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CS/PVA水凝胶的制备与性能研究

Wenhui GUO,Mingcheng YANG,Wentao LIU,Shubo LIU,Benshang ZHANG,Zhichao SUN,Yun WANG

Henan Science（2020）

Cited 1|Views17
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Abstract
以聚乙烯醇(PVA)为基体,以壳聚糖(CS)为功能性添加剂,采用冻融法与辐射法相结合的工艺技术制备出CS/PVA水凝胶.分别研究了吸收剂量和制备工艺对PVA水凝胶性能和SEM形貌的影响;研究了壳聚糖浓度和制备工艺对CS/PVA水凝胶溶胀性能和力学性能的影响;研究了CS/PVA水凝胶对大肠杆菌的抑菌效果.结果表明:采用先冻融后辐射方法制备PVA水凝胶,该制备工艺既解决了冻融法合成水凝胶不透明的问题,又解决了辐射法合成水凝胶起泡和强度较弱的问题.CS的添加,不仅提高了PVA水凝胶的溶胀性能,而且使得CS/PVA水凝胶对大肠杆菌具有较好的抑菌作用.
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