苯乙烯-甲基丙烯酸甲酯嵌段共聚物的合成与表征  

Synthesis and Characterization of Block Copolymers of Styrene and Methyl Methacrylate

作　　者：李春刚[1] 张邦华[1] 宋谋道[1] 周庆业[1] 黎明 何炳林[1] 

机构地区：[1]南开大学高分子化学研究所,天津300071

出　　处：《高等学校化学学报》1997年第11期1879-1883,共5页Chemical Journal of Chinese Universities

基　　金：国家自然科学基金

摘　　要：采用阴离子聚合技术合成了一系列苯乙烯-甲基丙烯酸甲酯的两嵌段共聚物（PS－b－PMMA）．采用GPC、FTIR、NMR（1HNMR、13CNMR和固体NMR）和DMA等手段进行了表征．结果表明，所得产物为高分子量、窄分布、具有微相分离结构的两嵌段共聚物．A series of diblock copolymers of styrene and methyl methacrylate weresynthesized via sequential anionic polymerization. The products are diblock copolymers with highmolecular weight and narrow molecular weight distribution. The microphase-separatingstructure is proved by the information obtained from DMA and the solid state NMR. Themorphology structure is closely related to the ratio between X.M.A and Xos.

关 键 词：嵌段共聚物 苯乙烯 甲基丙烯酸甲酯 共聚物 

分 类 号：TQ325.2[化学工程—合成树脂塑料工业]