直接法合成二甲基二氯硅烷单体反应<br /> 体系的热力学计算<br />
Journal Title: Science Paper Online - Year 2006, Vol 1, Issue 1
Abstract
为了确定直接法合成反应的控制步骤，对这一复杂反应体系进行了系统的热力学平衡计算。计算结果表明，从热力学的角度来看，主产物二甲基二氯硅烷（M2）并非优先生成，反应产物的分布情况实际上为主反应和各副反应的动力学所控制。在整个反应体系中，包括以下三个平行反应：CH3Cl热裂解生成含氢硅烷、CH3Cl催化裂解生成非M2甲基氯硅烷副产物和CH3Cl吸附解离生成主产物M2。反应产物的分布情况由这三个相互竞争的平行反应的反应速率决定的。要提高M2的选择性，必须降低CH3Cl的裂解反应，包括热裂解和催化裂解反应。计算结果与文献中实验值进行了对比分析，吻合良好。
Authors and Affiliations
Wuxi Luo, Guangrun Wang, Jinfu Wang
Keywords
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