Process for the production of polyethylene

Details Process for the production of polyethylene Process for the production of polyethylene

1981-06-05

1985-05-21

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502113, 502119, 526119, 526352, C08F 402, C08F 1002

Patent

active

045187517

ABSTRACT:
A process for the production of polyethylene having a wide molecular weight distribution and good molding and good physical properties. It is produced using a catalyst consisting of components (A) and (B). Component (A) is a solid product prepared by reacting (i) the reaction product of a compound containing titanium, magnesium and halogen, and (ii) at least one compound selected from the group consisting of tetraalkoxyzirconium, zirconium tetrahalide and tetraalkoxytitanium, with an organoaluminum halide compound of the general formula: AlR.sup.1.sub.n X.sup.1.sub.3-n wherein R.sup.1 is an alkyl group, X.sup.1 is a halogen atom, and 0<n<3 or a halogen-containing titanium compound of the general formula Ti(OR.sup.2).sub.m X.sup.2 4-m, wherein R.sup.2 is an alkyl group, X.sup.2 is a halogen atom, and 0.ltoreq.m<4. Component (B) is an organoaluminum compound.

REFERENCES:
patent: 4109071 (1978-08-01), Berger et al.
patent: 4226964 (1980-10-01), Tanaka et al.
patent: 4239650 (1980-12-01), Franke et al.
patent: 4255544 (1981-03-01), Kimura et al.
patent: 4260723 (1981-04-01), Harada et al.

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