Olefin polymerization with a metal oxide activated three-component catalyst

Claim 1

IN THE POLYMERIZATION OF AN A-OLEFINIC HYDROCARBON CONTAINING 3 TO 10 CARBON ATOMS TO FORM SOLID, CRYSTALLINE POLYMER, THE IMPROVEMENT WHICH COMPRISES CATALYZING THE POLYMERIZATION WITH A CATALYTIC MIXTURE COMPRISING AS ESSENTIAL ACTIVE COMPONENTS (1) A CHLORIDE OF A TRANSITION METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, ZIRCONIUM, VANADIUM AND MOLYBDENUM; (2) A METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF CALCIUM OXIDE, MAGNESIUM OXIDE, SODIUM OXIDE, ZINC OXIDE AND BARIUM OXIDE; AND (3) AT LEAST ONE COMPONENT SELECTED FROM THE FOLLOWING: (A) A METAL SELECTED FROM THE GROUP CONSISTING OF SODIUM, POTASSIUM, LITHIUM, MAGNESIUM, ZINC AND ALUMINUM, ALKYL DERIVATIVES OF SAID METALS SELECTED FROM THE GROUP CONSISTING OF SODIUM ALKYL, POTASSIUM ALKYL, LITHIUM ALKYL, ALKUL MAGNESIUM HALIDE, ZINC DIALKYL AND ALUMINUM TRIALKYL WHEREIN THE ALKYL RADICALS CONTAIN FROM 1 TO 5 CARBON ATOMS, HYDRIDES OF SAID METALS AND COMPLEX METAL HYDRIDES WHEREIN THE METALS ARE SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND ALKALI METALS; (B) ORGANO ALUMINUM HALIDES HAVING THE FORMULA RMALXN WHEREIN R IS A HYDROCARBON RADICAL SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL, CYCLOALKYL AND PHENYL, X IS A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE AND M AND N ARE INTEGERS WHOSE SUM IS EQUIVALENT TO THE VALENCE OF ALUMINUM, AND (C) A POLYMERIC REACTION PRODUCT OF ALUMINUM AND METHYLENE CHLORIDE, THE MOLAR RATIO OF COMPONENT (3) TO METAL OXIDE IN SAID CATALYTIC MIXTURE BEING WITHIN THE RANGE OF 1:1 TO 1:50.