玻璃微珠表面处理对LDPE复合材料拉伸性能的影响
, PP. 19-22
Keywords: 玻璃微珠,低密度聚乙烯,填充复合,拉伸性能
Abstract:
应用Instron材料试验机,于室温下考察了玻璃微珠含量及其表面处理对填充低密度聚乙烯复合物拉伸性能的影响。结果表明,复合材料的弹性模量(Ec)随着微珠体积分数的增加而增大,屈服强度(RyR)变化不大,而断裂强度(RbR)、断裂应变(EbR)和断裂能(EbR)则减小;在相同的实验条件下,微珠表面经硅烷偶联剂预处理的填充体系的Ec、RyR和RbR稍高于未作表面预处理的复合材料;对于EbR和EbR,两体系之间的差异甚微。
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