Coupled diene polymers modified with electrophilic groups

Details Coupled diene polymers modified with electrophilic groups Coupled diene polymers modified with electrophilic groups

C - Chemistry, Metallurgy

08

F

C08F 36/06 (2006.01) C08C 19/44 (2006.01) C08L 19/00 (2006.01) C08L 53/02 (2006.01)

Patent

CA 2396687

The coupled polymers according to the present invention based on conjugated dienes or on conjugated dienes and vinylaromatic compounds and that are modified with electrophilic groups, prepared by reacting living anionic polymers based on the aforementioned monomers with functional organic compounds containing at least three groups capable of reacting with the living polymers and at least one group in the molecule serving for the modification of the polymers, have very good processing properties as well as improved physical and dynamic properties, together with the advantage that the coupling agents used do not exhibit any toxic effect during the processing. The polymers according to the present invention are suitable for the production of all types of molded articles, in particular for the production of tires and tire structural parts, golf balls and technical rubber articles, as well as for the production of rubber-reinforced plastics such as ABS and HIPS plastics.

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