Catalysts and process for the polymerization of olefins
Abstract
Abstract THE CATALYST FOR THE POLYMERIZATION AND COPOLYMERIZATION OF OLEFINS IS COMPOSED OF (A) AT LEAST ONE ORGANOMETALLIC COMPOUND AND (B) A SOLID CATALYTIC COMPONENT OBTAINED BY REACTING A SUPPORT COMPRISED OF SILICA, ALUMINA OR BOTH SILICA AND ALUMINA WITH A COMPOUND OF THE FORMULA MRNXM-N IN WHICH M IS ALUMINUM OR MAGNESIUM, R IS A HYDROCARBON RADICAL, X IS HYDROGEN OR HALOGEN, M IS THE VALENCE OF M AND N IS A WHOLE NUMBER OF NOT LESS THAN 1 NOR GREATER THAN M, SEPARATING THE SOLID PRODUCT OF THE REACTION, REACTING THIS PRODUCT WITH AN EXCESS OF A HALOGEN-CONTANING TRANSITION METAL COMPOUND AND SEPARATING THE SOLID REACTION PRODUCT. THE POLYMERIZATION OF A-OLEFINS AND COPOLYMERIZATION OF A-OLEFINS WITH ONE ANOTHER AND WITH DIOLEFINS BY MEANS OF THE PRESENT CATALYSTS ARE CARRIED OUT WITH A HIGH RATE OF PRODUCTIVITY.
Inventors
- 👤 J Stevens
- 👤 M George
Bibliographic Details
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