Abstract: The invention is directed to a pneumatic tire comprising a vulcanization rubber composition, the vulcanizable rubber composition comprising: from 30 to 90 phr of a first functionalized styrene-butadiene rubber having a glass transition temperature Tg1 ranging from ?70 to ?50° C.; from 10 to 50 phr of a second functionalized styrene-butadiene rubber having a glass transition temperature Tg2 ranging from ?110 to ?70° C.; wherein Tg2?Tg1 is at least 10° C.; from 0 to 40 phr of at least one additional elastomer; from 50 to 150 phr of silica; from 0 to 50 phr of a hydrocarbon resin; and from 10 to 50 phr of an oil.

Abstract: The present invention is directed a tire comprising two rubber components which are co-cured together. The first rubber component comprises from 70 phr to 100 phr of a hydrogenated styrene butadiene rubber, 0 phr to 15 phr of a polybutadiene, 5 phr to 20 phr of a polyoctenamer, and 40 phr to 160 phr of a first filler. The second rubber component comprises 90 phr to 100 phr of a diene-based elastomer; and 20 phr to 160 phr of a second filler. Moreover, the present invention is directed to a rubber composition comprising a hydrogenated styrene butadiene rubber, 5 phr to 20 phr of a polyoctenamer, and 40 phr to 160 phr of a reinforcing filler.

Abstract: The present invention is directed to a sulfur vulcanizable elastomer composition comprising 50 phr to 100 phr of at least one partially saturated elastomer comprising repeat units, wherein at most 15% of all repeat units of the partially saturated elastomer comprise a double bond. Furthermore, the elastomer composition comprises 0 phr to 50 phr of at least one diene based elastomer, and 40 phr to 200 phr of at least one filler, wherein said filler comprises predominantly silanized or pre-silanized silica. Moreover, the present invention is directed to a tire comprising such an elastomer composition.

Abstract: The present invention is directed to a sulfur vulcanizable rubber composition comprising 50 phr to 100 phr of at least one styrene butadiene rubber functionalized for the coupling to silica, 0 phr to 50 phr of a diene based elastomer, 40 phr to 200 phr of filler, wherein said filler predominantly comprises a pre-silanized silica. Furthermore, the rubber composition comprises at least 0.5 phr of a sulfur-containing compound having the structure with n being an integer from 1 to 15, and with R1, R2, R3, R4 being each independently an organic group comprising 1 to 20 carbon atoms. Moreover, the present invention is directed to a rubber component and/or a tire comprising such a rubber composition.

Abstract: The present invention is directed to a rubber composition comprising 10 phr to 100 phr of at least one partially saturated elastomer comprising repeat units, wherein at most 15% of all repeat units of the elastomer comprise a double bond; 0 phr to 90 phr of at least one diene based elastomer; 40 phr to 200 phr of at least one filler; and at least 5 phr of aluminum hydroxide.

Abstract: A pneumatic tire is formed from a tread rubber composition, which comprises a combination of at least two different solution polymerized styrene-butadiene rubbers (s-SBRs), each extended with oil, and a low Tg traction resin. The low Tg traction resin replaces high Tg traction and the rubber processing oil added during rubber compounding in conventional compounds. The low Tg traction resin is a hydrocarbon resin having a Tg between 100° C. to about 30° C.

Abstract: The present invention is directed to a sulfur vulcanizable rubber formulation comprising 10 phr to 100 phr of at least one partially saturated elastomer comprising repeat units, wherein at most 10% of all repeat units of the elastomer comprise a double bond; 0 phr to 90 phr of at least one diene based elastomer; 40 phr to 200 phr of at least one filler; and 5 phr to 70 phr of at least one hydrogenated plasticizer. This sulfur vulcanizable rubber formulation has been found to be useful in manufacturing tires.

Abstract: The present invention is directed to a rubber composition comprising at least one solution polymerized styrene-butadiene rubber, optionally at least one polybutadiene rubber, 55 phr to 200 phr of a filler, at least 15 phr of oil, wherein the filler to oil ratio by weight is between 3.5:1 and 8.0:1, and wherein the weight average molecular weight (Mw) of the at least one solution polymerized styrene-butadiene rubber is within a range of 400,000 to 1,000,000 g/mol. Moreover, the present invention is directed to a tire comprising such a rubber composition.

