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- W4237997360 abstract "Copolymerizations of ethylene with propylene, and ethylene with 1-octadecene were performed with MCM-41/MAO/Et(Ind)2ZrCl2 and the resulting copolymers were analyzed by NMR, GPC, and DSC. A comonomer enhancement effect was observed in the case of ethylene-propylene copolymerization with both supported and unsupported catalysts. However, it was not observed in the case of ethylene-1-octadecene copolymerization with MCM-41/MAO/Et(Ind)2ZrCl2, while unsupported Et(Ind)2ZrCl2 showed the comonomer enhancement effect under the same polymerization conditions. Propylene content in the copolymer of MCM-41/MAO/Et(Ind)2ZrCl2 was higher than that of unsupported Et(Ind)2ZrCl2 , suggesting the presence of more stereoregulating active sites and lower concentration of MAO around active sites inside the pores of MCM-41." @default.
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- W4237997360 date "2001-03-01" @default.
- W4237997360 modified "2023-10-16" @default.
- W4237997360 title "Copolymerization of Ethylene and -Olefin Using Et(Ind)2ZrCl2 Entrapped inside the Regular and Small Pores of MCM-41" @default.
- W4237997360 doi "https://doi.org/10.1002/1521-3935(20010301)202:5<739::aid-macp739>3.3.co;2-8" @default.
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