Process for the polymerization and copolymerization of olefins

Claim 2

PROCESS FOR THE POLYMERIZATION AND COPOLYMERIZATION OF A -OLEFINS WHICH COMPRISES CARRYING OUT SAID POLYMERIZATION AND COPOLYMERIZATION IN THE PRESENCE OF A CATALYST COMPRISING AN ORGANOMETALLIC COMPOUND OF A METAL OF GROUPS I, II, III AND IV OF THE PERIODIC TABLE AND THE PRODUCT OBTAINED BY REACTING IN THE LIQUID PHASE A TRANSITION METAL DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF THE HALIDES, OXYHALIDES, ALKOXYHALIDES, OXYALKOXIDES AND ALKOXIDES OF THE METALS OF GROUPS IVB, VB, AND VIB OF THE PERIODIC TABLE AND AN ANHYDROUS SOLID SUPPORT CONSISTING OF A HYDROXIDE OF THE FORMULA N(OH)E IN WHICH M IS SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, CHROMIUM, MANGANESE, IRON, NICKEL, COBALT, COPPER, ZINC AND CADMIUM, SAID TRANSITION METAL DERIVATIVE AND SAID HYDROXIDE BEING INITIALLY MIXED UNDER CONDITIONS WHICH PERVENT OVERHEATING LEADING TO SOLIDIFICATION OF THE REACTION MIXTURE.

Claim 3

Process according to claim 1 in which said transition metal derivative which is reacted with said support is selected from the group consisting of titanium tetrachloride and, vanadium oxychloride, and in which the organometallic compound is a trialkyl aluminum or an alkylaluminum halide.

Claim 4

Process according to claim 1, in which the Alpha -olefin is ethylene.

Claim 5

Process according to claim 1 in which ethylene and propylene are copolymerized.

Claim 6

Process according to claim 1, in which the reaction is carried out by circulating a cooled current of said transition metal derivative over said hydroxide at a speed such that no local overheating takes place, the suspension being then heated to from about 40* to 180*C.

Claim 7

Process according to claim 1, in which said hydroxide is mixed with said transition metal derivatives by allowing said hydroxide to fall in powder form into a large amount of cold transition metal derivatives, the suspension being then heated to from about 40* to 180*C.

Claim 8

A process for the polymerization of ethylene and mixtures thereof with other Alpha -olefins copolymerizable therewith which comprises carrying out said polymerization and copolymerization in the presence of a catalyst comprising an organometallic compound of a metal of Groups I, II, III and IVA of the Periodic Table and the product obtained by reacting in the liquid phase a transition metal derivative selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides and alkoxides of the metals of Groups IVb, Vb and VIb of the Periodic Table and an anhydrous solid support consisting of Mg(OH)2, said transition metal derivative and said Mg(OH)2 being initially mixed under conditions which pRevent overheating leading to solidification of the reaction mixture.

Claim 9

A process for the polymerization of ethylene and mixtures thereof with other Alpha -olefins copolymerizable therewith which comprises carrying out said polymerization and copolymerization in the presence of a catalyst comprising an organometallic compound of a metal of Groups I, II, III and IVA of the Periodic Table and the product obtained by reacting in the liquid phase a transition metal derivative selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides and alkoxides of the metals of Groups IVb, Vb and VIb of the Periodic Table and an anhydrous solid support consisting of Mg(OH)2, said transition metal derivative and said Mg(OH)2 being initially mixed under conditions which pRevent overheating leading to solidification of the reaction mixture.

Claim 10

Process according to claim 7, in which the reaction is carried out by circulating a cooled current of said transition metal derivative over said hydroxide at a speed such that no local overheating takes place, the suspension being then heated to from about 40* to 180*C.

Claim 11

Process according to claim 7, in which said hydroxide is mixed with said transition metal derivatives by allowing said hydroxide to fall in powder form into a large amount of cold transition metal derivatives, the suspension being then heated to from about 40* to 180*C.

