结合无机抗菌剂和天然抗菌剂的各自特点,通过以TiO2为核载体,将AgNO3和壳聚糖(CS)吸附于其表面组装而成复合抗菌剂.将该抗菌剂添加到聚氨酯溶液中,通过双向扩散萃取的方法使聚氨酯溶胶逐渐转变为凝胶状态,最后复合成抗菌聚氨酯材料.该材料经抗菌性能测试,可以有效抑制大肠杆菌等7类菌种的繁殖.
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