Nitroxide-Mediated Radical Polymerization of N-tert-Butylacrylamide

被引：16

作者：

Gibbons, Orla ^{[2
,3
]}

Carroll, William M. ^{[2
,3
]}

Aldabbagh, Fawaz ^{[2
]}

Zetterlund, Per B. ^{[1
]}

Yamada, Bunichiro ^{[2
,3
]}

机构：

[1] Kobe Univ, Grad Sch Engn, Dept Sci & Chem Engn, Kobe, Hyogo 6578501, Japan

[2] Natl Univ Ireland, Sch Chem, Galway, Ireland

[3] Natl Univ Ireland, NCBES, Galway, Ireland

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2008年 / 209卷 / 23期

基金：

爱尔兰科学基金会;

关键词：

chain transfer; degree of polymerization ((DP)over-bar); living polymerization; nitroxide; radical polymerization;

D O I：

10.1002/macp.200800358

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 nitroxide-mediated polymerization of N-tert-butylacrylamide (TBAM) in DMF at 120 degrees C using SG1/DEPN and AIBN has been investigated. Linear growth in number-average molecular weight ((M) over bar (n)) versus conversion and narrow molecular weight distributions (MWDs) with high livingness were obtained up to approximate to 8 000 g . mol(-1). For higher molecular weights, the MWDs gradually became broader with low molecular weight tailing, and (M) over bar (n) deviated downwards from theoretical values. Quantitative analyses of MWDs, along with specifically designed conventional radical polymerizations at 120 degrees C, were consistent with chain transfer to monomer limiting the attainable (M) over bar (n). This finding can be equally applied to existing literature polymerizations of TBAM.

引用

页码：2434 / 2444

页数：11

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