Supramolecular Stimuli‐Responsive Microgels Crosslinked by Tannic Acid,Macromolecular Rapid Communications

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Supramolecular Stimuli‐Responsive Microgels Crosslinked by Tannic Acid
Macromolecular Rapid Communications ( IF 4.2 ) Pub Date : 2018-02-01 , DOI: 10.1002/marc.201700808
Catalina Molano López _{1,

2} , Andrij Pich _{1,

2}

Affiliation

The application of biomolecules as building blocks is substantial for the design of bioinspired dynamic nanomaterials with tailored properties. In this communication, the facile synthesis of aqueous supramolecular temperature‐responsive microgels is reported using the natural polyphenol tannic acid (TA) as physical crosslinker. The precipitation polymerization of N‐vinylcaprolactam in the presence of this polyphenol leads to the formation of well‐defined microgels crosslinked by hydrogen bonds. A systematic variation of the tannic acid content leads to tailored microgel properties. The obtained microgels exhibit reversible temperature‐dependent swelling/deswelling and undergo pH‐triggered degradation in aqueous solutions.

中文翻译：

单宁酸交联的超分子刺激反应微凝胶

生物分子作为构建基块的应用对于设计具有定制特性的生物启发型动态纳米材料的设计具有重要意义。在这种交流中，据报道，使用天然多酚鞣酸（TA）作为物理交联剂，可以轻松合成水性超分子温度响应性微凝胶。N-乙烯基己内酰胺在这种多酚存在下的沉淀聚合反应会导致形成明确定义的通过氢键交联的微凝胶。单宁酸含量的系统变化导致定制的微凝胶特性。所获得的微凝胶表现出可逆的温度依赖性溶胀/溶胀，并且在水溶液中经历pH引发的降解。

更新日期：2018-02-01

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