六甲基二苯基三硅氧烷的制备研究  

Study on the preparation of hexamethyldiphenyl trisiloxane

作　　者：朱淮军 吴海鹰 Zhu Huaijun;Wu Haiying(Guangdong Research Institute of Rare Metals,Guangdong Academy of Sciences,Guangzhou 510651)

机构地区：[1]广东省稀有金属研究所,广东省科学院,广州510651

出　　处：《化工新型材料》2021年第4期99-102,共4页New Chemical Materials

基　　金：广东省科技计划项目(2017A070701024);广州市科技计划项目(201802010065和201902010025);广东省科学院资助项目(2018GDASCX-0942)。

摘　　要：以二苯基硅二醇和六甲基二硅氧烷为原料,合成六甲基二苯基三硅氧烷,确定最佳反应条件,以强酸性阳离子树脂为催化剂,用量为总质量的10%,反应温度为70℃,原料配比n(六甲基二硅氧烷)∶n(二苯基硅二醇)=1.1,以甲基环己烷为溶剂,用量为二苯基硅二醇和六甲基二硅氧烷总质量的50%,反应时间为120min。Hexamethyldiphenyl trisiloxane was synthesized by diphenyl silicon glycol and hexamethyldisiloxane.The optimum reaction conditions were determined:using strongly acidic cationic resin as catalyst,the amount of catalyst was 10% of the total mass,the reaction temperature was 70℃,the ratio of n(hexamethyldisiloxane)∶n(diphenyl silicon glycol)was 1.1,using methylcyclohexane as solvent,and the amount was 50% of the total mass of glycol and hexamethyldisiloxane,the reaction time was 120 min.

关 键 词：二苯基硅二醇 六甲基二硅氧烷 六甲基二苯基三硅氧烷 合成 

分 类 号：TQ264.1[化学工程—有机化工]