利用溶液共混法制备了胶原蛋白-葡甘聚糖-壳聚糖共混膜,通过红外光谱(FT-IR)、X射线衍射(XRD)、扫描电镜(SEM)、透光率表征了NaOH溶液处理前后共混膜的结构形貌,并结合X射线光电子能谱(XPS)和不同pH值下的溶胀吸水率测试,系统分析了NaOH溶液处理对共混膜中胶原蛋白、葡甘聚糖与壳聚糖的相互作用、共混膜结构、表面性质和吸水性的影响.结果表明,共混膜中几种高分子之间存在强烈的相互作用和良好的相容性,NaOH溶液处理明显改变了共混膜的结构形貌、表面性质和吸水性.
Collagen-konjac glucomannan-chitosan blend films were made by solution blend method.Analyses of FT infrared (FTIR),X-ray diffraction (XRD) and scanning electron microscope (SEM) were used to determine the effects of NaOH solution on structure,surface properties and water adsorption of the blend films and the interactions between collagen,konjac glucomannan and chitosan in the films combined with X-ray photoelectron spectroscopy (XPS) and water adsorption capacity analysis at different pH values.The results have shown that there is good compatibility between collagen,konjac glucomannan and chitosan.Treatment by NaOH solution can improve the structures,surface properties and water adsorption of the blend films.
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