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首页> 外文期刊>Journal of Applied Polymer Science >Understanding the surface properties of polybenzoxazines: Interaction of polybenzoxazine model compounds with metal ions and water
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Understanding the surface properties of polybenzoxazines: Interaction of polybenzoxazine model compounds with metal ions and water

机译：了解聚苯并恶嗪的表面性质：聚苯并恶嗪模型化合物与金属离子和水的相互作用

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摘要

The structure of polybenzoxazines (and their properties) is mainly defined by the existence of intra- and intermolecular hydrogen bonds. The effect of different substituents present in the phenolic ring of polybenzoxazines can modulate these intermolecular forces and the interaction with other materials, such as metals. To extend this knowledge, a series of structure-controlled polybenzoxazines and polybenzoxazine model compounds have been synthesized. The interactions with different metal ions have been investigated using UV-vis and NMR analysis. Association constants have been estimated by UV-vis titration method and the effect of the presence of different substituents in the aromatic ring has been established. Water contact angles have also been measured. The different techniques give us information about the inner hydrogen bonding structure. Cyano group, present as substituent in polybenzoxazine compounds, acts as an additional coordination point towards metal ions and water. Our findings should allow modulating the adhesion and other surface properties of the benzoxazine-derived polymers by playing with the properties of the substituents and their structure (phenoxy/phenolic). (c) 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 44099.
机译：聚苯并恶嗪的结构（及其性质）主要由分子内和分子间氢键的存在决定。聚苯并恶嗪的酚环中存在的不同取代基的作用可以调节这些分子间力以及与其他材料（例如金属）的相互作用。为了扩展该知识，已经合成了一系列结构受控的聚苯并恶嗪和聚苯并恶嗪模型化合物。已使用UV-vis和NMR分析研究了与不同金属离子的相互作用。已经通过UV-vis滴定法估计了缔合常数，并且已经确定了芳环中不同取代基的存在的影响。还已经测量了水接触角。不同的技术为我们提供了有关内部氢键结构的信息。氰基作为聚苯并恶嗪化合物中的取代基存在，对金属离子和水起额外的配位点作用。我们的发现应允许通过发挥取代基的性质及其结构（苯氧基/酚醛）来调节苯并恶嗪衍生的聚合物的粘附力和其他表面性质。 （c）2016 Wiley Periodicals，Inc. J. Appl。 Polym。科学2016，133，44099。

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