Method for modifying rubbers

Details Method for modifying rubbers Method for modifying rubbers

C - Chemistry, Metallurgy

08

F

6/144, 400/2045,

C08F 8/00 (2006.01) C08C 19/00 (2006.01)

Patent

CA 1217598

A B S T R A C T A method for modifying a rubber having a un- saturated carbon bond which comprises reacting the rubber with an organic compound represented by the general formula Image wherein -R represents a hydrocarbon group, and -X is -H, -CN or -?-Y in which -Y represents an organic atomic grouping, in the presence of a Lewis acid to introduce an ester group. Optionally, the ester group introduced is converted into a carboxyl group by chemically treating the reaction product.

430823

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