Method for the polymerization of copolymerization of ethylene

Claim 1

A METHOD OF POLYMERIZING ETHYLENE WHICH COMPRISES COLYMERIZING OR COPOLYMERIZING ETHYLENE IN A SUSPENSION POLYMERIZATION SYSTEM IN THE PRESENCE OF A CATALYST CONSISTING OF A. A CO-COMMINUTED COMPOSITION OF THE FOLLOWING COMPONENTS: A. AT LEAST ONE COMPONENT SELECTED FROM THE GROUP CONSISTING OF TITANIUM TETRACHLORIDE AND TITANIUM TRICHLORIDE, SAID TITANIUM TETRACHLORIDE CCOMPRISING 1-35% BY WEIGHT AND SAID TITANIUM TRICHLORIDE COMPRISING 1-80% BY WEIGHT OF COMPONENT (A), B. AN ALUMINUM HALIDE-ETHER COMPLEX WHEREIN THE ETHER COMPONENT THEREOF IS A SATURATED OR UNSATURATED EITHER OF THE FORMULA R1-O-R2 WHEREIN R1 AND R2 EACH IS A HYDROCARBON RESIDUE OR A HALOGEN-SUBSTITUTED HYDROCARBON RESIDUE OR TOGETHER FORM A CYCLIC ETHER, SAID ALUMINUM HALIDE-ETHER COMPLEX COMPRISING 5-50% BY WEIGHT OF COMPONENT (A) AND C. MAGNESIUM HALIDE, AND B. AN ORGANO-ALUMINUM COMPOUND.

Claim 2

A METHOD OF POLYMERIZING ETHYLENE WHICH COMPRISES COLYMERIZING OR COPOLYMERIZING ETHYLENE IN A SUSPENSION POLYMERIZATION SYSTEM IN THE PRESENCE OF A CATALYST CONSISTING OF A. A CO-COMMINUTED COMPOSITION OF THE FOLLOWING COMPONENTS: A. AT LEAST ONE COMPONENT SELECTED FROM THE GROUP CONSISTING OF TITANIUM TETRACHLORIDE AND TITANIUM TRICHLORIDE, SAID TITANIUM TETRACHLORIDE CCOMPRISING 1-35% BY WEIGHT AND SAID TITANIUM TRICHLORIDE COMPRISING 1-80% BY WEIGHT OF COMPONENT (A), B. AN ALUMINUM HALIDE-ETHER COMPLEX WHEREIN THE ETHER COMPONENT THEREOF IS A SATURATED OR UNSATURATED EITHER OF THE FORMULA R1-O-R2 WHEREIN R1 AND R2 EACH IS A HYDROCARBON RESIDUE OR A HALOGEN-SUBSTITUTED HYDROCARBON RESIDUE OR TOGETHER FORM A CYCLIC ETHER, SAID ALUMINUM HALIDE-ETHER COMPLEX COMPRISING 5-50% BY WEIGHT OF COMPONENT (A) AND C. MAGNESIUM HALIDE, AND B. AN ORGANO-ALUMINUM COMPOUND.

Claim 10

A method for production of a crystalline polymer having a density of 0.92-0.95 g/ml. and a bulk specific gravity not less than 0.35 which comprises polymerizing a mixture of ethylene and an Alpha -olefin containing more than 2 mol % of Alpha -olefin in an inert hydrocarbon having a boiling point below 40*C. in the presence of a catalyst consisting of A. a co-comminuted composition of the following components: a. at least one component selected from the group consisting of titanium tetrachloride and titanium trichloride, said titanium tetrachloride comprising 1-35% by weight and said titanium trichloride comprising 1-80% by weight of component (A), b. an aluminum halide-ether complex wherein the ether component thereof is a saturated or unsaturated ether of the formula R1-O-R2 wherein R1 and R2 each is a hydrocarbon residue or a halogen-substituted hydrocarbon residue or together form a cyclic ether, said aluminum halide-ether complex comprising 5-50% by weight of Component (A), and c. magnesium halide; and B. an organo-aluminum compound.

Claim 11

A method for production of a crystalline polymer having a density of 0.92-0.95 g/ml. and a bulk specific gravity not less than 0.35 which comprises polymerizing a mixture of ethylene and an Alpha -olefin containing more than 2 mol % of Alpha -olefin in an inert hydrocarbon having a boiling point below 40*C. in the presence of a catalyst consisting of A. a co-comminuted composition of the following components: a. at least one component selected from the group consisting of titanium tetrachloride and titanium trichloride, said titanium tetrachloride comprising 1-35% by weight and said titanium trichloride comprising 1-80% by weight of component (A), b. an aluminum halide-ether complex wherein the ether component thereof is a saturated or unsaturated ether of the formula R1-O-R2 wherein R1 and R2 each is a hydrocarbon residue or a halogen-substituted hydrocarbon residue or together form a cyclic ether, said aluminum halide-ether complex comprising 5-50% by weight of Component (A), and c. magnesium halide; and B. an organo-aluminum compound.