Process for production of olefin polymers

Details Process for production of olefin polymers Process for production of olefin polymers

1985-09-23

1987-10-20

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502126, 526119, 526142, 526351, C08F 464, C08F 1006

Patent

active

047015055

ABSTRACT:
An olefin is polymerized by using a catalyst consisting essentially of (A) a solid catalyst component containing a magnesium halide and a titanium chloride, (B) an organic aluminum compound, and (C) an ether compound represented by the formula: R.sup.1 R.sup.2 R.sup.3 C(OR.sup.4), R.sup.1 R.sup.2 C(OR.sup.4).sub.2 or R.sup.1 C(OR.sup.4).sub.3. The catalyst has high catalytic activity and high stereoregularity as well as good activity endurance and is especially suitable for production of block copolymers.

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patent: 4223117 (1980-09-01), Sano et al.
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patent: 4226963 (1980-10-01), Giannini et al.
patent: 4256866 (1981-07-01), Karayannis et al.
patent: 4402863 (1983-09-01), Miyazaki et al.
patent: 4525558 (1985-06-01), Takitani et al.

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