Detailed kinetics of methylphenyldichlorosilane synthesis from methyldichlorosilane and chlorobenzene by gas phase condensation

Tong Liu; TiefengWang; Yunlong Huang; Chao Wang; Jinfu Wang

doi:10.1016/j.cjche.2014.12.009

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Detailed kinetics of methylphenyldichlorosilane synthesis from methyldichlorosilane and chlorobenzene by gas phase condensation

催化、动力学与反应工程 | Updated：2026-01-06

- Detailed kinetics of methylphenyldichlorosilane synthesis from methyldichlorosilane and chlorobenzene by gas phase condensation
- Chinese Journal of Chemical Engineering Issue 6, Pages: 954-961(2015)
- Affiliations：
  
  Beijing Key Laboratory of Green Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University,Beijing,China,100084
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2014.12.009
  CLC：
- Published：2015
- Accepted：
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Tong Liu, TiefengWang, Yunlong Huang, et al. Detailed kinetics of methylphenyldichlorosilane synthesis from methyldichlorosilane and chlorobenzene by gas phase condensation[J]. Chinese Journal of Chemical Engineering, 2015, (6): 954-961.
DOI：

Tong Liu, TiefengWang, Yunlong Huang, et al. Detailed kinetics of methylphenyldichlorosilane synthesis from methyldichlorosilane and chlorobenzene by gas phase condensation[J]. Chinese Journal of Chemical Engineering, 2015, (6): 954-961. DOI： 10.1016/j.cjche.2014.12.009.

摘要

Abstract

Methylphenyldichlorosilane (MPDS

SiCl

) is an important silicone monomer for the synthesis of highperformance polymethylphenylsiloxane polymers. In this work

the mechanism of the synthesis of MPDS from methyldichlorosilane and chlorobenzene by gas phase condensation was studied

and a kinetic model with 35 species and 58 elementary reactions was established. Experiments were carried out in a tubular reactor under a wide range of reaction conditions. The calculated mole fractions of the reactants and products were in a good agreement with the experimental results. A mechanism of the insertion of chloromethylsilylene into the C\Cl bond of chlorobenzene was proposed

which was proved to be the main pathway of MPDS production. The established kinetic model can be used in design and optimization of the industrial reactor for MPDS synthesis.

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