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Preparation of Polyethylene/Graphene Nanocomposites with Octadecylamine-Modified Graphene Oxide-MgCl-Supported Ziegler–Natta Catalyst
作者:He-Xin Zhang,1,2 Jae-Hyeong Park,1 Young-Kwon Moon,1 Ko Eun-Bin,1 Xue-Quan Zhang,2 Keun-Byoung Yoon1
关键字:graphene; nanocomposites; polyethylene; Ziegler– Natta catalyst
论文来源:期刊
具体来源:JOURNAL OF POLYMER SCIENCE, PART A: POLYMER CHEMISTRY 2017, 55, 855–860
发表时间:2017年

In this work, an octadecylamine-modified graphene oxide (ODA-GO)-MgCl-supported Ziegler–Natta catalyst was synthesized by reacting ODA-GO with a Grignard reagent, followed by anchoring TiCl4 to the structure. The effect of the ODA-GO on the catalyst morphology and ethylene polymerization behavior was examined. The resultant polyethylene (PE)/ODA-GO nanocomposites directly mirrored the catalyst morphology by forming a layered morphology, and the ODA-GO fillers were well dispersed in the PE matrix and showed strong interfacial adhesion with it. The resultant PE/ODA-GO nanocomposites exhibited better thermal stability and mechanical properties than neat PE, even with a small amount of ODA-GO added. Thus, this work provides a facile approach to the production of high-performance PE.