LIGANDS AND CATALYSTS FOR PRODUCING ELASTOMERIC PROPYLENE POLYMERS
摘要
A ligand useful to form a metallocene olefin polymerization catalyst comprises:wherein at least R3 and R4 are substituents having at least a bulk of a t-butyl group and, optionally, wherein R1 or R2 may be a bulky substituent group.
申请公布号
EP1157047(A1)
申请公布日期
2001.11.28
申请号
EP19990967306
申请日期
1999.12.14
申请人
BP CORPORATION NORTH AMERICA INC.
发明人
ERNST, ANDREAS, P.;MOORE, ERIC, J.;MYERS, CHARLES, L.;QUAN, ROGER, W.
