SYNTHESIS OF END-FUNCTIONALIZED POLYMER BY MEANS OF LIVING ANIONIC-POLYMERIZATION .4. SYNTHESIS OF POLYISOPRENE AND POLYSTYRENE WITH EPOXY TERMINI BY REACTION OF THEIR ANIONIC LIVING POLYMERS WITH 2-BROMOETHYLOXIRANE

被引：26
|
作者：
TAKENAKA, K [1 ]
HIRAO, A [1 ]
NAKAHAMA, S [1 ]
机构：
[1] TOKYO INST TECHNOL,FAC ENGN,DEPT POLYMER CHEM,MEGURO KU,TOKYO 152,JAPAN
来源：
POLYMER INTERNATIONAL | 1995年 / 37卷 / 04期
关键词：
ANIONIC POLYMERIZATION; END-FUNCTIONALIZATION; EPOXY TERMINI; TLC-FID; 2-BROMOETHYLOXIRANE;
D O I：
10.1002/pi.1995.210370408
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In order to synthesize omega-epoxy-functionalized 1,4-polyisoprene omega-epoxy- and alpha,omega-diepoxy-functionalized polystyrenes, anionic living polyisoprene and polystyrene were allowed to react with excess amounts of 2-bromoethyloxirane in THF at -78 degrees C. The resulting polymers were analysed by SEC, H-1 and C-13 NMR spectroscopy, and thin layer chromatography with flame ionization detection (TLC-FID). Both mono- and di-epoxy terminated polymers of controlled molecular weights (2.5 x 10(3)-2.6 x 10(4) g/mol) and of narrow molecular weight distributions were obtained quantitatively with high functionalities.
引用
收藏
页码：291 / 295
页数：5
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