Abstract: The present invention is directed to a rubber composition comprising 80 phr to 100 phr of at least one solution polymerized styrene-butadiene rubber, 0 phr to 20 phr of at least one polybutadiene, 55 phr to 200 phr of a filler, at least 15 phr of oil, wherein the filler to oil ratio by weight is between 3.5:1 and 8.0:1, and wherein the weight average molecular weight (Mw) of the at least one solution polymerized styrene-butadiene rubber is within a range of 400,000 to 1,000,000 g/mol. Moreover, the present invention is directed to 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 40 to about 90 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?40° C. to 0° C.; (B) from about 60 to about 10 phr of polybutadiene; and (C) from 5 to 50 phr of a hydrocarbon resin having a Tg ranging from ?40° C. to 20° C.; (D) optionally, a rubber process oil (E) optionally, a hydrocarbon resin having a Tg ranging above 20° C. wherein the total amount of hydrocarbon resins and oils is less than 65 phr, and the weight ratio of silica to the total of hydrocarbon resins and oils is greater than 2. (F) from 70 to 130 phr of silica.

Abstract: The invention is directed to a pneumatic tire comprising a vulcanization rubber composition, the vulcanizable rubber composition comprising: from 30 to 90 phr of a first functionalized styrene-butadiene rubber having a glass transition temperature Tg1 ranging from ?70 to ?50° C.; from 10 to 50 phr of a second functionalized styrene-butadiene rubber having a glass transition temperature Tg2 ranging from ?110 to ?70° C.; wherein Tg2?Tg1 is at least 10° C.; from 0 to 40 phr of at least one additional elastomer; from 50 to 150 phr of silica; from 0 to 50 phr of a hydrocarbon resin; and from 10 to 50 phr of an oil.

Abstract: The present invention is directed a tire comprising two rubber components which are co-cured together. The first rubber component comprises from 70 phr to 100 phr of a hydrogenated styrene butadiene rubber, 0 phr to 15 phr of a polybutadiene, 5 phr to 20 phr of a polyoctenamer, and 40 phr to 160 phr of a first filler. The second rubber component comprises 90 phr to 100 phr of a diene-based elastomer; and 20 phr to 160 phr of a second filler. Moreover, the present invention is directed to a rubber composition comprising a hydrogenated styrene butadiene rubber, 5 phr to 20 phr of a polyoctenamer, and 40 phr to 160 phr of a reinforcing filler.

Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising from 30 to 80 phr of a styrene-butadiene rubber having a Tg ranging from ?70 C to ?40 C, from 10 to 50 phr of a high vinyl polybutadiene having a Tg ranging from ?40 C to ?5 C and has an isomeric vinyl 1,2 content in a range of from 50 to 90 percent by weight, and from 10 to 30 phr of a natural rubber or synthetic polyisoprene, silica, a blocked mercaptosilane, a traction resin, and liquid plasticizer selected from the group consisting of a low molecular weight polybutadiene functionalized with a hydroxyl functional group and sunflower oil.

Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising from 30 to 80 phr of a styrene-butadiene rubber having a Tg ranging from ?70 C to ?40 C, from 10 to 50 phr of a high vinyl polybutadiene having a Tg ranging from ?40 C to ?5 C and has an isomeric vinyl 1,2 content in a range of from 50 to 90 percent by weight, and from 10 to 30 phr of a natural rubber or synthetic polyisoprene, silica, a blocked mercaptosilane, a traction resin, and liquid plasticizer selected from the group consisting of a low molecular weight polybutadiene functionalized with a hydroxyl functional group and sunflower oil.

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 40 to about 90 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?40° C. to 0° C.; (B) from about 60 to about 10 phr of polybutadiene; and (C) from 5 to 50 phr of a hydrocarbon resin having a Tg ranging from ?40° C. to 20° C.; (D) optionally, a rubber process oil (E) optionally, a hydrocarbon resin having a Tg ranging above 20° C. wherein the total amount of hydrocarbon resins and oils is less than 65 phr, and the weight ratio of silica to the total of hydrocarbon resins and oils is greater than 2.

Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a rubber composition comprising from 20 to 90 parts by weight per 100 parts by weight of rubber (phr) of solution polymerized styrene-butadiene rubber, from 10 to 80 phr of polybutadiene rubber, wherein from 0 to 20 weight percent of the polybutadiene rubber is a syndiotactic polybutadiene rubber comprising at least 70 percent of monomeric units in syndiotactic 1,2 configuration and the balance of the polybutadiene rubber comprises at least 90 percent of monomeric units in cis-1,4 configuration; and from 50 to 150 phr of pre-hydrophobated precipitated silica wherein the pre-hydrophobated precipitated silica is hydrophobated prior to its addition to the rubber composition by treatment with at least one silane selected from the group consisting of alkylsilanes, alkoxysilanes, organoalkoxysilyl polysulfides and organomercaptoalkoxysilanes.