【摘要】 以甲基二氯硅烷、甲醇为原料 ,采用甲苯和正戊烷为混合溶剂合成了甲基二甲氧基硅烷 .通过实验获得其最佳工艺条件如下 :反应温度为 2 4℃ ,溶剂质量比m (ArCH3 )∶m (n C5H12 ) =19∶39,反应物的摩尔比n(CH3 SiHCl2 )∶n(CH3 OH) =1∶1.8,甲醇分两次滴加 .在此条件下 ,甲基二甲氧基硅烷的产率 (摩尔 )为 71% ,产品纯度大于 95 % ,并以其为功能单体 ,合成了 3种硅烷偶联剂 ,经红外光谱、核磁共振谱确定其结构更多还原

【Abstract】 Dimethoxymethylsilane was prepared by alcoholysis of methyldichlorosilane with methanol in n-pentane and toluene. The optimum reaction conditions:reaction temperature is 24℃,m(ArCH 3)∶m(n-C 5H 12)=19∶39,n(CH 3SiHCl 2)∶n(CH 3OH)=1∶1.8, methanol was added at twice.Under these conditions,the molar yield of dimethoxymethylsilane was 71%,the purity of product is over 95%.And using it as a functional monomer,three coupling agents were prepared. They were characterized by IR and 1H NMR.更多还原