Direct Synthesis of Methylchlorosilanes: Catalysts, Mechanisms, Reaction Conditions, and Reactor Designs,Organic Process Research & Development

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Direct Synthesis of Methylchlorosilanes: Catalysts, Mechanisms, Reaction Conditions, and Reactor Designs
Organic Process Research & Development ( IF 3.1 ) Pub Date : 2022-07-12 , DOI: 10.1021/acs.oprd.2c00107
Pan Zhang ₁ , Dan Zhang ₁ , Jipeng Dong ₂ , Guanghui Chen ₂ , Jianlong Li ₂

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Silicone polymers are produced commercially mainly from methylchlorosilanes prepared by direct synthesis. The yield and selectivity of this synthetic process depend not only on chemical reactions but also on transfer phenomena, leading to conflicting results and controversial interpretations within this research field. This review highlights recent advances in synthesis mechanisms, including catalysts and promoters, especially the effect of process parameters and reactor form on the reactivity and selectivity of the reaction. This review shows that different catalysts and their structures and promoters lead to significant differences in reaction rates and product distributions. Process parameters such as feed gas velocity and composition, reaction temperature, reaction pressure, silica fume, etc., as well as synthesis reactor structure have influenced the reaction rate and yield distribution. Although there is some consensus on understanding the influence of operating parameters, synthesis reactor structure, and reaction kinematics, further studies are still needed to elucidate the catalytic mechanism and synergistic mechanism between the reaction and transfer processes. It also reviews recent trends in these response characteristics in previously reported studies and offers important directions for future research in this field.

中文翻译：

甲基氯硅烷的直接合成：催化剂、机理、反应条件和反应器设计

有机硅聚合物主要由通过直接合成制备的甲基氯硅烷在商业上生产。这种合成过程的产率和选择性不仅取决于化学反应，还取决于转移现象，导致该研究领域内的结果相互矛盾和有争议的解释。本综述重点介绍了合成机制的最新进展，包括催化剂和促进剂，特别是工艺参数和反应器形式对反应的反应性和选择性的影响。该综述表明，不同的催化剂及其结构和促进剂导致反应速率和产物分布存在显着差异。原料气速度和组成、反应温度、反应压力、硅灰等工艺参数，以及合成反应器结构影响反应速率和产率分布。尽管在理解操作参数、合成反应器结构和反应运动学的影响方面存在一些共识，但仍需要进一步的研究来阐明反应和转移过程之间的催化机制和协同机制。它还回顾了先前报道的研究中这些响应特征的最新趋势，并为该领域的未来研究提供了重要方向。仍需要进一步的研究来阐明反应和转移过程之间的催化机制和协同机制。它还回顾了先前报道的研究中这些响应特征的最新趋势，并为该领域的未来研究提供了重要方向。仍需要进一步的研究来阐明反应和转移过程之间的催化机制和协同机制。它还回顾了先前报道的研究中这些响应特征的最新趋势，并为该领域的未来研究提供了重要方向。

更新日期：2022-07-12

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