Process for the preparation of branched low-pressure polyethylen

Details Process for the preparation of branched low-pressure polyethylen Process for the preparation of branched low-pressure polyethylen

1996-09-05

1997-11-11

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 96, C08F 424, C08F 426, C08F21002

Patent

active

056865422

ABSTRACT:
Branched low-pressure polyethylenes are prepared by oligomerization of ethylene on a nickel-containing catalyst and polymerization of the oligomers obtained, if appropriate in the presence of ethylene, on a chromium-containing catalyst.

REFERENCES:
patent: 3151181 (1964-09-01), Hewitt et al.
patent: 3645992 (1972-02-01), Elston
patent: 3984610 (1976-10-01), Elston
patent: 4205021 (1980-05-01), Morita et al.
patent: 4690991 (1987-09-01), Seppola
patent: 5122581 (1992-06-01), Fries

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