Supported polyolefin catalyst for polymerization of ethylene und

Details Supported polyolefin catalyst for polymerization of ethylene und Supported polyolefin catalyst for polymerization of ethylene und

1988-10-20

1991-01-01

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526125, 5263486, 526352, 526904, 526906, C08F 4654, C08F 1002

Patent

active

049819283

ABSTRACT:
A catalyst component useful for (co)polymerizing ethylene under high temperatures and pressures comprising the reaction product obtained by treating a magnesium halide supported titanium halide precursor with Lewis acid, thoroughly washing the solid reaction product therefrom and prepolymerizing the washed solid product with an alpha-olefin having from 4-12 carbon atoms.

REFERENCES:
patent: 4069169 (1978-01-01), Togoda et al.
patent: 4157435 (1979-06-01), Toyota et al.
patent: 4314911 (1982-02-01), Giannini et al.
patent: 4321345 (1982-03-01), Sato et al.
patent: 4325836 (1982-04-01), Epstein
patent: 4450242 (1984-05-01), Mink
patent: 4461846 (1984-07-01), Harris et al.

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