PP/HGB复合材料熔体的挤出胀大行为

被引：6

作者：

梁基照

钟明强

机构：

[1] 华南理工大学工业装备与控制工程学院

来源：

华南理工大学学报(自然科学版) | 2006年 / 09期

关键词：

聚丙烯; 中空玻璃微珠; 复合材料; 挤出胀大;

D O I：

暂无

中图分类号：

TB332 [非金属复合材料];

学科分类号：

摘要：

应用XNR-400A型熔体流动速率仪,在190～230℃及荷载P为1.0～8.0 kg的范围内,考察了中空玻璃微珠(HGB)填充聚丙烯(PP)复合材料的挤出胀大行为.结果表明,在200℃下,挤出胀大比B随着剪切应力的增加而提高,两者之间大致上呈线性函数关系;当P为3.80 kg时,B随着温度的升高而下降,两者之间基本上呈线性关系.在190℃时,B随着HGB体积分数(f)的增加而呈非线性减小;当f为10%,P为3.80 kg时,B随着HGB粒径的增加而有所提高.

引用

页码：86 / 89

页数：4

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