微流场技术因其良好的传质传热性能应用于各种机理的聚合反应中，引起了学术界和工业界的广泛关注。本文聚焦于高度放热的离子聚合，总结了近年来不同单体连续流阴/阳离子聚合的研究进展。微反应器在改善离子聚合苛刻的反应条件、精确地控制聚合产物分子量及其分布、调控共聚物结构等方面显示出釜式反应器无法比拟的优势。此外，本文对连续流离子聚合的工业化应用前景进行了探讨和展望。
Continuous flow polymerizations in the microreactors have attracted great research interest from both academia and industry. Remarkable advantages have been achieved by using microflow technology due to its superior mixing and heat transfer performance. This review focused on the recent progress in highly exothermic ionic polymerizations in microreactors. Compared with the traditional batch reactors, continuous flow anionic/cationic polymerizations show tremendous benefits, including but not limited to improvement of reaction conditions, good control of the molecular weight and the molecular weight distribution, and highly efficient construction of block structures. Moreover, the applications of continuous flow ionic polymerizations in the industry are discussed and prospected.
Contents
1 Introduction
2 Cationic polymerization in continuous flow
2.1 Controlled/living cationic polymerization of vinyl ethers in continuous flow
2.2 Controlled/living cationic polymerization of diisopropenylbenzenes in continuous flow
2.3 Controlled/living cationic polymerization of isobutylene in continuous flow
3 Anionic polymerization in continuous flow
3.1 Controlled/living anionic polymerization of styrenes in continuous flow
3.2 Controlled/living anionic polymerization of alkyl methacrylates in continuous flow
3.3 Controlled/living anionic block copolymerization of styrenes and alkyl methacrylates in continuous flow
4 Conclusion and outlook
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