and the low molecular weight liquid product. The solid and soluble PCS was characterized by TGA, FT-IR, GPC and NMR analysis, in order to study the effect of the catalvsts on the chemical properties of the polymer.

• 2006-06-01

著者

• Lee Jin-yong

  Agency For Defense Development

• Hong Lan-young

  Department Of Fine Chemical Engineering And Chemistry Chungnam National University

• Woo Hee-gweon

  Departments Of Chemistry College Of Natural Sciences Chonnam National University

• NGUYEN Chi

  Department of Fine Chemical Engineering and Chemistry, Chungnam National University

• KIM Dong-Pyo

  Dept. of Fine Chem. Eng. & Chemistry, Chungnam National University

• Nguyen Chi

  Department Of Fine Chemical Engineering And Chemistry Chungnam National University

• Kim Dong-pyo

  Dept. Of Fine Chem. Eng. & Chemistry Chungnam National University

• Kim Dong-pyo

  Dept. Fine Chem. Eng. & Chemistry Chungnam National University

• Woo Hee-gweon

  Department Of Chemistry And Institute Of Basic Science Chonnam National University

関連論文

• SiC前駆体としてのポリカルボシランのゼオライト触媒を用いた簡易合成法(有機-無機変換プロセス)
• テンプレート消失法を介してのセラミック前駆体ポリマーからのSiC基セラミック微細構造体の製作(総説)(有機-無機変換プロセス)
• Serendipitous Synthesis of Oligo(6-vinylsilyl-5-silacyclohepta-1,3-diene)s

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