Polymer supported Ziegler-Natta catalysts

Claim 2

A polymer supported Ziegler-Natta catalyst resulting from contacting for a time sufficient to form a compound or a complex (A) (1) at least one organic polymeric material to which has been covalently bonded (2) one or more dihydric phenolic compounds; which has been prepared by reacting a halogenated organic polymeric material with said dihydric phenolic compound; with (B) at least one compound of an element from the transition metal, lanthanide or actinide series represented by the formula Tm(OR) x X y-x wherein each R is independently a hydrocarbyl group having from 1 to about 20 carbon atoms; Tm is an element from the transition metal, lanthanide or actinide series; X is a halogen; x has a value from zero to a value equal to the valence of the element Tm and y has a value equal to the valence of the element Tm; and wherein components (A-1) and (A-2) are employed in amounts which provides a ratio of moles of (A-2) per halogen atom contained in a halogenated component (A-1) of from about 1:1 to about 30:1 and components (A) and (B) are employed in an amount which provides a ratio of moles of polyhydric aromatic compound per atom of Tm of from about 1:1 to about 10:1.

Claim 3

A catalyst of claim 1 wherein (i) the dihydric phenolic compound is represented by the formulas (I-IX) in the specification wherein each A is independently a divalent hydrocarbyl group having from 1 to about 10 carbon atoms, --O--, --S--, --S--S--, ##STR4## each A' is independently a divalent hydrocarbyl group having from 1 to about 10 carbon atoms; each R is independently ##STR5## or a hydroxyl substituted hydrocarbyl or a hydroxyl substituted hydrocarbyloxy group having from 1 to about 20 carbon atoms; each R' is independently hydrogen, hydroxyl or a hydrocarbyl or hydrocarbyloxy group having from 1 to about 10 carbon atoms; each R" is independently hydrogen or a hydrocarbyl or hydrocarbyloxy group having from 1 to about 10; each X is independently a hydroxyl group, a nitro group, a nitrile group, a hydrocarbyl group, a hydrocarbyloxy group, a hydroxyl substituted hydrocarbyl or a hydroxyl substituted hydrocarbyloxy group each such groups having from 1 to about 20 carbon atoms or a halogen; m has an average value of from about 0.01 to about 6; each n independently has a value of zero or 1; n' has a value of 3; each x independently has a value of from zero to 2; each y independently has a value of from zero to 4 and z has a value of from zero to 3; (ii) in component (B), Tm is Ti, Zr or V; (iii) components (A-1) and (A-2) are employed in an amount which provides a ratio of moles of (A-2) per halogen atom contained in halogenated component (A-1) of from about 1:1 to about 10:1; and (iv) components (A) and (B) are employed in an amount which provides a ratio of moles of polyhydric aromatic compound per atom of titanium of from about 1:1 to about 5:1.

Claim 4

A catalyst of claim 2 wherein (i) the dihydric phenolic compound is represented by formula I in the specification wherein each R is a hydroxyl group; each X is independently hydrogen or a hydrocarbyl group having from 1 to about 6 carbon atoms and y has a value of 1; (ii) in component (B), Tm is titanium; (iii) components (A-1) and (A-2) are employed in an amount which provides a ratio of moles of (A-2) per halogen atom contained in halogenated component (A-1) of from about 1:1 to about 3:1; and (iv) components (A) and (B) are employed in an amount which provides a ratio of moles of polyhydric aromatic compound per atom of titanium of from about 1:1 to about 3:1.

Claim 5

A catalyst of claim 3 wherein (i) component (A-1) is chloromethylated polystyrene, chloromethylated styrene/divinylbenzene copolymer or a combination thereof; (ii) component (A-2) is catechol, 4-t-butyl catechol or a combination thereof; and (iii) component (B) is tetraisopropoxy titanium, titanium tetrachloride or a combination thereof.