1,3-双(γ-氯丙基)-1,1,3,3-四甲基二硅氧烷的制备  

Preparation of 1,3-bis(γ-chloropropyl)-1,1,3,3-tetramethyldisiloxane

作　　者：黄允河 何冰晓[1] 陈关喜[1,2] 吴清洲[1,2] 冯建跃[1,2] 

机构地区：[1]浙江大学化学系,浙江杭州310027 [2]浙江大学分析测试中心,浙江杭州310027

出　　处：《浙江大学学报（理学版）》2016年第4期416-419,451,共5页Journal of Zhejiang University（Science Edition）

基　　金：浙江省重大科技专项重点工业项目(2013C01087)

摘　　要：以二甲基氯硅烷和γ-氯丙烯为原料,经硅氢加成、水解缩合两步反应得到双官能团有机硅烷单体1,3-双(γ-氯丙基)-1,1,3,3-四甲基二硅氧烷,总产率为81.0%.对第1步硅氢加成反应进行了条件优化,确定最佳条件为:反应时间5h,催化剂用量2×10^(-5) g·mL^(-1),反应物配比1∶1,此时产率可达83.8%;第2步水解缩合反应产率为96.7%.采用红外光谱、核磁共振、气相色谱-质谱联用等检测方法对产物进行了结构鉴定.1,3-bis（γ-chloropropyl）-1,1,3,3-tetramethyldisiloxane is a reactive functional group terminated siloxane,which is synthesized using dimethylchlorosilane and allyl chloride as starting materials.Through hydrosilylation and hydrolytic condensation,1,3-bis（γ-chloropropyl）-1,1,3,3-tetramethyldisiloxane was prepared in a total yield of81%.The optimal conditions of hydrosilylation were studied.The yield of hydrosilylation was 83.8% when the reaction time was 5h,the amount of platinum catalyst was 2×10-5 g·mL-1 and the ratio of reactants was 1∶1.The yield of hydrolytic condensation was 96.7%.Additionally,IR,1 H NMR and gas chromatography-mass spectrometer were used to characterize the structure of target product.

关 键 词：二甲基氯硅烷 γ-氯丙烯 1 3-双(γ-氯丙基)-1 1 3 3-四甲基二硅氧烷 硅氢加成 水解缩合 

分 类 号：O621.3[理学—有机化学]