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Selective Coupling and Polymerization of Folded Polymer Micelles to Nanodomain Self-Assemblies

机译:折叠聚合物胶束的选择性偶联和聚合纳米米自组装

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Herein, we developed selective coupling and polymerization systems of folded polymer micelles via physical interaction in water. The polymer micelles serve as nanodomains to provide double core micelles, alternating necklace micelles, and micelle-connected hydrogels. For this, cation- or anion-tail unimer micelles and amine- or carboxy-tail unimer micelles were designed; the unimer micelles consist of folded amphiphilic random copolymers carrying hydrophilic poly(ethylene glycol) and hydro- phobic or hydrogen-bonding pendants. Mixing a cation-tail micelle and an anion-tail micelle, and even the combination of a double cation-tail micelle and a double anion-tail micelle, selectively provided double-core micelles in water without forming large aggregates. Double core micelles afforded structural transformation into linear or cyclic polymers and dynamic exchange of the micelle domains. In contrast, mixing amine-tail micelles and carboxy-tail micelles gave an alternating necklace micelle or a hydrogel. The controlled connection of polymer micelles was achieved by designing suitable physical interaction. This technique opened new ways to create various nanodomain self-assemblies with controlled higher-order structure.
机译:在此,我们通过水中的物理相互作用开发了折叠聚合物胶束的选择性偶联和聚合体系。聚合物胶束用作纳米型胶束,以提供双核心胶束,交替项链胶束和胶束连接的水凝胶。为此,设计了阳离子或阴离子尾胶束和胺或羧基尾胶束;单层胶束组成携带亲水性聚(乙二醇)和氢粘合坠落剂的折叠两亲无规共聚物。混合阳离子胶束和阴离子尾胶束,甚至是双阳离子尾胶束和双阴离子尾胶束的组合,选择性地在水中提供双芯胶束而不形成大的聚集体。双芯胶束提供了结构转化为线性或循环聚合物和胶束结构域的动态交换。相反,混合胺 - 尾胶束和羧尾胶束给出交替项链胶束或水凝胶。通过设计合适的物理相互作用来实现聚合物胶束的受控连接。这种技术开辟了具有受控高阶结构的各种纳米米的新方法。

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    《ACS Macro Letters》 |2020年第3期|共5页
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  • 正文语种 eng
  • 中图分类 有机化学;
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