Controlled Nitroxide-Mediated Radical Polymerization of Methyl and Phenyl Vinyl Ketone

被引：16
|
作者：
Hepperle, Johannes A. M. [1 ]
Luftmann, Heinrich [1 ]
Studer, Armido [1 ]
机构：
[1] Univ Munster, Inst Organ Chem, Dept Chem, D-48149 Munster, Germany
来源：
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2012年 / 50卷 / 11期
关键词：
alkoxyamines; ESI-MS spectrometry; living polymerization; nitroxide-mediated polymerization; polyvinyl ketones; CHAIN TRANSFER POLYMERIZATION; MASS-SPECTROMETRY; SYNTHETIC-POLYMERS; STYRENE; ALKOXYAMINE; COPOLYMERIZATION; METHACRYLATE; DERIVATIVES;
D O I：
10.1002/pola.25997
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 article describes unprecedented nitroxide-mediated radical polymerization of methyl and phenyl vinyl ketone (MVK and PVK) using a sterically highly hindered alkoxyamine as initiator/regulator. It is shown that controlled polymerization of PVK is far more difficult to achieve than controlled MVK polymerization. Whereas for MVK high conversion resulting in polyvinyl ketone with low polydispersity index is readily obtained, the PVK polymerization provides good results only in the presence of free nitroxide and styrene as additives. Vinyl ketone polymerizations are analyzed by ESI mass spectrometry. These MS studies provide insights into the problems associated with the controlled nitroxide-mediated polymerization of PVK. (C) 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 50: 2150-2160, 2012
引用
收藏
页码：2150 / 2160
页数：11
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