Controlling the Fast ATRP of N-Isopropylacrylamide in Water
Controlling the Fast ATRP of N-Isopropylacrylamide in Water
复制标题
控制水中 N-异丙基丙烯酰胺的快速 ATRP
DOI：
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发表时间：
2009
期刊：
影响因子：
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通讯作者：
A. Müller
中科院分区：
文献类型：
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作者：
Pierre;N. Mougin;A. Böker;A. Müller
n -异丙基丙烯酰胺（NIPAAm）的原子转移自由基聚合（ATRP）在低温（4℃）纯水中进行，以可控的方式（Mn/Mw≤1.2）接近定量转化。研究了不同的引发剂、配体、卤化铜和铜(I) /铜（II）的配比，以加强控制和减少终止。反应进行的动力学非常快，需要大量的Cu（II）来减缓聚合。生成的聚合物成功地进行了链扩展，这表明可以获得定义良好的复杂结构。
The atom transfer radical polymerization (ATRP) of N-isopropylacrylamide (NIPAAm) conducted in pure water at low temperature (4 °C) proceeds in a controlled fashion (Mn/Mw ≤ 1.2) to near quantitative conversion. Different initiators, ligands, copper halides and ratios of copper (I) to copper (II) were investigated to enhance the control and reduce the termination. The reaction proceeds with a very fast kinetics and a high amount of Cu(II) is needed to slow down the polymerization. The generated polymers were successfully chain extended suggesting that well defined and complex architectures can be obtained.