| 摘要 |
The present disclosure relates to solid catalyst components comprising titanium, magnesium, halogen and an internal electron donor compound containing at least one 9-(alkoxymethyl)-9H-fluorene compound. The 9-(alkoxymethyl)-9H-fluorene compound include octyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; 7-methyloctyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; 2-ethylhexyl-9-(methoxymethyl)-9H-fluorene-9-carboxylate; and 9-(methoxymethyl)-9H-fluorene-9-yl benzoate. The present disclosure further relates to catalyst systems containing the catalyst solid components, organoaluminum compounds, and organosilicon compounds. The present disclosure also relates to methods of making the solid catalyst components and the catalyst systems, and methods of polymerizing or copolymerizing alpha-olefins using the catalyst systems. |
| 主权项 |
1. A solid catalyst component for use in olefinic polymerization comprising:
titanium, magnesium, halogen and an internal electron donor compound, wherein said internal electron donor compound comprises at least one 9-(alkoxymethyl)-9H-fluorene compound represented by chemical formula (I):wherein
R1 is C1-C20 linear or branched alkyl, C5-C20 cycloalkyl, C5-C20 cycloalkenyl, C5-C20 cyclodialkenyl, phenyl, C7-C18 alkylaryl, or C7-C18 arylalkyl; R2 is —(C═O)—O—R11 or —O—(C═O)—R12; R3-R10 are independently hydrogen, halogen, C1-C6 linear or branched alkyl, C6-C10 cycloalkyl, phenyl, C7-C10 alkylaryl, or C7-C18 arylalkyl; R11 is C1-C20 linear or branched alkyl, C5-C20 cycloalkyl, C5-C20 cycloalkenyl, C5-C20 cyclodialkenyl, phenyl, C7-C18 alkylaryl, or C7-C18 arylalkyl; and R12 is C6-C12 aryl. |
