| 摘要 |
A process for polymerizing ethylene comprising contacting under polymerization condition ethylene and optionally one or more olefins with a catalyst system obtainable by contacting: a bis amido compound of formula (I) wherein Y is Si, Ge and Sn; X is hydrogen, halogen or an hydrocarbon radical; R<1>, R<2>, R<3>, R<4>, R<5> and R<6>, are hydrocarbon radical; Q is a neutral Lewis base; and m is 0-2; one or more boron activating cocatalysts and one or more aluminum alkyls or alumoxanes. |
| 申请人 |
BASELL TECHNOLOGY COMPANY B.V.;DALL'OCCO, TIZIANO;HORTON, ANDREW, D.;RUISCH, BART, J.;VON HEBEL, KLAAS, L.;VAN ZON, ARIE;DEULING, HENRI, H.;DE BOER, ERIC, J., M. |
发明人 |
DALL'OCCO, TIZIANO;HORTON, ANDREW, D.;RUISCH, BART, J.;VON HEBEL, KLAAS, L.;VAN ZON, ARIE;DEULING, HENRI, H.;DE BOER, ERIC, J., M. |
