纳米材料Al_2O_3充填改性聚丙烯  

Filling nano-Al_2O_3 for Modifying Polypropylene

作　　者：蔡佑星[1] 金玉洁[1] 王章苹[1] 

机构地区：[1]长沙师范学校,长沙410100

出　　处：《包装工程》2010年第13期39-41,51,共4页Packaging Engineering

摘　　要：采用纳米材料Al2O3粉末充填聚丙烯(PP),以提高PP的力学性能。通过力学性能测试、广角X射线分析、电镜扫描和透射电镜观察表明:PP/nano-Al2O3复合材料(Al2O3的质量分数为3%)的结晶度较PP提高了9.5%,拉伸强度提高了10.7%,耐缺口冲击强度提高了21.0%,综合性能达到最好。The mechanical properties of polypropylene（PP） could be strengthened after PP was filled with nano-Al2O3.Tests of mechanical properties and analyses of scanning electron microscope（SEM）,transmission electron microscope（TEM） as well as wide-angle X-ray diffraction（WAXD） showed that the crystallinity of PP/nano-Al2O3（3wt%） is improved by 9.5% compared with PP＇s,the tensile strength is enhanced by 10.7%,ans the notch impact strength is intensified by 21.0%.The comprehensive performance is of nanocomposite is by far the best.

关 键 词：聚丙烯 纳米材料 力学性能 改性 

分 类 号：TB484.3[一般工业技术—包装工程] TB487