聚甲基丙烯酸锡酯的NMR研究——Ⅰ.高分辨^(13)C-NMR谱归属和聚合物立构规整度  

NMR Studies on Poly(tri-alkyltin methacrylate)s——Ⅰ. Carbon-13 NMR Spectra Assignments & the tacticity

作　　者：许丹倩[1] 王源身[1] 徐种德[2] 韩哲文[2] 

机构地区：[1]华东师范大学波谱研究室 [2]华东化工学院高分子化学与物理研究室

出　　处：《功能高分子学报》1990年第1期48-52,共5页Journal of Functional Polymers

基　　金：国家自然科学基金

摘　　要：本文研究的样品是由自由基溶液聚合而成的聚甲基丙烯酸锡酯系列,对其^(13)C-NMR谱进行了详细的归属,并且定量研究了样品在CDCl_3溶液中的空间构型。结果表明,样品的空间立构以间规立构为主,随着取代基极性的减弱和体积的增大,间规立构的含量相应减少。Samples studied are poly(tri-alkyltin methacrylate)s polymerized by radical polymerization. The Carbon-13 NMR spectra of the polymers were assigned, and the sequence distribution of the polymers in CDCl_3 was calculated, the results indicated that the polymers are syndiotactic-rich and the syndiotacticity decreases with the decreases of the polarity and the increases of the space of the substituents.

关 键 词：聚甲基 丙烯酸锡酯 NMR 空间立构 

分 类 号：O634.43[理学—高分子化学]