纺织学报 ›› 2017, Vol. 38 ›› Issue (06): 157-162.doi: 10.13475/j.fzxb.20170202906
摘要:
为制备一种高效抗菌生物材料,以生物可降解材料聚(3?羟基丁酸酯?co?4?羟基丁酸酯) (P(3HB?4HB))和聚己二酸/对苯二甲酸丁二酯(PBAT)为基材,合成了一种新型含有季铵基团的卤胺抗菌剂单体;采用静电纺丝技术制备出P(3HB-4HB)/PBAT纳米纤维膜;利用电子束辐射技术将合成的单体接枝共聚到纳米纤维膜,最后经次氯酸钠氯化得到抗菌纤维膜。探讨了P(3HB?4HB)、PBAT组成对纤维膜表面形貌的影响,以及辐射量、单体浓度对纤维膜含氯量的影响,同时分析了抗菌纤维膜的耐紫外稳定性、储存稳定性。结果表明:P(3HB?4HB)/PBAT抗菌纳米纤维膜在5min内即可将金黄色葡萄球菌和大肠杆菌全部杀死,显示出优异的抗菌性能,实现了卤胺抗菌剂和化学惰性材料的共价键合作用,有望应用于食品包装、生物医学等领域。
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