Radical polymerization of ethyl acrylate with dead end polymerization conditions

被引：6
|
作者：
David, G [1 ]
Loubat, C [1 ]
Boutevin, B [1 ]
Robin, JJ [1 ]
Moustrou, C [1 ]
机构：
[1] Ecole Natl Super Chim Montpellier, UMR CNRS 5076, Lab Chim Macromol, F-34296 Montpellier 05, France
来源：
EUROPEAN POLYMER JOURNAL | 2003年 / 39卷 / 01期
关键词：
carboxy-telechelic oligo(ethyl acrylate); dead end polymerization; Hot" radical; functionality; transfer reaction;
D O I：
10.1016/S0014-3057(02)00182-9
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The radical polymerization of ethyl acrylate (EA) with 4,4'-azobis(4-cyanovaleric)acid as initiator was investigated in propionitrile at 363 K in order to obtain carboxy-telechelic oligo(ethyl acrylate). The results of functionality and molecular weights showed that a transfer reaction had occurred. A molecular weight study was performed in order to show the importance of transfer to solvent due to the high reactivity of the EA radical. Finally, the radical polymerization was investigated at very low temperature (253-273 K), using a redox system initiation. A behavior of dead end polymerization was observed but the activation energy of propagation for EA is still high and does not allow the synthesis of a telechelic oligomer. (C) 2002 Elsevier Science Ltd. All rights reserved.
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页码：77 / 83
页数：7
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