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Process for producing trialkoxysilanes of preparation and tetraalkoxysilane silane from trialkoxysilane
Process for producing trialkoxysilanes of preparation and tetraalkoxysilane silane from trialkoxysilane
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机译:由三烷氧基硅烷生产制备的三烷氧基硅烷和四烷氧基硅烷硅烷的方法
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摘要
PROBLEM TO BE SOLVED: To provide a method for producing a silane from a trialkoxysilane by the vapor-phase reaction in high reaction result at a low cost by converting a tetraalkoxysilane into the trialkoxysilane and enabling the use of the product as a raw material for the production of silane and provide a method for producing a trialkoxysilane from a tetraalkoxysilane.;SOLUTION: A vapor-phase reaction of silicon with an alcohol is carried out in the 1st reaction step to produce a trialkoxysilane, the trialkoxysilane is subjected to disproportionation reaction in the 2nd reaction step to form a silane, the tetraalkoxysilane formed as a by-product in the formation of silane is converted into the trialkoxysilane in the 3rd reaction step and the obtained trialkoxysilane is recycled as a raw material of the 2nd reaction step. As an alternative, the tetraalkoxysilane is made to react with silicon and hydrogen to form the trialkoxysilane.;COPYRIGHT: (C)2002,JPO
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