稀释剂粘度对HDPE微孔膜微观结构影响Effect of Diluent Viscosity on Microstructure of HDPE Microporous Film
雷彩红;陈福林;
摘要(Abstract)：
采用扫描电镜(SEM)研究了稀释剂(矿物油)粘度对热诱导相分离高密度聚乙烯(HDPE)微孔膜微孔结构的影响。结果表明,随着矿物油粘度的增加,在HDPE／矿物油体系冷却诱导相分离过程中,大量矿物油滞留在晶体内部,采用有机溶剂萃取后晶体问孔减小、减少。相比自然冷却,采用冰水混合物冷却得到的晶体间孔更小。最后从微孔膜加工性及微孔大小出发,认为具有中等粘度的稀释剂比较好。
关键词(KeyWords)： 微孔膜;高密度聚乙烯;稀释剂;微观结构;热诱导相分离
基金项目(Foundation):
作者(Authors): 雷彩红;陈福林;
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