甲基二甲氧基硅烷的微负压合成工艺研究  

STUDY ON THE MICRO-NEGATIVE PRESSURE SYNTHESIS OF METHYLDIMETHOXYSILANE

作　　者：王亚婷[1] 张从良[1] 程相林[1] 赵建宏[1] 王留成[1] 

机构地区：[1]郑州大学化工与能源学院,河南郑州450001

出　　处：《精细石油化工》2016年第1期33-36,共4页Speciality Petrochemicals

基　　金：2012年河南省重大攻关项目(No.121100910100)

摘　　要：以甲基二氯硅烷、甲醇为原料,经微负压操作工艺合成了甲基二甲氧基硅烷。在反应温度40℃,反应时间1.5h,原料摩尔比n(甲醇)∶n(甲基二氯硅烷)=1.9∶1,甲醇滴速3 mL/min的条件下,产物收率可达92.14%,目标产物经气相色谱定量分析,结构经红外确认。该工艺具有收率高、成本低、操作简便等优点,工业化前景广阔。Methyldimethoxysilane was synthesized from the reaction of methyldichlorosilane and methanol by the micro-negative pressure operation process,and in reaction temperature 40 ℃,the reaction time of 1.5h,raw material mole ratio of n（methanol）∶n（methyl dichlorosilane）=1.9∶1,methanol drop 3mL/min conditions,then the yield could reach 92.14%.The content quantitatively analysised by gas chromatographic and the structure of methyldimethoxysilane was characterized by FT-IR（Fourier Transform Infrared Spectroscopy）.The optimized synthetic route has promise in industrial production for its high yield,low cost and easy operation.

关 键 词：甲基二甲氧基硅烷 甲基二氯硅烷 合成 微负压 

分 类 号：TQ264.1[化学工程—有机化工]