The five different reaction mechanisms for the gas-phase chlorosilylation of silica have been studied. A comprehensive, unified approach to the problem, based on effectiveness, surface coverage and stoichiometry of silylation is presented. It is proven that all five reactions do occur, but each mechanism has a preference for a rather limited region of pretreatment and reaction temperatures.
P. Van Der Voort, K. C. Vrancken and E. F. Vansant, J. Chem. Soc., Faraday Trans., 1995, 91, 353 DOI: 10.1039/FT9959100353
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