CONTINUOUS METHOD FOR PRODUCING A DIENE ELASTOMER
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United States of America
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Dec 9, 2021
app pub date -
Dec 4, 2018
filing date -
Dec 4, 2018
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Abstract
A continuous method for producing a diene elastomer is provided. The method comprises a polymerization reaction of a catalytic system with at least one conjugated diene monomer to be polymerized in solution in a solvent. The catalytic system is based on at least a rare earth organic salt and an alkylating agent, in at least two full polymerization reactors in series. A portion of the conjugated diene monomer to be polymerized is introduced into a polymerization reactor subsequent to the first polymerization reactor.
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