Lithium alkoxide diamines as modifiers for polymerization of dienes using lithium-based initiators
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United States of America Patent
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Aug 30, 1983
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N/A
app pub date -
Jun 14, 1982
filing date -
Jun 14, 1982
priority date (Note) -
Expired
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Abstract
A process and catalyst system is disclosed herein for the preparation of (co)polymers having a 1,2-microstructure of between 20 and 90 percent. These (co)polymers are prepared in a hydrocarbon or non-polar solvent from a monomer system which contains at least one 1,3-diene monomer. The catalyst system which is employed in the production of the (co)polymers of the present invention is a combination of a chelated lithium alkoxide diamine modifier and an anionic initiator based on lithium.
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