Process for producing polyethylene

Details Process for producing polyethylene Process for producing polyethylene

1981-08-25

1983-06-21

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 526114, 526115, 526116, 526119, 526121, 526122, 526124, 526125, 526352, C08F 402, C08F 1002

Patent

active

043895182

ABSTRACT:
A process for producing polyethylene having a superior form and a narrower molecular weight distribution with a higher polymer yield is provided. In this process, a combination of a solid product (II) with an organoaluminum compound is used as a polymerization catalyst. This solid product is prepared by first reacting a trivalent metal halide with a divalent metal compound to form a solid product (I), which is then reacted with a halogen-containing transition metal compound and a halogen-free transition metal compound in the presence of a polysiloxane.

REFERENCES:
patent: 4260723 (1981-04-01), Harada et al.
patent: 4288578 (1981-09-01), Hsieh
patent: 4331790 (1982-05-01), Ligorati et al.

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