B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
252/52.E
B01J 27/24 (2006.01) C08F 4/02 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1146928
U.S. 18,418 ABSTRACT OF THE DISCLOSURE A new improved Ziegler type catalyst system for alpha-olefin type polymerization includes R'3Y or R'2YX and mixtures thereof, at least one Group IVB-VIII transition metal halide and an alkyl metal compound selected from R'2YNR2 and R'XYNR2, wherein Y is Al, Ga or In. The improved catalyst system provides in- creased polymerization activity without significantly affecting the crystallinity of the polymer.
346421
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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