Abstract: The present invention is directed to a rubber composition comprising 30 to 80 phr of a first styrene butadiene rubber having a glass transition temperature lower than ?50° C.; 10 to 40 phr of a second styrene butadiene rubber having a glass transition temperature higher than ?45° C.; and 10 to 30 phr of a further rubber selected from the list of synthetic polyisoprene, natural rubber and polybutadiene. Furthermore, the rubber composition comprises 80 phr to 140 phr of silica and 40 phr to 90 phr of a hydrocarbon resin having a glass transition temperature of at least 30° C. and being selected from the group of C5 resins and C5/C9 resins. The present invention is also directed to a tire comprising such a rubber composition.

Abstract: The present disclosure relates to a rubber composition comprising at least rubber, and reinforcement materials, the reinforcement materials comprising silica particles and Kraft lignin nanoparticles, wherein the phr ratio between the silica particles and Kraft lignin nanoparticles is ranging between 3 and 20; wherein the Kraft lignin nanoparticles have an average diameter size ranging between 10 and 100 nm as determined by scanning electron microscopy; and wherein the Kraft lignin nanoparticles have a glass transition temperature of at least 150° C. as determined by Differential Scanning Calorimetry.

Abstract: The present disclosure relates to a rubber composition comprising at least rubber, and reinforcement materials, the reinforcement materials comprising silica particles and Kraft lignin nanoparticles, wherein the phr ratio between the silica particles and Kraft lignin nanoparticles is ranging between 3 and 20; wherein the Kraft lignin nanoparticles have an average diameter size ranging between 10 and 100 nm as determined by scanning electron microscopy; and wherein the Kraft lignin nanoparticles have a glass transition temperature of at least 150° C. as determined by Differential Scanning Calorimetry.

Abstract: In a first aspect, the present invention is directed to a rubber composition comprising 70 phr to 90 phr of styrene butadiene rubber, wherein said styrene butadiene rubber comprises a first styrene butadiene rubber having a glass transition temperature within a range of ?49° C. to ?15° C. and a second styrene butadiene rubber having a glass transition temperature within a range of ?50° C. to ?89° C. Furthermore, the rubber composition comprises from 10 phr to 30 phr of one or more of natural rubber and synthetic polyisoprene rubber, 100 phr to 200 phr of silica, and at least 25 phr of at least one terpene resin having a weight average molecular weight (Mw) of at most 1000 g/mol. Moreover, the invention is directed to a tire comprising such a rubber composition, in particular in the tread of the tire.

Abstract: In a first aspect, the present invention is directed to a rubber composition comprising 70 phr to 95 phr of styrene butadiene rubber comprising at least 5 phr of a first styrene butadiene rubber having a glass transition temperature within a range of ?49° C. to ?15° C. and at least 45 phr of a second styrene butadiene rubber having a glass transition temperature within a range of ?50° C. to ?89° C., wherein the rubber composition comprises more of the second styrene butadiene rubber than of the first styrene butadiene rubber. Moreover, the rubber composition comprises 5 phr to 30 phr of one or more of natural rubber and synthetic polyisoprene; 135 phr to 200 phr of silica; and at least 55 phr of at least one hydrocarbon resin comprising at least one terpene resin having a glass transition temperature of at least 30° C.

Abstract: In a first aspect, the present invention is directed to a rubber composition comprising 70 phr to 90 phr of styrene butadiene rubber, wherein said styrene butadiene rubber comprises a first styrene butadiene rubber having a glass transition temperature within a range of ?49° C. to ?15° C. and a second styrene butadiene rubber having a glass transition temperature within a range of ?50° C. to ?89° C. Furthermore, the rubber composition comprises from 10 phr to 30 phr of one or more of natural rubber and synthetic polyisoprene rubber, 100 phr to 200 phr of silica, and at least 25 phr of at least one terpene resin having a weight average molecular weight (Mw) of at most 1000 g/mol. Moreover, the invention is directed to a tire comprising such a rubber composition, in particular in the tread of the tire.

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) 100 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from 1 to 30 phr of a process oil; (C) from 20 to 80 phr of a hydrocarbon resin having a Tg of at least 30° C.; and (D) 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 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 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) 100 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from 1 to 30 phr of a process oil; (C) from 20 to 80 phr of a hydrocarbon resin having a Tg of at least 30° C.; and (D) 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 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 invention is directed to a pneumatic tire comprising a vulcanizable rubber composition, the vulcanizable rubber composition comprising: from 75 to 85 phr of a styrene-butadiene rubber having a bound styrene content of from 30 to 50 percent by weight, a vinyl 1,2 content of from 10 to 30 percent by weight based on the rubber weight, and a Tg ranging from ?40 C to ?20 C; from 0 to 25 phr of natural rubber or synthetic polyisoprene; from 0 to 20 phr of cis-1,4 polybutadiene having a Tg of from ?110° C. to ?90° C.; from 100 to 150 phr of silica; from 20 to 40 phr of a combination resin comprising a polyterpene resin, an alkylphenol formaldehyde resin, and a rosin acid; from 30 to 60 phr of oil; and from 5 to 25 phr of a sulfur containing organosilicon compound.

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 pneumatic tire having a tread comprising a tread base layer and an outer cap layer disposed radially outward of the base layer, the outer cap layer comprising an axially central zone and two lateral zones each disposed axially adjacent to the central zone; the central zone comprising a central zone composition and lateral zones each comprising a lateral zone composition; the central zone composition and the lateral zone composition each comprising, based on 100 parts by weight of elastomer (phr), from about 50 to about 90 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?65° C. to ?55° C. and functionalized with an alkoxysilane group and at least one functional group selected from the group consisting of primary amines and thiols; from about 50 to about 10 phr of polybutadiene having a cis 1,4 content greater than 95 percent and a Tg ranging from ?80 to ?110° C.

Abstract: This invention relates to a tire with tread for promoting a combination of wet traction and service at low temperatures of a rubber composition containing a styrene/butadiene elastomer, cis 1,4-polybutadiene rubber, liquid high Tg styrene/butadiene polymer, resin and vegetable triglyceride oil.

Abstract: This invention relates to a tire with a tread of a rubber composition that promotes a combination of winter traction at low temperatures and for promoting wet traction. The tread rubber composition contains a combination of low surface area silica and high softening point traction resin. Elastomers for the tread rubber composition are comprised of high cis 1,4-polybutadiene rubber and styrene/butadiene rubber.

Abstract: This invention relates to a tire with tread for promoting a combination of winter service at low temperatures and for promoting wet traction. The tread is of a rubber composition containing low Tg styrene/butadiene elastomer and cis 1,4-polybutadiene rubber, along with high Tg liquid styrene/butadiene polymer, traction resin and vegetable triglyceride oil.

Abstract: This invention relates to a tire with tread for promoting a combination of wet traction and service at low temperatures of a rubber composition containing a styrene/butadiene elastomer, cis 1,4-polybutadiene rubber, liquid high Tg styrene/butadiene polymer, resin and vegetable triglyceride oil.

Abstract: This invention relates to a tire with tread for promoting a combination of wet traction and service at low temperatures of a rubber composition containing a styrene/butadiene elastomer, cis 1,4-polybutadiene rubber, liquid high Tg styrene/butadiene polymer, resin and vegetable triglyceride oil.

Abstract: This invention relates to a tire with tread for promoting a combination of winter service at low temperatures and for promoting wet traction. The tread is of a rubber composition containing low Tg styrene/butadiene elastomer and cis 1,4-polybutadiene rubber, along with high Tg liquid styrene/butadiene polymer, traction resin and vegetable triglyceride oil.