Abstract: The present invention is directed to a rubber composition comprising 100 phr of at least one diene-based rubber, 30 phr to 250 phr of at least one filler, and 1 phr to 40 phr of an epoxidized and aminated fatty acid ester, wherein the epoxidized and aminated fatty acid ester is obtained from the reaction of an epoxidized fatty acid ester with an aliphatic amine. Furthermore, the present invention is directed to a rubber product, such as a tire, comprising such a rubber composition.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 45 to about 100 phr of a low-cis polybutadiene having a vinyl-1,2 content ranging from 5 to 30 percent and a Tg ranging from ?95° C. to ?70° C.; (B) from about 0 to about 40 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (C) from 0 to 30 phr of natural rubber or synthetic polyisoprene; (D) from 0 to 20 phr of a process oil; (E) from 55 to 80 phr of a resin having an aromatic hydrogen content ranging from 3 to 30 mole percent, the resin having a Tg greater than 30° C.; and (F) from 110 to 160 phr of silica.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 20 to about 100 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from 0 to about 40 phr of a natural rubber or synthetic polyisoprene; (C) from 0 to about 30 phr of cis-1,4 polybutadiene having a Tg of from ?110° C. to ?90° C.; (D) from 0 to 50 phr of a process oil; (E) from 20 to 80 phr of a hydrocarbon resin having a Tg of at least 30° C.; and (F) from 90 to 150 phr of silica.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 45 to about 100 phr of a low-cis polybutadiene having a vinyl-1,2 content ranging from 5 to 30 percent and a Tg ranging from ?95° C. to ?70° C.; (B) from about 0 to about 40 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (C) from 0 to 30 phr of natural rubber or synthetic polyisoprene; (D) from 0 to 20 phr of a process oil; (E) from 55 to 80 phr of a resin having an aromatic hydrogen content ranging from 3 to 30 mole percent, the resin having a Tg greater than 30° C.; and (F) from 110 to 160 phr of silica.

Abstract: The present invention is directed to a rubber composition comprising 100 phr of at least one diene-based rubber, 30 phr to 250 phr of at least one filler, and 1 phr to 40 phr of an epoxidized and aminated fatty acid ester, wherein the epoxidized and aminated fatty acid ester is obtained from the reaction of an epoxidized fatty acid ester with an aliphatic amine. Furthermore, the present invention is directed to a rubber product, such as a tire, comprising such a rubber composition.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr): (A) from about 20 to about 100 phr of a solution polymerized functionalized isoprene-butadiene rubber having a glass transition temperature (Tg) ranging from ?100° C. to ?50° C., (B) from 0 to about 40 phr of a polybutadiene, (C) from 0 to 20 phr of a process oil, (D) from 40 to 80 phr of a resin having a Tg greater than 30° C., and (E) from 100 to 180 phr of silica.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 20 to about 100 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from 0 to about 40 phr of a natural rubber or synthetic polyisoprene; (C) from 0 to about 30 phr of cis-1,4 polybutadiene having a Tg of from ?110° C. to ?90° C.; (D) from 0 to 50 phr of a process oil; (E) from 20 to 80 phr of a hydrocarbon resin having a Tg of at least 30° C.; and (F) from 90 to 150 phr of silica.

Abstract: The present invention is directed to a method making a pneumatic tire, comprising the steps of: mixing a sealant composition comprising an elastomer, a filler, a diluent, a quinoid curing agent, an oxidant co-curative; and a cure modifier of formula 1: wherein R1 and R2 are independently H or C1 to C4 alkyl, or R1 and R2 taken together form a substituted or unsubstituted phenylene group; R3 and R4 are independently H, —NH2, C1 to C4 alkyl, or —OR5 where R5 is C1 to C4 alkyl, with the proviso that when R1 and R2 are taken together to form a substituted or unsubstituted phenylene group, R5 is C1 to C3 alkyl; applying the sealant composition to an inner surface of a cured tire; and curing the sealant composition.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 30 to about 50 phr of a first solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?80° C. to ?50° C. and functionalized with an alkoxysilane group and at least one functional group selected from the group consisting of primary amines and thiols; (B) from about 30 to about 50 phr of a second solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?40° C. to ?10° C. and functionalized with an alkoxysilane group and at least one functional group selected from the group consisting of primary amines and thiols; (C) from 0 to about 40 phr of a polyisoprene having a cis 1,4 content greater than 95 percent; (D) from 20 to 60 phr of a hydrocarbon resin having a Tg of at least 30° C.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 30 to about 50 phr of a first solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?80° C. to ?50° C. and functionalized with an alkoxysilane group and at least one functional group selected from the group consisting of primary amines and thiols; (B) from about 30 to about 50 phr of a second solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?40° C. to ?10° C. and functionalized with an alkoxysilane group and at least one functional group selected from the group consisting of primary amines and thiols; (C) from 0 to about 40 phr of a polyisoprene having a cis 1,4 content greater than 95 percent; (D) from 20 to 60 phr of a hydrocarbon resin having a Tg of at least 30° C.

Abstract: The present invention is directed to a method making a pneumatic tire, comprising the steps of: mixing a sealant composition comprising an elastomer, a filler, a diluent, a quinoid curing agent, an oxidant co-curative; and a cure modifier of formula 1: wherein R1 and R2 are independently H or C1 to C4 alkyl, or R1 and R2 taken together form a substituted or unsubstituted phenylene group; R3 and R4 are independently H, —NH2, C1 to C4 alkyl, or —OR5 where R5 is C1 to C4 alkyl, with the proviso that when R1 and R2 are taken together to form a substituted or unsubstituted phenylene group, R1 is C1 to C3 alkyl; applying the sealant composition to an inner surface of a cured tire; and curing the sealant composition.