Propylene polymerization method

Details Propylene polymerization method Propylene polymerization method

1990-09-11

1991-07-30

Garvin, Patrick P.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526128, 526129, 526351, 502116, C08F 4654

Patent

active

050361473

ABSTRACT:
A solid catalyst component and catalyst system, and method for the homopolymerization of propylene or copolymerization of a major amount of propylene with one or more other 1-olefins are disclosed. The solid catalyst component is used in combination with a complex of an alkyl aluminum cocatalyst compound and an electron donor stereoregulating agent. The solid catalyst component is prepared by reacting a silica-containing support material with a magnesium silylamide compound, an electron donor stereoregulating agent, and a halogenated tetravalent titanium compound.

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