采用水溶液共混法制备了明胶-壳聚糖合金膜,添加了醋酸氯己啶为抑菌剂,1-乙基-3-(3-二甲氨丙基)碳化二亚胺盐酸盐为交联剂.通过IR、DSC和UV对合金膜进行了表征,证明了明胶、壳聚糖和醋酸氯己啶在合金膜中有很好的相容性.研究了体系中醋酸氯己啶含量和交联剂用量对合金膜吸水率、溶胀比和孔隙率等性能的影响.结果表明,在实验范围内随醋酸氯己啶含量的增加,膜的吸水率和孔隙率逐渐下降,而溶胀比变化不大;随交联剂量增加,膜的孔隙率增大,而溶胀比和吸水率基本不变.抑菌实验表明,醋酸氯己啶的加入提高了膜的抑菌性能.
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