Synthesis of polyaluminocarbosilane and reaction mechanism study

Cao F.; Kim DP.; Li XD.; Feng CX.; Song YC.

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Synthesis of polyaluminocarbosilane and reaction mechanism study

机译：聚铝碳硅烷的合成及反应机理研究

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Polyaluminocarbosilane (PACS) as the precursor of high-temperature resistant SiC fibers was synthesized by reacting polycarbosilane (PCS) with aluminum(III)acetylacetonate [Al(AcAc)(3)] at 310degreesC in N-2 under ambient pressure. The reaction mechanism and the structure of PACS were investigated in detail by FTIR, GPC, GC/MS, ESCA, and elemental analysis. The reaction was proven complex involving the formation of Si-O-Al and Si-Al-Si bonds, which were accompanied by the evolution of 3-methoxy-2,2-dimethyl-oxirane, 2,3-dihydro-[1,4]dioxine, pent-3-en-2-one, and 3-ethyl-but-3-en-2-one, and acetylacetone. (C) 2002 Wiley Periodicals, Inc. [References: 13]

机译：通过使聚碳硅烷（PCS）与乙酰丙酮铝（III）[Al（AcAc）（3）]在N-2下于环境压力下于310℃反应，合成了作为耐高温SiC纤维前体的聚碳铝硅烷（PACS）。通过FTIR，GPC，GC / MS，ESCA和元素分析详细研究了PACS的反应机理和结构。该反应被证明是复杂的，涉及形成Si-O-Al和Si-Al-Si键，并伴随着3-甲氧基-2,2-二甲基-环氧乙烷，2,3-二氢-[1， 4]二恶英，戊-3-烯-2-酮和3-乙基-丁-3-烯-2-酮和乙酰丙酮。（C）2002 Wiley Periodicals，Inc. [参考：13]

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《Journal of Applied Polymer Science》 |2002年第13期|共6页
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Cao F.; Kim DP.; Li XD.; Feng CX.; Song YC.;
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正文语种 eng
中图分类高分子化学（高聚物）;高分子化合物产品;有机化学;
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机译：聚铝碳硅烷的合成及反应机理研究
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Synthesis of polyaluminocarbosilane and reaction mechanism study

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