Method for producing an olefin polymer

Details Method for producing an olefin polymer Method for producing an olefin polymer

1989-03-06

1989-11-28

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502125, 526125, 526351, 526909, C08F 402, C08F 1006

Patent

active

048838489

ABSTRACT:
A method for producing an olefin polymer, which comprises polymerizing or copolymerizing an olefin in the presence of a catalyst comprising (a) a titanium-containing solid catalyst component and (b) an organic metal compound of a metal of Groups I-III of the Periodic Table, said solid catalyst component (a) being obtained by treating (A) a magnesium compound of the formula Mg(OR.sup.1).sub.n (OR.sup.2).sub.2-n wherein each of R.sup.1 and R.sup.2 is an alkyl group, an aryl group or an aralkyl group, and n is 2.gtoreq.n.gtoreq.0, with three compounds i.e. (B) an electron donative compound, (C) a silicon compound of the formula Si(OR.sup.3).sub.4 wherein R.sup.3 is an alkyl group, an aryl group or an aralkyl group and (D) a titanium compound.

REFERENCES:
patent: 4451688 (1984-05-01), Kuroda et al.
Chemical Abstracts, vol. 94, No. 8, Apr. 1981, p. 26, Abstract No. 122300j, Jan. 28, 1980.
Chemical Abstracts, vol. 93, No. 22, Dec. 1980, p. 24, Abstract No. 205352h, Jul. 5, 1980.

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