淀粉/PVA塑料耐水性影响因素研究Study on Factors Influencing Water Resistance of Starch/PVA Plastics
徐喻琼,邹国享,瞿金平
摘要(Abstract)：
将淀粉/PVA(聚乙烯醇)塑料的耐水性能用吸水率来表征,运用正交优化法设计了5因素5水平的试验方案,通过对全部试验数据的计算,分析了PVA及增塑剂的用量对淀粉塑料吸水率的影响。结果表明,在试验条件下PVA用量是影响淀粉塑料吸水率的最为显著因素;在增塑剂中柠檬酸对吸水率的影响较其他增塑剂大;采取向前选择变量法进行优选,建立了吸水率与PVA、增塑剂加入量的最优多元线性回归方程,试验值与方程预测值的比较说明方程拟合情况较好。
关键词(KeyWords)： 淀粉;聚乙烯醇;耐水性;增塑剂;因素
基金项目(Foundation): 高等学校博士学科专项科研基金(20030561014)资助项目
作者(Author): 徐喻琼,邹国享,瞿金平
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