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中文摘要：
为了研究以壳聚糖和纤维素硫酸钠(nacs)为材料制备的聚电解质复合膜在药物控制释放上的应用,考察了壳聚糖相对分子质量、nacs相对分子质量和取代度对该复合膜机械性能(强度、韧性等)和溶胀性能的影响.结果表明,壳聚糖相对分子质量、nacs相对分子质量和取代度对壳聚糖/nacs复合膜的机械性质和溶胀性能都有显著的影响.壳聚糖相对分子质量越高,该复合膜的断裂伸长率越大.而nacs相对分子质量和取代度的增大则会导致该膜的溶胀率降低.此外,溶液ph值对壳聚糖/nacs复合膜溶胀率也有明显的影响.
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