Nano-CaCO_3的表面改性及其在PP中的应用  

Study on Surface Modification of Nano-CaCO_3 and Its Application in PP

作　　者：崔文广[1] 高岩磊[1] 牟微[1] 雷霓[1] 

机构地区：[1]石家庄学院化工学院,河北石家庄050035

出　　处：《塑料科技》2013年第2期58-62,共5页Plastics Science and Technology

基　　金：河北省科技支撑计划项目(12211205);石家庄学院科研启动基金项目(11YB003)

摘　　要：选用钛酸酯偶联剂对纳米碳酸钙(nano-CaCO3)进行表面改性,以改善其在聚丙烯(PP)中的分散性。利用透射电镜(TEM)和扫描电镜(SEM)表征了nano-CaCO3的改性效果,研究了改性条件对PP/nano-CaCO3复合材料性能的影响。结果表明:在偶联剂用量2.0%、改性时间25 min、改性温度85℃的条件下,PP/nano-CaCO3复合材料的综合性能较好;改性后nano-CaCO3的分散性得到有效改善。Nano-CaCO3 was modified by titanate coupling agent in order to improve its dispersion in PP.The modified effect of nano-CaCO3was analyzed by TEM and SEM,and the effects of conditions of modification on property of PP/nano-CaCO3 composite were studied.The results show that the comprehensive properties of PP/nano-CaCO3 composite are optimal when nano-CaCO3 is modified by 2.0% coupling agent for 25 min at 85℃.The dispersion of modified nano-CaCO3 is better than that of unmodified nano-CaCO3.

关 键 词：纳米碳酸钙 表面改性 聚丙烯 综合性能 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业]