首页> 外文期刊>Journal of Applied Polymer Science >Supramolecular adhesive gels based on biocompatible poly(2-ethyl-2-oxazoline) and tannic acid via hydrogen bonding complexation
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Supramolecular adhesive gels based on biocompatible poly(2-ethyl-2-oxazoline) and tannic acid via hydrogen bonding complexation

机译:基于生物相容性聚(2-乙基-2-恶唑啉)和单宁酸的超分子粘合凝胶通过氢键键合络合

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摘要

A facile fabrication of strongly adhesive hydrogel based on high-molecular-weight poly(2-ethyl-2-oxazoline) (PEOX) and tannic acid (TA) has been demonstrated. PEOX and TA form instantaneous complex gel via strong hydrogen bonding interaction by simple mixing in an aqueous system. The characteristics of the PEOX-TA complex gels was investigated by using Fourier transform infrared spectroscopy, thermogravimetric analysis, differential scanning calorimetry, and scanning electron microscopy to reveal their network structure, composition, and thermal properties. The prepared wet complex gel system demonstrated excellent adhesive performance on different substrates with comparable results to pure PEOX polymer. It was considered that many factors affect the adhesive performance of the PEOX-TA gel such as the TA content, the molecular weight of PEOX, and water content. This adhesive gel system has potential for use in various fields including biomedical application as a novel and low-cost adhesive or sealant. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48285.
机译:已经证实了基于高分子量聚(2-乙基-2-恶唑啉)(PEOX)和单宁酸(TA)的强粘合水凝胶的容量制备。通过在水性体系中简单的混合,通过强氢键相互作用通过强氢键合相互作用,牡丹和Ta形成瞬时复合凝胶。通过使用傅立叶变换红外光谱,热重分析,差示扫描量热量和扫描电子显微镜来研究牡丹-TA复合凝胶的特性,透露其网络结构,组成和热性能。制备的湿复合凝胶系统在不同的底物上表现出优异的粘合剂性能,与纯Peox聚合物的相当的结果相当。据认为,许多因素影响卵氧肟凝胶的粘合性能,例如TA含量,牡丹的分子量和含水量。该粘合剂凝胶系统具有用于各种领域的可能性,包括生物医学应用作为新颖和低成本的粘合剂或密封剂。 (c)2019 Wiley期刊,Inc.J.Phill。聚合物。 SCI。 2019,136,48285。

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