Process for the polymerization and copolymerization of olefins with a solid support catalyst

A process for the polymerization and copolymerization of .alpha.-olefins which comprises conducting the polymerization or copolymerization in the presence of a catalyst composition comprising

• A. the solid reaction product of (1) a substantially anhydrous, solid magnesium oxide containing less than 0.1 hydroxyl group per molecule, and (2) a liquid, halogen-containing transition metal compound selected from the group consisting of the chloride, bromide and oxyhalide salts of titanium and vanadium, the solid reaction product having a halogen-to-transition metal atomic ratio higher than 3 and the reaction having been carried out so as to prevent the elimination of hydrogen halide from the reaction;
• and
• B. an organometallic compound selected from the organic derivatives of the metals of Groups I, II, III and IV of the Periodic Table and being present in a molar concentration greater than that of said transition metal.

A process for the polymerization of ethylene which comprises polymerizing the ethylene in the presence of a catalyst composition comprising

• A. the solid reaction product of (1) a substantially anhydrous, solid, oxygenated magnesium compound containing less than 0.1 hydroxyl group per molecule, and (2) a liquid, halogen-containing transition metal compound selected from the group consisting of the chloride, bromide and oxyhalide salts of titanium and vanadium, the solid reaction product having a halogen to transition metal atomic ratio higher than 3 and the reaction having been carried out so as to prevent the elimination of hydrogen halide from the reaction;
• and
• B. an organometallic compound selected from the organic derivatives of the metals of Groups I, II, III and IV of the Periodic Table and being present in a molar concentration greater than that of said transition metal.

A process for the copolymerization of ethylene and propylene which comprises copolymerizing the ethylene and propylene in the presence of a catalyst composition comprising

• A. the solid reaction product of (1) a substantially anhydrous, solid, oxygenated magnesium compound containing less than 0.1 hydroxyl group per molecule, and (2) a liquid, halogen-containing transition metal compound selected from the group consisting of the chloride, bromide and oxyhalide salts of titanium and vanadium, the solid reaction product having a halogen-to-transition metal atomic ratio higher than 3 and the reaction having been carried out so as to prevent the elimination of hydrogen halide from the reaction;
• and
• B. an organometallic compound selected from the organic derivatives of the metals of Groups I, II, III and IV of the Periodic Table and being present in a molar concentration greater than that of said transition metal.

A process for the polymerization and copolymerization of 60 -olefins which comprises conducting the polymerization or copolymerization in the presence of a catalyst composition comprising

• A. the solid reaction product of (1) a substantially anhydrous, solid, oxygenated magnesium salt containing less than 0.1 hydroxyl group per molecule, and (2) a liquid, halogen-containing transition metal compound selected from the group consisting of the chloride, bromide, and oxyhalide salts of titanium and vanadium, the solid reaction product having a halogen-to-transition metal atomic ratio higher than 3 and the reaction having been carried out so as to prevent the elimination of hydrogen halide from the reaction;
• and
• B. the organometallic compound selected from the organic derivatives of the metals of Groups I, II, III and IV of the Periodic Table and being present in a molar concentration greater than that of said transition metal.

A catalytic composition for the low pressure polymerization and copolymerization of .alpha.-olefins comprising

• A. the solid reaction product of (1) a substantially anhydrous, solid, oxygenated magnesium compound containing less than 0.1 hydroxyl group per molecule and (2) a liquid, halogen-containing transition metal compound selected from the group consisting of the chloride, bromide and oxyhalide salt of titanium and vanadium, the solid reaction product having a halogen-to-transition metal atomic ratio higher than 3;
• and
• B. an organometallic compound selected from the organic derivatives of the metals of Groups I, II, III and IV of the Periodic Table and being present in a molar concentration greater than that of said transition metal.

A catalytic composition for the low pressure polymerization and copolymerization of .alpha.-olefins comprising

• A. the solid reaction product of (1) a substantially anhydrous, solid, oxygenated magnesium salt containing less than 0.1 hydroxyl group per molecule, and (2) a liquid, halogen-containing transition metal compound selected from the group consisting of the chloride, bromide and oxyhalide salts of titanium and vanadium, the solid reaction products having a halogen-to-transition metal atomic ratio higher than 3;
• and
• B. an organometallic compound selected from the organic derivatives of the metals of Groups I, II, III and IV of the Periodic Table and being present in a molar concentration greater than that of said transition metal.

A solid catalytic complex to be used in combination with an organometallic compound selected from the organic derivatives of the metals of Groups I, II, III and IV of the Periodic Table for the polymerization and copolymerization of .alpha.-olefins comprising a solid reaction product of (1) a substantially anhydrous, solid, oxygenated magnesium compound containing less than 0.1 hydroxyl group per molecule, and (2) a liquid, halogen-containing transition metal compound selected from the group consisting of the chloride, bromide, and oxyhalide salt of titanium and vanadium, the solid reaction product having a halogen-to-transition metal atomic ratio higher than 3 and formed under reaction conditions which prevent the elimination of hydrogen halide from the reaction.