Synthesis and molecular-weight characteristics of n-vinylpyrrolidone and 2-methyl-5-vinylpyridine copolymers

被引：3
|
作者：
Kedik, S. A. [1 ]
Panov, A. V. [1 ]
Sakaeva, I. V. [2 ]
Kochkina , Yu V. [2 ]
Eremin, D. V. [1 ]
Suslov, V. V. [1 ]
机构：
[1] Inst Pharmaceut Technol, Moscow, Russia
[2] Minist Publ Hlth Russian Federat, State Sci Ctr Drug Expertise & Control, Moscow, Russia
来源：
PHARMACEUTICAL CHEMISTRY JOURNAL | 2012年 / 46卷 / 08期
关键词：
copolymer synthesis; N-vinylpyrrolidone; 2-methyl-5-vinylpyridine;
D O I：
10.1007/s11094-012-0829-6
中图分类号：
R914 [药物化学];
学科分类号：
100701 ;
摘要：
N-Vinylpyrrolidone and 2-methyl-5-vinylpyridine copolymers with various ratios of monomer units and molecular weights were synthesized by radical copolymerization using an injection method. The ratio of monomer units was determined by non-aqueous potentiometric titration and C-13 NMR methods. The viscosity-average molecular weights of copolymers containing 35 - 39 mol% of 2-methyl-5-vinylpyridine were in the range 15.2 - 27.6 kDa. Copolymers with 2-methyl-5-vinylpyridine content up to 75 +/- 5 mol% exhibited good solubility in water.
引用
收藏
页码：478 / 481
页数：4
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