Programmed addition of heavy ethers for microstructure control of diene polymers
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United States of America Patent
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Aug 18, 1998
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N/A
app pub date -
Mar 12, 1997
filing date -
Mar 18, 1996
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Abstract
A process for the polymerization of dienes which comprises anionically polymerizing dienes in the presence of an anionic polymerization initiator and a microstructure control agent is improved by adding the control agent to the polymerization mixture in two or more doses to closely control the vinyl content of the polymer produced.
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