【作者】 李春华； 林强； 董占能；

【Author】 LI Chun-hua;LIN Qiang;DONG Zhan-neng Institute of Land and Source Engineering, Kunming University of Science and Technology Kunming, 650093, China Institute of Science and Technology, Hainan University Haikou, 570228, China

【机构】 昆明理工大学国土与资源工程学院； 海南大学理工学院；

【摘要】 以二氯硅烷为原料,通过Wurtz还原反应合成出聚二甲基甲基苯基硅烷共聚物.考察了影响反应的多种因素;利用UV、FT-IR初步确定了产品的结构和组成.结果表明:合成时在原料经过精制、添加适量的螯合剂和催化剂的条件下,产品中高聚物的含量明显增多,产率大幅提高,达67%.在此基础上对反应机理进行了讨论.更多还原

【Abstract】 Using dichlorosilanes as reactants, Copolydimethyl-methylphsilanes was synthesized by wurtz couplingreaction. The effecting factors of the reaction were investigated; The structure and composition of this copolymers wasdetermined by UV. FT-IR. The results showed that the proportion of high-polymers was increased and the yield of theproduct were raised to 67% under the conditions of purified materials, chelatant and using FeCl₂ as catalyst. Based onthis, the reaction mechanism was discussed.更多还原