Diene polymer having functional groups and rubber...

Details Diene polymer having functional groups and rubber... Diene polymer having functional groups and rubber...

C - Chemistry, Metallurgy

08

F

C08F 8/46 (2006.01) C08C 19/28 (2006.01) C08C 19/36 (2006.01) C08F 8/30 (2006.01) C08L 7/00 (2006.01) C08L 9/00 (2006.01) C08L 21/00 (2006.01) C08L 47/00 (2006.01)

Patent

CA 2089924

Abstract A functional groups-containing diene polymer having a molecular weight of 1,100 to 110,000 is obtained by adding to a diene polymer functional groups A, B and c represented by formulas I, II and III, respectively, Image I Image or Image II wherein R1 and R2 each represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms; Image III wherein R1 and R2 each represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms. The diene polymer has a molecular weight of 1,000 to 50,000 and the molar ratio of functional group A/(functional groups B and C) is 40/60 to 0/100, with the total amount of functional groups A, B and C being 1 to 15 parts per 100 parts of diene monomer. Also included is a rubber composition comprising as essential components the functional groups-containing diene polymer and a diene-based rubber.

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