Method of preparing an anionic polymerization initiator
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United States of America Patent
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Aug 24, 1993
Grant Date -
N/A
app pub date -
Dec 30, 1991
filing date -
Dec 30, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vulcanizable elastomeric compound and products such as pneumatic tires and the like, are formed from a functionalized polymer having a functional group derived from the polymerization initiator. The polymerization initiator is selected from the group consisting of ##STR1## where R.sup.1 and R.sup.2 are the same or different and are selected from the group consisting of alkyls having from 1 to about 12 carbon atoms, cycloalkyls having from 3 to about 14 carbon atoms, and aryls having from 6 to about 20 carbon atoms. Methods of the present invention include preparing the initiator, preparing functionalized polymers and, reducing the hysteresis of vulcanizable elastomeric compounds.
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