PROCESS FOR PRODUCING FUNCTIONALIZED POLYMERS
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May 19, 2022
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Jan 28, 2022
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Jan 28, 2022
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Abstract
A method for method for preparing a functionalized polymer, the method comprising the steps of preparing an active polymerization mixture including a reactive polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst; introducing a heterocyclic nitrile compound with the reactive polymer to form a functionalized polymer within the polymerization mixture; introducing a quenching agent to the polymerization mixture including the functionalized polymer, where the ratio of water or protic hydrogen atoms in the quenching agent to the lanthanide atoms in the lanthanide-based catalyst is less than 1500 to 1.
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