纳米CaCO_3填充改性聚丙烯复合材料的力学性能和结晶行为的研究  

STUDY OF THE MECHANICAL PROPERTIES AND CRYSTALLIZATIONBEHAVIOR OF POLYPROPYLENE COMPOSITE FILLED WITH NANO- CaCO_3

作　　者：杜素梅[1] 周正发[1] 任凤梅[1] 任崇荣[1] 徐卫兵[1] 

机构地区：[1]合肥工业大学化工学院高分子科学与工程系,合肥230009

出　　处：《塑料制造》2011年第1期84-86,共3页Plastics Manufacture

摘　　要：将经过表面处理的纳米CaCO_3分别用两种方法制备成母粒并与PP复合,制备成PP/CaCO_3与PP/PP-g-GMA/CaCO_3纳米复合材料。对纳米复合材料的力学性能和结晶行为进行了测试。结果表明,纳米碳酸钙对PP的β晶的形成具有诱导作用,并且在PP/PP-g-GMA/CaCO_3纳米复合材料中,纳米CaCO_3含量在低于20%时,可同时解决增韧和增强的问题。Two kinds of PP/CaCO3 and PP/PP-g-GMA/CaCO3 nanocomposites with the pre-treament nano-CaCO3 were prepared by melt extrusion. And the mechanical properties and crystallization behavior of nanocomposite were investigated .It is shown that nano-CaCO3 can cause the generation of β-PP, and PP/PP-g-GMA/CaCO3 nano-composite, with nano-CaCO3 content lower than 20%, can enhance the tensile strength and notched impact strength simultanously.

关 键 词：聚丙烯 纳米CACO3 Β-晶型 增韧 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业]