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 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) 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 60 to about 40 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from about 40 to about 60 phr of natural rubber; and (C) from about 5 to 40 phr of a process oil; (D) optionally, from about 5 to 15 phr of a hydrocarbon traction resin (E) from 60 to 90 phr of silica; wherein the weight ratio of silica to the sum of the amounts of oil and traction resin is greater than 2.2.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a radially outer cap layer and radially inner cap layer underlying the outer cap layer; the outer cap layer comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 80 to about 20 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from about 20 to about 80 phr of natural rubber; and (C) from 30 to 70 phr of a process oil; (D) from 70 to 150 phr of silica; wherein the weight ratio of silica to oil in the outer cap is less than 2.2; the inner cap layer comprising a vulcanizable rubber composition comprising: (i) from about 60 to about 40 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° 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 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; (B) 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.; (C) from 30 to 80 phr of a combination of a resin having a Tg of at least 30° C. and an oil, wherein the weight ratio of resin to oil is greater than 1.

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 60 to about 40 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from about 40 to about 60 phr of natural rubber; and (C) from about 5 to 40 phr of a process oil; (D) optionally, from about 5 to 15 phr of a hydrocarbon traction resin (E) from 60 to 90 phr of silica; wherein the weight ratio of silica to the sum of the amounts of oil and traction resin is greater than 2.2.

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 80 to about 20 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from about 20 to about 80 phr of natural rubber; and (C) from 30 to 70 phr of a process oil; (D) from 70 to 150 phr of silica; wherein the weight ratio of silica to oil is less than 2.2.

Abstract: The present invention is directed to a pneumatic tire having a tread comprising a radially outer cap layer and radially inner cap layer underlying the outer cap layer; the outer cap layer comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 80 to about 20 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° C.; (B) from about 20 to about 80 phr of natural rubber; and (C) from 30 to 70 phr of a process oil; (D) from 70 to 150 phr of silica; wherein the weight ratio of silica to oil in the outer cap is less than 2.2; the inner cap layer comprising a vulcanizable rubber composition comprising: (i) from about 60 to about 40 phr of a solution polymerized styrene-butadiene rubber having a glass transition temperature (Tg) ranging from ?85° C. to ?50° 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: 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 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; (B) 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.; (C) from 30 to 80 phr of a combination of a resin having a Tg of at least 30° C. and an oil, wherein the weight ratio of resin to oil is greater than 1.

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: 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 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; (B) 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.; (C) from 30 to 80 phr of a combination of a resin having a Tg of at least 30° C. and an oil, wherein the weight ratio of resin to oil is greater than 1.

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: 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 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.; (B) 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.; and (C) from 30 to 80 phr of a combination of an oil and a terpene phenol resin having a Tg greater than 100° C.

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: The present invention is directed to a rubber composition comprising: a functionalized elastomer comprising: a polymeric backbone chain derived from a monomer comprising at least one conjugated diene monomer and optionally at least one vinyl aromatic monomer; and a functional group bonded to the backbone chain, the functional group comprising a multidentate ligand capable of complexing with a metal ion; and a metal ion. The invention is further directed to a pneumatic tire comprising the rubber composition.