Process for preparing an in situ polyethylene blend

Details Process for preparing an in situ polyethylene blend Process for preparing an in situ polyethylene blend

1994-11-23

1996-12-31

Reddick, Judy M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525240, 525247, 525268, 525270, 525324, 526 65, C08L 2316, C08L 2308, C08F29708

Patent

active

055895395

ABSTRACT:
A process for the production of an in situ particulate polyethylene blend comprising contacting a magnesium/titanium based catalyst system including a particulate precursor with one or more alpha-olefins in each of two or more reactors connected in series, in the gas phase, under polymerization conditions, with the provisos that:

REFERENCES:
patent: 5047468 (1991-09-01), Lee et al.
patent: 5126398 (1992-06-01), Lee et al.
patent: 5149738 (1992-09-01), Lee et al.
patent: 5260384 (1993-11-01), Morimoto et al.
patent: 5284613 (1994-02-01), Ali et al.
patent: 5387749 (1995-02-01), Goroni et al.
patent: 5405901 (1995-04-01), Daniell et al.
patent: 5494871 (1996-02-01), Brun et al.

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