Polymerized catalyst composition II
AssigneeExxonMobil Chemical Patents Inc.
InventorsStanley Wai-Yan Chow, Guo-Xin Jin, Zerong Lin, Robert J. Wittenbrink, Dao Zhang
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Abstract
Copolymerization of Ni(II) phenol imine complexes containing olefinic substituents on aryl groups with styrene in the presence of a radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerization. These catalysts have high catalyst activity for olefin polymerization or oligomerization.
Claims19
A composition comprising the product of combining, in the presence of a free radical initiator, a catalyst precursor and at least one catalyst polymerization monomer wherein the catalyst polymerization monomer is polymerizable by free-radical polymerization and wherein the catalyst precursor has the formula:
- wherein
- (a) R1 and R2 are independently hydrogen, NO2, or hydrocarbyl groups;
- (b) R3 and R4 are independently hydrogen or hydrocarbyl groups;
- (c) TM is a Group-4–11 metal;
- (d) X is an abstractable ligand;
- and
- (e) Y is a neutral Lewis base.
A composition comprising the product of combining, in the presence of a free radical initiator, a catalyst precursor and at least one catalyst polymerization monomer wherein the catalyst polymerization monomer is polymerizable by free-radical polymerization and wherein the catalyst precursor is represented by any one of the followiug structures:
- wherein:
- (a) R1 and R2 are independently hydrogen, NO2, or hydrocarbyl groups;
- (b) R3 and R4 are independently hydrogen or hydrocarbyl groups;
- (c) TM is a Group-4–11 metal;
- (d) X is an abstractable ligand;
- and
- (a) Y is a neutral Lewis base.
Dependencies are inferred from the claim text.