| 低聚合度羟基封端聚甲基苯基硅氧烷的合成 |
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| 引用本文： | 杨成,王华兰,邬继荣,王梅英,崔志超,杨东锟.低聚合度羟基封端聚甲基苯基硅氧烷的合成[J].杭州师范学院学报(自然科学版),2014(1):6-9,17. |
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| 作者姓名： | 杨成 王华兰 邬继荣 王梅英 崔志超 杨东锟 |
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| 作者单位： | [1] 杭州师范大学有机硅化学及材料技术教育部重点实验室,浙江 杭州,311121 [2] 惯性技术航空科技重点实验室,陕西 西安,710065 |
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| 基金项目： | 航空科学基金项目（20130807001）;浙江省自然科学基金项目（L0138040002）;杭州师范大学研究生创新基金. |
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| 摘 要： | 以1，3，5-三甲基-1，3，5-三苯基环三硅氧烷（D3）为原料，水为封端剂，丙酮为溶剂，在催化剂存在下一步直接合成低聚合度羟基封端聚甲基苯基硅氧烷，主要研究了不同的催化剂、不同的工艺条件对产物收率和平均聚合度的影响，并对产物进行了表征．研究结果表明：以D3＆#39;为原料，氨水为催化剂，在50℃下反应2．5 h ，可得到羟基质量分数为3．4％的目标产物羟基封端聚甲基苯基硅氧烷，其收率为96．64％．
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| 关 键 词： | 聚甲基苯基硅氧烷 低聚合度 羟基硅油 合成 |
The Synthesis of Hydroxyl-terminated Polymethylphenylsiloxane with Low Molecular Weight |
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| YANG Cheng,WANG Hualan,WU Jirong,WANG Meiying,CUI Zhichao,YANG Dongkun.The Synthesis of Hydroxyl-terminated Polymethylphenylsiloxane with Low Molecular Weight[J].Journal of Hangzhou Teachers College(Natural Science),2014(1):6-9,17. |
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| Authors: | YANG Cheng WANG Hualan WU Jirong WANG Meiying CUI Zhichao YANG Dongkun |
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| Institution: | YANG Cheng, WANG Hualan, WU Jirong, WANG Meiying, CUI Zhichao, YANG Dongkun |
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| Abstract: | Taking 1 ,3 ,5-trimethyl-1 ,3 ,5-triphenylcyclotrisiloxane as the raw material ,water as the terminator ,acetone as the solvent ,hydroxyl-terminated polymethylphenylsiloxane with low polymerization degree was directly synthesized with catalysts in one step .The paper studied different effects of different catalysts and process conditions on the yield of the product and average polymerization degree ,and characterized the product .The results showed that 3 .4% （mass percent） hydroxyl content of the hydroxyl-terminated polymethylphenylsiloxane were obtained when using ammonia as catalyst at 50 ℃ for 2 .5 hours .At this reaction condition ,1 ,3 ,5-trimethyl-1 ,3 ,5--triphenylcyclotrisiloxane could be almost completely used up with the yield 96 .64% . |
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| Keywords: | polymethylphenylsiloxane low molecular weight hydroxyl-terminated silicone oil synthesis |
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