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.
出处
《塑料科技》
CAS
北大核心
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)
关键词
纳米碳酸钙
表面改性
聚丙烯
综合性能
Nano-CaCO3
Surface modification
PP
Comprehensive properties
