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三偏磷酸钠交联壳聚糖/聚乙烯醇共混膜的制备及其性能研究

Journal of Analytical Science(2012)

Cited 23|Views26
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Abstract
将充分溶胀的壳聚糖/聚乙烯醇共混膜置于一定浓度的三偏磷酸钠溶液中进行交联反应制备出交联壳聚糖膜。用红外光谱(FTIR-ATR)、X-射线衍射(XRD)和扫描电镜(SEM)表征了膜的结构,并测试了其吸水率、力学性能、酶降解性能。结果表明,交联作用明显提高了膜的抗张强度和抗水性,并有效地降低了溶菌酶对其降解速率。
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Key words
Lysozym degradation,Chitosan,Mechanical Properties,Sodium trimetaphosphate,Water-absorbability,PVA,Crosslinked film
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