粘度比对PP/HDPE共混物材料形态结构与性能的影响  

Effect of Viscosity Ratio on Morphology and Mechanical Properties of PP/HDPE Blend

作　　者：李明[1] 张勇[1] 万超瑛[1] 袁茂全[2] 

机构地区：[1]上海交通大学化学化工学院,上海200240 [2]上海氯碱化工股份有限公司技术中心,上海200000

出　　处：《塑料工业》2006年第9期51-54,共4页China Plastics Industry

摘　　要：研究了粘度比对聚丙烯(PP)/高密度聚乙烯(HDPE)共混物的拉伸性能、弯曲性能、冲击性能以及热变形温度的影响。结果表明,随着粘度比由大到小的变化,共混物的拉伸强度、热变形温度由小到大再到小的变化;粘度比越大,冲击强度相对较高;粘度比接近1时,分散相的颗粒最小。The effect of viscosity ratio on the tensile characteristics, flexural property, impact property and heat deformation temperature of PP/HDPE were investigated. The results showed with the increase of the viscosity ratio the tensile strengh and heat deformation temperature （HDT） increased first and then decreased. The greater the viscosity ratio, the higher the impact strength. When the viscosity ratio approached to be 1, the particle diameter of the dispersed phase was the smallest.

关 键 词：粘度比 聚丙烯 高密度聚乙烯 形态 力学性能 

分 类 号：TQ325.1[化学工程—合成树脂塑料工业]