室温制备高硅含量VTES/St/MMA共聚乳液研究  

Preparation of VTES/St/MMA copolymerization emulsion with higher silicon content at room temperature

作　　者：尹常杰[1] 张秋禹[1] 尹德忠[1] 

机构地区：[1]西北工业大学理学院,陕西西安710129

出　　处：《现代化工》2010年第1期51-53,共3页Modern Chemical Industry

基　　金：国家自然科学基金资助项目(50773063)

摘　　要：以十二烷基苯磺酸钠/聚乙二醇辛基苯基醚为复合乳化剂,在室温下采用乳液聚合法制备了乙烯基三乙氧基硅烷/苯乙烯/甲基丙烯酸甲酯高硅含量共聚乳液,考察了聚合温度对乳液粒径、粒径分布以及硅含量的影响。结果表明:在室温下可得到硅质量分数为14.3%、粒径为79.32 nm、粒径分布为19 nm的共聚乳液。共聚乳液钙离子和酸值稳定性分析表明,乳液稳定性较好。Vinyltriethoxysilane/styrene （St）/methyl methacrylate （MMA） copolymerization emulsion is prepared at room temperature, with the compounds of sodium dodecyl benzene sulfonate （LAS）/ polyoxyethylene octylphenyl ether as mixed emulsifier. The effects of temperature on the particle size, particle size distribution and silicon content of copolymerization emulsion are investigated. The results show that：when the sihcon content of copolymers is 14.3 %, the particle size of emulsion is 79.32 nm at room temperature. The results of Ca^2 ＋ stability and acid stability tests of this copolymerization emulsion show that the emulsion has better stability.

关 键 词：乙烯基三乙氧基硅烷 共聚乳液 高硅含量 

分 类 号：TG174.4[金属学及工艺—金属表面处理]