Conformation of the Linear-Dendritic Block Copolymers of Hyperbranched Polyphenylenegermane and Linear Poly(methylmethacrylate)

被引：5
|
作者：
Simonova, Maria A. [1 ]
Zamyshlyayeva, Olga G. [2 ]
Simonova, Alexandra A. [2 ,3 ]
Filippov, Alexander P. [1 ]
机构：
[1] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia
[2] Lobachevski Nizhny Novgorod State Univ, Dept Chem, Nizhnii Novgorod, Russia
[3] St Petersburg State Technol Univ Plant Polymers, Dept Chem Engn, St Petersburg, Russia
来源：
INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION | 2015年 / 20卷 / 03期
关键词：
Solutions; Conformation; Hydrodynamic characteristics; Static and dynamic light scattering; Linear-dendritic block-copolymers; MACROMOLECULES;
D O I：
10.1080/1023666X.2015.989381
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Dilute solutions of linear-dendritic block copolymers of linear poly(methylmethacrylate) with hyperbranched polyphenylenegermane were investigated by light scattering methods. The obtained results were compared with characteristics of functionalized poly(methylmethacrylate) with -Ge(C6F5)(3) terminal groups, linear poly(methylmethacrylate), and hyperbranched polyphenylenegermane. The investigated samples differ by molar masses of the linear components. It was shown that molecules of functionalized poly(methylmethacrylate) in solution have a conformation that is typical for linear polymers in good solvent, while the linear-dendritic polymers in dilute chloroform solution have compact structure and high density in comparison with linear poly(methylmethacrylate).
引用
收藏
页码：223 / 230
页数：8
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