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首页> 外文期刊>RSC Advances >2,2′:6′,2′′-Terpyridine-functionalized redox-responsive hydrogels as a platform for multi responsive amphiphilic polymer membranes
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2,2′:6′,2′′-Terpyridine-functionalized redox-responsive hydrogels as a platform for multi responsive amphiphilic polymer membranes

机译：2,2'：6'，2'' - 富含吡啶官能化的氧化还原响应水凝胶作为多响应式两亲性聚合物膜的平台

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摘要

Nanophase-separated amphiphilic polymer co-networks are ideally suited as responsive membranes due to their stable co-continuous structure. Their functionalization with redox-responsive 2,2′:6′,2′′-terpyridine–metal complexes and light-responsive spiropyran derivatives leads to a novel material with tunable optical, redox and permeability properties. The versatility of the system in complexing various metal ions, such as cobalt or iron at different concentrations, results in a perfect monitoring over the degree of crosslinking of the hydrophilic poly(2-hydroxyethyl acrylate) channels. The reversibility of the complexation, the redox state of the metal and the isomerization to the merocyanine form upon UV illumination was evidenced by cyclic voltammetry, UV-Vis and permeability measurements under sequential conditions. Thus, the membrane provides light and redox addressable functionalities due to its adjustable and mechanically stable hydrogel network.
机译：由于其稳定的共连结构，纳比分离的两亲性聚合物共聚物共同网络非常适合作为响应性膜。用氧化还原响应2,2'：6'，2' - 三吡啶 - 金属配合物的官能化和光响应螺旋吡喃衍生物导致具有可调谐光学，氧化还原和渗透性的新型材料。系统在络合各种金属离子（例如不同浓度）的金属离子（例如钴或铁）中的多功能性导致对亲水性聚（2-羟乙基丙烯酸酯）通道的交联程度的完美监测。通过在连续条件下，通过循环伏安法，循环伏安法，UV-Vis和渗透率测量，证明了络合的可逆性，金属的氧化还原状态和对新硅氨酸形式的异构化的氧化氢化状态证明了顺序条件。因此，由于其可调节和机械稳定的水凝胶网络，膜提供光和氧化还原可寻址功能。

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