C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/615
C08F 10/06 (2006.01) C08F 2/34 (2006.01) C08F 110/06 (2006.01)
Patent
CA 1324700
A PROCESS FOR MAKING ULTRA HIGH MELT FLOW RATE PROPYLENE POLYMERS by Dale A. Walker Abstract of the Invention A process for making, without post reactor modification, ultra high melt flow rate propylene polymers with high melt strength, melt elasticity and shear sensitivity and characterized in that the molecular weight distribution is relatively constant as the melt flow rate increases, which comprises polymerizing propylene, and an optional comonomer, in the gas phase in the presence of a high activity catalyst with a modest demand for hydrogen.
583989
Sheard William G.
Walker Dale A.
Sheard William G.
Shell Oil Company
Smart & Biggar
Union Carbide Corporation
Walker Dale A.
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