C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/375, 402/626
C08F 4/44 (2006.01) C08F 10/00 (2006.01)
Patent
CA 1108111
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 form R'2YNR2 and R'XYNR2, wherein Y is Al, Ga or In. The improved catalyst system provides increased polymerization activity without significantly affecting the crystallinity of the polymer.
295087
Borden Ladner Gervais Llp
Exxon Research And Engineering Company
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