Claim 12

Process for the polymerization and copolymerization of Alpha -olefins which comprises carrying out said polymerization and copolymerization in the presence of a catalyst comprising an organometallic compound of a metal of Groups I, II, III and IV of the Periodic Table and the product obtained by reacting in the liquid phase a transition metal derivative selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides and alkoxides, of the metals of Groups IVb, Vb, and VIb of the Periodic Table and an anhydrous solid support consisting of a hydroxide of the formula M(OH)2 in which M is selected from the group consisting of magnesium, chromium, manganese, iron, nickel, cobalt, copper, zinc and cadmium, said transition metal derivative and said hydroxide being initially mixed under conditions which prevent overheating leading to solidification of the reaction mixture and then heating said mixture to a temperature of from about 40* to 180*C.

Claim 13

Process for the polymerization and copolymerization of Alpha -olefins which comprises carrying out said polymerization and copolymerization in the presence of a catalyst comprising an organometallic compound of a metal of Groups I, II, III and IV of the Periodic Table and the product obtained by reacting in the liquid phase a transition metal derivative selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides and alkoxides, of the metals of Groups IVb, Vb, and VIb of the Periodic Table and an anhydrous solid support consisting of a hydroxide of the formula M(OH)2 in which M is selected from the group consisting of magnesium, chromium, manganese, iron, nickel, cobalt, copper, zinc and cadmium, said transition metal derivative and said hydroxide being initially mixed under conditions which prevent overheating leading to solidification of the reaction mixture and then heating said mixture to a temperature of from about 40* to 180*C.

Claim 14

A process for the polymerization of ethylene and mixtures thereof with other Alpha -olefins copolymerizable therewith which comprises carrying out said polymerization and copolymerization in the presence of a catalyst comprising an organometallic compound of a metal of Groups I, II, III and IVA of the Periodic Table and the product obtained by reacting in the liquid phase a transition metal derivative selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides and alkoxides of the metals of Groups IVb, Vb and VIb of the Periodic Table and an anhydrous solid support consisting of Mg(OH)2, said transition metal derivative and said Mg (OH)2 being initially mixed under conditions which avoid overheating leading to solidification of the reaction mixture and the mixture being then heated to a temperature of from 40* to 180*C.

Claim 15

A process for the polymerization of ethylene and mixtures thereof with other Alpha -olefins copolymerizable therewith which comprises carrying out said polymerization and copolymerization in the presence of a catalyst comprising an organometallic compound of a metal of Groups I, II, III and IVA of the Periodic Table and the product obtained by reacting in the liquid phase a transition metal derivative selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides and alkoxides of the metals of Groups IVb, Vb and VIb of the Periodic Table and an anhydrous solid support consisting of Mg(OH)2, said transition metal derivative and said Mg (OH)2 being initially mixed under conditions which avoid overheating leading to solidification of the reaction mixture and the mixture being then heated to a temperature of from 40* to 180*C.

Claim 16

Process for the polymerization of ethylene and for the copolymerization of ethylene and propylene which comprises carrying out said polymerization and copolymerization in the presence of a catalyst comprising an organometallic compound selected from the group consisting of trialkyl aluminums, and dialkylaluminumhalides and the product obtained by reacting in a liquid phase a transition metal derivative selected from the group consisting of titanium tetrachloride, titanium dichloride diethoxide, titanium tetrabutoxide, vanadium tetrachloride, vanadium oxychloride, vanadium oxytributoxide and chromium oxychloride with an anhydrous solid support consisting of magnesium hydroxide, said hydroxide being mixed with said transition metal derivative by allowing said hydroxide to fall in powder form into said transition metal derivative in liquid form under conditions which prevent overheating leading to solidification of the reaction mixture and then heating the reaction mixture to a temperature of from 40* to 180*C.

