摘要
A one-pot procedure for the synthesis of polyethylene tethered on multi-walled carbon nanotubes by in situ ethylene copolymerization with an olefin-type comonomer, tr-alkene functionalized multi-walled carbon nanotubes （MW- CH = CH2） is reported. The covalent linkage between polyethylene and multi-walled carbon nanotubes is demonstrated. The MWCNTs are chemically oxidized first by a strong oxidizing agent and then functionalized with chlorocarbonyl groups （MW--COC1） via reacting with thionyl chloride. The MW--CH=CH2 are obtained by esterification of co-undecylenyl alcohol with MW--COCI. The MW--CH = CH2 may serve as olefin-type comonomers to fiLrther synthesize core-shell structured copolymers with a multi-walled carbon nanotubes core grafted with side chains of polyethylene via rac-（en）（THInd）2ZrC12 copolymerization catalyst. The core-shell structured nanocomposites were characterized by means of 1H-NMR, SEM, FTIR and TGA. The results confirmed the formation of polyethylene chains growing from the surface of multi-walled carbon nanotubes.
A one-pot procedure for the synthesis of polyethylene tethered on multi-walled carbon nanotubes by in situ ethylene copolymerization with an olefin-type comonomer, tr-alkene functionalized multi-walled carbon nanotubes （MW- CH = CH2） is reported. The covalent linkage between polyethylene and multi-walled carbon nanotubes is demonstrated. The MWCNTs are chemically oxidized first by a strong oxidizing agent and then functionalized with chlorocarbonyl groups （MW--COC1） via reacting with thionyl chloride. The MW--CH=CH2 are obtained by esterification of co-undecylenyl alcohol with MW--COCI. The MW--CH = CH2 may serve as olefin-type comonomers to fiLrther synthesize core-shell structured copolymers with a multi-walled carbon nanotubes core grafted with side chains of polyethylene via rac-（en）（THInd）2ZrC12 copolymerization catalyst. The core-shell structured nanocomposites were characterized by means of 1H-NMR, SEM, FTIR and TGA. The results confirmed the formation of polyethylene chains growing from the surface of multi-walled carbon nanotubes.
基金
supported by the Science Foundation of Jiangsu University of Science and Technology(No.35061005)
the Natural Science Foundation of Jiangsu Province of China(No.BK2012278)
