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以3,3,3-三氟丙基三氯硅烷和甲醇为原料,采用溶剂法合成3,3,3-三氟丙基三甲氧基硅烷,讨论了氮气流速、反应温度、原料配比、溶剂种类、滴加方式等因素对产物收率的影响。并用GC-MS对产物进行了分析。通过实验得出该反应较优的反应条件为:用正己烷作溶剂,N2流速为100mL/min,3,3,3-三氟丙基三氯硅烷和甲醇的摩尔比为1∶3.1,反应温度在70℃左右,3,3,3-三氟丙基三甲氧基硅的产率可达89.4%。
3,3,3-trifluoropropyltrimethoxysilane was synthesized by solvent method using 3,3,3-trifluoropropyltrichlorosilane and methanol as raw materials. The effects of nitrogen flow rate, reaction temperature, ratio of raw materials, Solvent type, dropping method and other factors on the yield of the product. The product was analyzed by GC-MS. The experimental results showed that the optimal reaction conditions were as follows: using n-hexane as solvent, the flow rate of N2 was 100mL / min, the molar ratio of 3,3,3-trifluoropropyltrichlorosilane to methanol was 1: 3.1, and the reaction The yield of 3,3,3-trifluoropropyltrimethoxysilane is 89.4% at about 70 ℃.