Claim 17

Process for the polymerization of ethylene and for the copolymerization of ethylene and propylene which comprises carrying out said polymerization and copolymerization in the presence of a catalyst comprising an organometallic compound selected from the group consisting of trialkyl aluminums, and dialkylaluminumhalides and the product obtained by reacting in a liquid phase a transition metal derivative selected from the group consisting of titanium tetrachloride, titanium dichloride diethoxide, titanium tetrabutoxide, vanadium tetrachloride, vanadium oxychloride, vanadium oxytributoxide and chromium oxychloride with an anhydrous solid support consisting of magnesium hydroxide, said hydroxide being mixed with said transition metal derivative by allowing said hydroxide to fall in powder form into said transition metal derivative in liquid form under conditions which prevent overheating leading to solidification of the reaction mixture and then heating the reaction mixture to a temperature of from 40* to 180*C.

Claim 18

Process for the preparation of a catalytic complex which comprises reacting in the liquid phase a transition metal derivative selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides, and alkoxides of the metals of Groups IVb, Vb and VIb of the Periodic Table and an anhydrous solid support consiSting of a hydroxide of the formula M(OH)2 in which M is selected from the group consisting of magnesium, chromium, manganese, iron, nickel, cobalt, copper, zinc and cadmium, said transition metal derivative and said hydroxide being initially mixed under conditions which prevent overheating leading to solidification of the reaction mixture.

Claim 19

Process for the preparation of a catalytic complex which comprises reacting in the liquid phase a transition metal derivative selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides, and alkoxides of the metals of Groups IVb, Vb and VIb of the Periodic Table and an anhydrous solid support consiSting of a hydroxide of the formula M(OH)2 in which M is selected from the group consisting of magnesium, chromium, manganese, iron, nickel, cobalt, copper, zinc and cadmium, said transition metal derivative and said hydroxide being initially mixed under conditions which prevent overheating leading to solidification of the reaction mixture.

Claim 20

Process according to claim 13 in which the transition metal compound is selected from the group consisting of titanium tetrachloride and vanadium oxychloride.

Claim 21

A catalytic complex prepared according to claim 13.

Claim 22

A catalyst obtained by activating the catalytic complex prepared according to claim 13 with an organometallic compound of a metal of Groups I, II, III of the Periodic Table.

Claim 23

Process according to claim 13, in which the reaction is carried out by circulating a cooled current of said transition metal derivative over said hydroxide at a speed such that no local overheating takes place, the suspension being then heated to from about 40* to 180*C.

Claim 24

Process according to claim 13, in which said hydroxide is mixed with said transition metal derivatives by allowing said hydroxide to fall in powder form into a large amount of cold transition metal derivatives, the suspension being then heated to from about 40* to 180*C.

Claim 25

Process for the preparation of a catalytic complex which comprises reacting in the liquid phase a transition metal derivatives selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides, and alkoxides of the metals of Groups IVb, Vb and VIb of the Periodic Table and an anhydrous solid support consisting of a hydroxide of the formula M(OH)2 in which M is selected from the group consisting of magnesium, chromium, manganese, iron, nickel, cobalt, copper, zinc and cadmium, said transition metal derivative and said hydroxide being initially mixed under conditions which avoid overheating leading to solidification of the reaction mixture and the mixture then being heated to a temperature of from about 40* to 180*C.

Claim 26

Process for the preparation of a catalytic complex which comprises reacting in the liquid phase a transition metal derivatives selected from the group consisting of the halides, oxyhalides, alkoxyhalides, oxyalkoxides, and alkoxides of the metals of Groups IVb, Vb and VIb of the Periodic Table and an anhydrous solid support consisting of a hydroxide of the formula M(OH)2 in which M is selected from the group consisting of magnesium, chromium, manganese, iron, nickel, cobalt, copper, zinc and cadmium, said transition metal derivative and said hydroxide being initially mixed under conditions which avoid overheating leading to solidification of the reaction mixture and the mixture then being heated to a temperature of from about 40* to 180*C.