Efficient Cationic Ring-Opening Polymerization of Diverse Cyclic Imino Ethers: Unexpected Copolymerization Behavior
作者:Hanneke M. L. Lambermont-Thijs、Martin W. M. Fijten、A. J. (Ton) van der Linden、Bart M. van Lankvelt、Meta M. Bloksma、Ulrich S. Schubert、Richard Hoogenboom
DOI:10.1021/ma200426y
日期:2011.6.14
polymerization procedure for 2-oxazolines seems to be ideally suited for slower polymerizing cyclic imino ether monomers. In this study we report the effect of the cyclic imino ether structure on the polymerization rate under exactly the same microwave-assisted conditions revealing that indeed less reactive cyclic imino ethers, including 2-oxazines as well as 4- and 5-substituted 2-oxazolines, can be polymerized
最近开发的2-恶唑啉的快速微波辅助阳离子开环聚合方法似乎非常适合于较慢的环状亚氨基醚单体的聚合。在这项研究中,我们报告了在完全相同的微波辅助条件下,环状亚氨基醚结构对聚合速率的影响,揭示了反应活性较低的环状亚氨基醚,包括2-恶嗪以及4-和5-取代的2-恶唑啉可以在10小时内将最慢的单体5-甲基-2-丁基-2-恶唑啉聚合到至少50%的转化率。此外,