Polymers, elastomeric compounds and products thereof derived...

C - Chemistry – Metallurgy – 08 – F

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C08F 8/30 (2006.01) C08F 2/38 (2006.01) C08F 4/46 (2006.01) C08F 4/48 (2006.01) C08F 36/04 (2006.01) C08L 19/00 (2006.01) C08L 47/00 (2006.01)

Patent

CA 2224306

A functionalized polymer comprising a polymeric segment, having at least one cyclic amine end group, defined according to formula (I) (see fig. 1) where Z is an anionically-polymerized polymer; R1 is selected from the group consisting of organic groups containing from 1 to about 12 carbon atoms and a bridging bond; each R2 is independently selected from the group consisting of hydrogen, organic groups containing from 1 to about 12 carbon atoms, and a bridging bond; each R3 is independently selected from the group consisting of hydrogen and organic groups containing from 1 to about 12 carbon atoms; a is an integer from 4 to about 16; and b is an integer from 0 to about 12; and optionally including a bridge, formed by the selection of two of said bridging bonds, the bridge having 0 to about 6 carbon atoms between the bridging ring members; said polymer having been crosslinked. Also provided are vulcanizable compositions of matter, vulcanizates, and tires of the functionalized polymers.

Polymère à groupe fonctionnel comprenant un segment polymérique ayant au moins un groupe terminal amine cyclique, conforme à la formule I) (voir la fig. 1), où Z est un polymer à polymérisation anionique; R1 est choisi parmi un groupe constitué de groupements organiques contenant de 1 à environ 12 atomes de carbone et un lien formant un pont; chacun des groupes R2 est choisi de façon indépendante parmi un groupe constitué de l'hydrogène, de groupements organiques contenant de 1 à environ 12 atomes de carbone et un lien formant un pont; chacun des groupe R3 est choisi de façon indépendante parmi un groupe constitué de l'hydrogène et de groupements organiques contenant de 1 à environ 12 atomes de carbone, a est un entier de 4 à environ 16 et b est un entier de 0 à environ 12, qui peut comporter un pont formé par la sélection de deux desdits liens de pontage, ce pont ayant de 0 à environ 6 atomes de carbone entre les éléments de l'anneau de pontage, dans un polymère réticulé. L'invention porte aussi sur des compositions vulcanisables, des vulcanisats et des pneumatiques fabriqués à partir de ces polymères à fonctions.

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