文献类型：期刊文献

中文题名：INTERFACIAL ADHESION AND MECHANICAL PROPERTIES OF PMMA-COATED CaCO_(3)NANOPARTICLE REINFORCED PVC COMPOSITES

英文题名：INTERFACIAL ADHESION AND MECHANICAL PROPERTIES OF PMMA-COATED CaCO_3 NANOPARTICLE REINFORCED PVC COMPOSITES

作者：Xuehua Chen[1];Chunzhong Li[1,2];Shoufang Xu[1];Ling Zhang[1];Wei Shao[1];H. L. Du[2]

机构：[1]Key Laboratory for Ultrafine Materials of Ministry of Educetion, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China;[2]Advanced Materials Research Institute, Northumbria University, Newcastle upon Tyne NE1 8ST, United Kingdom

年份：2006

卷号：4

期号：1

起止页码：25

中文期刊名：China Particuology

收录：CSTPCD;;Scopus;CSCD:【CSCD2011_2012】；

基金：financial supports to this research work from National Natural Science Foundation of China(20236020);National Natural Science Foundation of China(2002CCA02200);Ministry of Education of China Accented Term(02159);Major Basic Research Programme of Science&Technology Commission of Shanghai Municipality(STCSM)(04DZ14002)

语种：英文

中文关键词：poly （vinyl chloride）;polymethyl methacrylate;calcium carbonate;in situ polymerization;nanoparticles,nanocomposites

外文关键词：poly （vinyl chloride）, polymethyl methacrylate, calcium carbonate, in situ polymerization, nanoparticles,nanocomposites

摘要：Polymethyl methacrylate （PMMA）-coated nano-CaCO3 particles were prepared by in-situ emulsion polymerization. The mechanical properties of nano-CaCO3 particles-reinforced PVC were investigated using an AG-2000A universal testing machine and an XJU-2.75 izod impact tester; interracial adhesion between CaCO3 nanoparticles and PVC matrix by SEM, and structure of PMMA coated on the surface of CaCO3 by FTIR and ^1H-NMR. The results indicate that the PMMA coated on the nano CaCO3 particles consists mainly of syndiotactic structure, and their three tacticity contents were rr 52.8%, mm 7.3% and mr 39.9%, respectively. The interfacial adhesion between CaCO3 nanoparticles and PVC matrix was significantly improved when the CaCO3 nanoparticles were coated with PMMA, which led to increased Young＇s moduli and tensile strengths of the PMMA-coated CaCO3/PVC composites. The izod impact strengths of the composites were strongly affected by the PMMA coating thickness and increased significantly with increasing the volume fraction of CaCO3 filler in the composites.
Polymethyl methacrylate （PMMA）-coated nano-CaCO3 particles were prepared by in-situ emulsion polymerization. The mechanical properties of nano-CaCO3 particles-reinforced PVC were investigated using an AG-2000A universal testing machine and an XJU-2.75 izod impact tester; interracial adhesion between CaCO3 nanoparticles and PVC matrix by SEM, and structure of PMMA coated on the surface of CaCO3 by FTIR and ^1H-NMR. The results indicate that the PMMA coated on the nano CaCO3 particles consists mainly of syndiotactic structure, and their three tacticity contents were rr 52.8%, mm 7.3% and mr 39.9%, respectively. The interfacial adhesion between CaCO3 nanoparticles and PVC matrix was significantly improved when the CaCO3 nanoparticles were coated with PMMA, which led to increased Young＇s moduli and tensile strengths of the PMMA-coated CaCO3/PVC composites. The izod impact strengths of the composites were strongly affected by the PMMA coating thickness and increased significantly with increasing the volume fraction of CaCO3 filler in the composites.