C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/32 (2006.01) C08F 4/48 (2006.01) C08F 36/04 (2006.01)
Patent
CA 2173571
A vulcanizable elastomeric compound and products such as pneumatic tires and the like, are formed from a functionalized polymer having a functionalgroup derived from an anionic polymerization initiator. The anionic polymerization initiator comprises the general formula Image where R1-R5 are the same or different and are selected from the group consistingof hydrogen; alkyls having from alkyls having from 1 to about 12 carbon atoms; aralkyls having from 7 to about 20 carbon atoms; dialkylaminos having from 2 to about 20 carbon atoms; and, dialkylaminoalkyls having from 3 to about 20 carbon atoms. At least one of R1-R5 is selected from the group consisting of thedialkylaminos and the dialkylaminoalkyls. Methods of the present invention include preparing functionalized polymers and reducing the hysteresis of vulcanizable elastomeric compounds.
Antkowiak Thomas A.
Komatsu Hideki
Lawson David F.
Schreffler John R.
Stayer Mark L. Jr.
Bridgestone Corporation
Swabey Ogilvy Renault
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