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Structure-property relationship of sodium deoxycholate based poly(ester ether)urethane ionomers for biomedical applications

机译:生物医学应用中基于脱氧胆酸钠的聚(酯醚)氨基甲酸酯离聚物的结构-性质关系

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摘要

New sodium deoxycholate based poly(ester ether) urethane ionomers were prepared for the development of biomedical materials. A structure-property relationship in the tested biomaterials was established by cross-examination of the dynamic mechanical and dielectric properties, attenuated total reflection-Fourier transform infrared investigation, thermogravimetric analysis, and surface morphology characterization. A stronger ionic interaction and solvation capacity of the ions and a higher ionic conductivity were manifested in the case of poly(ethylene oxide)-rich segments than for poly(propylene oxide)-rich segments in these polyurethane ionomers. The molecular and ionic interactions of the bile-salt moiety with different polyether cosoft segments influenced chain packing and conformation, supramolecular organization, and the resulting surface morphological microstructures of the polyurethane biomembranes. (C) 2015 Wiley Periodicals, Inc.
机译:制备了新的基于脱氧胆酸钠的聚(酯醚)氨基甲酸酯离聚物,用于开发生物医学材料。通过交叉检查动态力学和介电性能,衰减全反射-傅立叶变换红外光谱研究,热重分析和表面形态表征,建立了被测生物材料的结构-特性关系。在这些聚氨酯离聚物中,在富含聚环氧乙烷的链段的情况下,离子的离子相互作用和溶剂化能力更强,并且具有更高的离子电导率。胆盐部分与不同的聚醚cosoft链段的分子和离子相互作用影响了聚氨酯生物膜的链堆积和构象,超分子组织以及所得的表面形态微观结构。 (C)2015威利期刊公司

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