Patent ID: 8268933
Filing Date: 2012-09-18
Classification: C08C,C08F,C08G

Abstract:
1. A method for preparing a functionalized polymer, the method comprising the steps of: (i) polymerizing conjugated diene monomer by employing a lanthanide-based catalyst to form a reactive polymer; and (ii) reacting the reactive polymer with a tris-imine compound selected from the group consisting of N,N′,N″-tris(benzylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(cyclohexylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(cyclopentylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(4-dimethylaminobenzylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(4-diethylaminobenzylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(4-di-n-butylaminobenzylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-methoxybenzylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(3-methoxybenzylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(4-methoxybenzylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-pyridylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(3-pyridylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(4-pyridylmethylidene)-tris(2-aminoethyl)amine, N-(2-pyridylmethylidene)-N′,N″-bis(benzylidene)-tris (2-aminoethyl)amine, N,N′-bis(2-pyridylmethylidene)-N″-(benzylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(pyrazinylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-pyrimidinylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(3-pyridazinylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-methyl-2-pyrrolylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-methyl-2-imidazolylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-methyl-3-pyrazolylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-furylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(3-furylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-thienylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(3-thienylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-oxazolylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(3-isoxazolylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-thiazolylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(3-isothiazolylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-methyl-1,2,3-triazol-4-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-methyl-1,2,4-triazol-5-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1,2,3-oxadiazol-4-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1,3,4-oxadiazol-2-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1,3,5-triazinylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-methyl-2-pyrrolin-2-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-methyl-2-imidazolin-2-ylmethylidene)-tris (2-aminoethyl)amine, N,N′,N″-tris(1-methyl-2-pyrazolin-3-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-oxazolin-2-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-thiazolin-2-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-isothiazolin-2-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-quinolylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-isoquinolylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-methylindol-2-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-methylisoindol-1-ylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(1-phthalazinylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-quinazolinylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-quinoxalinylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(3-cinnolinylmethylidene)-tris(2-aminoethyl)amine, N,N′,N″-tris(2-benzothiazolylmethylidene)-tris(2-aminoethyl)amine, and mixtures thereof.