Polymerization catalyst, production and use

Claim 2

A vanadium containing catalyst component obtained by treating an inert solid support material in an inert solvent with (i) an organoaluminum compound represented by the formula R m AlX 3-m , wherein R represents an alkyl group, cycloalkyl group or aryl group, X represents a halogen atom and m represents a number within the range of 1≦m≦3, (ii) an acyl halide, (iii) a vanadium compound.

Claim 3

The vanadium containing catalyst component of claim 1 wherein the organoaluminum compound can be represented by the general formula R m AlX 3-n wherein R represents an alkyl group, cycloalkyl group or aryl group having from 1 to 18 carbon atoms, X is halogen and m represents a suitable numeral in the range of 1≦m≦3 or mixtures or compounds thereof, the vanadium compound is represented by the general formulas: ##STR4## where x=0-3 and R=a hydrocarbon radical; VCl.sub.y (OR).sub.4-y, (2) where y=3-4 and R=a hydrocarbon radical; ##STR5## where z=2-3 and (AcAc)=acetyl acetonate group; ##STR6## where (AcAc)=acetyl acetonate group; and VCl.sub.3.nB, (5) where n=2-3 and B=a Lewis base which can form hydrocarbon-soluble complexes with VCl 3 .

Claim 4

The vanadium containing catalyst component of claim 2 wherein the acyl halide is selected from acetyl chloride, benzoyl chloride and p-methylbenzoyl chloride.

Claim 5

The vanadium containing catalyst component of claim 1 wherein the inert solid support material is an inorganic oxide or mixtures of inorganic oxides.

Claim 6

The vanadium containing catalyst component of claim 4 wherein the inorganic oxide is silica.

Claim 7

The vanadium containing catalyst component of claim 2 wherein the vanadium compounds is selected from vanadyl trichloride, vanadium tetrachloride and vanadyl chloride dibutoxy.

Claim 8

The vanadium containing catalyst component of claim 1 wherein the organoaluminum compound is selected from trimethylaluminum, triethylaluminum, triisobutylaluminum and tri-n-octylaluminum.

Claim 9

The vanadium containing catalyst component of claim 1 wherein the silica is contacted sequentially with the organoaluminum compound, the acyl chloride, and the vanadium compound.

Claim 10

The vanadium containing catalyst component of claim 1 wherein the inert support material is contacted sequentially with the acyl chloride, the aluminum compound and the vanadium compound.

Claim 11

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catalyst component of claim 1.

Claim 12

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catalyst component of claim 2.

Claim 13

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catayst component of claim 3.

Claim 14

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catalyst component of claim 4.

Claim 15

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catalyst component of claim 5.

Claim 16

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catalyst component of claim 6.

Claim 17

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catalyst component of claim 7.

Claim 18

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catalyst component of claim 8.

Claim 19

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catalyst component of claim 9.

Claim 20

A catalyst system for the polymerization of olefins comprising (a) an organoaluminum cocatalyst, (b) the vanadium containing catalyst component of claim 10.