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化学进展  2011 

RAFT聚合法制备聚合物胶束及其应用前景

, PP. 2360-2367

Keywords: RAFT聚合法,壳交联,聚合物胶束,稳定性,应用前景

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Abstract:

聚合物胶束由于具有优良的组织渗透性、增容效果好、结构多样性和热稳定性等特点,成为国内外研究的热点之一。本文综述了近几年发展起来的一些具有特殊结构和特殊性能的双亲性嵌段聚合物胶束的研究进展,详细阐述了RAFT聚合法合成聚合物胶束的机理和优势,表明了RAFT聚合法可直接在水溶液中方便快捷地制备出温度和pH双响应性聚合物胶束。然而,当聚合物胶束的浓度低于其临界胶束浓度时,胶束的稀释效应大大影响了其实际应用,为提高聚合物胶束的稳定性,文章归纳总结了一系列有关壳交联聚合物胶束的制备方法及研究进展。最后,文章展望了聚合物胶束在药物可控释放、靶向、生物成像、催化剂负载及其他领域的应用前景。

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