Process of producing functionalized elastomeric polymers

Details Process of producing functionalized elastomeric polymers Process of producing functionalized elastomeric polymers

C - Chemistry, Metallurgy

08

J

400/2031

C08J 7/14 (2006.01) C08F 8/00 (2006.01) C08F 8/30 (2006.01)

Patent

CA 2039252

T 4533 A B S T R A C T PROCESS OF PRODUCING FUNCTIONALIZED ELASTOMERIC POLYMERS Selectively hydrogenated block polymers of an alkenyl aromatic compound and a conjugated alkadiene are functionalized by the presence of a plurality of carbamoyl substituents on aromatic rings in the aromatic portion of the polymer. Such carbamoyl- functionalized derivatives are produced by reaction of corresponding carboxylic acid-functionalized polymers by reaction with ammonia followed by application of heat. The carbamoyl-substituted polymers exhibit improved properties and form blends with engineering thermoplastics. D08/T4533FF

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