Solid titanium catalyst component for olefin polymerization olef

Details Solid titanium catalyst component for olefin polymerization olef Solid titanium catalyst component for olefin polymerization olef

1997-12-12

1999-09-07

Wu, David W.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5261253, 5261256, 526142, 526153, 526351, 526904, 502110, 502114, 502121, 502122, 502123, 502126, C08F 464

Patent

active

059488727

ABSTRACT:
titanium and a compound having at least two ether linkags with a plurality of intermediately existing bonding atoms; a catalyst and a prepolymerized olefin-containing catalyst prepared by using the solid titanium catalyst or prepolymerized olefin containing catayst is used. A catalyst and a prepolymerized olefin containing catalyst prepared by using a solid and a specific electron donor (al), and a compound having at least two ether linkags with a plurality of intermediately existing bonding atoms; a method for preparing a polyolefin wherein said catalyst or prepolymerized olefin containing catayst is used. By virtue of the use of the catalysts or the prepolymerized olefin-containing catalysts, the polymerization reaction efficiently proceeds with high catalytic activity, giving polymers high in stereospecificity.

REFERENCES:
patent: 4978648 (1990-12-01), Barbe et al.

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