Method for polymerizing ethylene

Details Method for polymerizing ethylene Method for polymerizing ethylene

1982-02-18

1983-12-13

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, 526127, 5263486, 526352, 502158, 502169, C08F 402, C08F 1002

Patent

active

044205945

ABSTRACT:
An ethylene polymer is produced with an excellent yield by bringing a feed containing ethylene into contact with a catalyst which comprises (A) a solid catalytic ingredient prepared (a) by reacting a Grignard compound with a reaction product of an aluminum halide with an organic silicon compound of the formula, R.sup.1.sub.n Si(OR.sup.2).sub.4-n, wherein R.sup.1 =C.sub.1-8 alkyl or phenyl, R.sup.2 =C.sub.1-8 alkyl and n=1, 2 or 3 and (b) by bringing the resultant solid reaction product into contact with titanium tetrahalide and (B) another catalytic ingredient consisting of at least one trialkyl aluminum.

REFERENCES:
patent: 4297463 (1981-10-01), Ueno et al.
patent: 4306046 (1981-12-01), Ueno et al.

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