Anionic polymerization initiators and reduced hysteresis...

C - Chemistry – Metallurgy – 08 – F

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C08F 4/48 (2006.01) B60C 1/00 (2006.01) C08F 8/30 (2006.01) C08F 36/04 (2006.01) C08F 236/10 (2006.01) C08F 236/12 (2006.01) C08L 9/06 (2006.01)

Patent

CA 2108514

The present invention is directed toward anionic polymerization employing lithio amines mixed with an organic alkali metal compound and optionally, a chelating reagent. The lithio amines have the general formula (A)Li(SOL)y, where SOL is a solubilizing component, A is an alkyl, dialkyl, cycloalkyl or dicycloalkyl amine radical or a cyclic amine, and y is 0 or is from about 0.5 to about 3. The invention is also directed toward polymers and other products made using the initiator, and methods therefor. Further, the invention contemplates a polymer, a polymer composition and products therefrom, which include a functional group from the reaction product of an amine and an organolithium compound. The resulting polymers may be terminated with a terminating, coupling or linking agent, which may provide the polymer with a multifunctionality.

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