Abstract: The present invention is directed to a pneumatic tire comprising a carcass and an innerliner in direct contact with the carcass, the innerliner comprising a rubber composition comprising: 100 parts by weight of at least one elastomer; from 10 to 80 parts by weight, per 100 parts by weight of elastomer (phr) of carbon black; and from 10 to 70 phr of a low structure microsilica having a median particle less than 500 nm, a specific area ranging from 15 to 25 m2/g, and a specific gravity of 2.1 to 2.3 g/cm3.

Abstract: The present invention is directed to a pneumatic tire comprising a ground contacting tread, the ground contacting tread comprising a rubber composition, the rubber composition comprising a diene based elastomer, from 60 to 120 parts by weight, per 100 parts by weight of elastomer (phr) of silica, from 1 to 10 phr of a sulfur-containing organosilicon compound, and from 1 to 5 phr of a self condensing resin derived from monomers of formula I wherein R1 is an alkyl group having 1 to 12 carbon atoms, and each of R2 to R6 is independently selected from the group consisting of hydrogen, —CH2OH, and —CH2OR1 wherein R1 is as previously described; provided that at least one of R2 to R6 is hydrogen, and at least one of R2 to R6 is —CH2OH.

Abstract: A tire with a rubber containing component compound of a copolymer rubber having pendant hydroxyl groups; and a non-sulfur containing silane.

Abstract: A pneumatic tire comprising at least one component, the at least one component comprising a rubber composition comprising the rubber composition comprising a diene based elastomer, from 1 to 30 parts by weight per 100 parts by weight of diene based elastomer (phr) of cellulose fiber, and from 1 to 20 phr of a substituted polyisoprene comprising units of formula I, wherein —R comprises hydrogen and a substituent group of structure II wherein the number of substituent groups of structure II occurring per substituted polyisoprene molecule ranges from 1 to 5, and the weight average molecular weight of the substituted polyisoprene ranges from 20000 to 30000.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition comprising a diene based elastomer, from 1 to 30 parts by weight per 100 parts by weight of diene based elastomer (phr) of cellulose fiber, and from 1 to 20 phr of a substituted polyisoprene comprising units of formula I, wherein —R comprises hydrogen and one substituent group of structure II wherein the number of substituent groups of structure II occurring per substituted polyisoprene molecule ranges from 8 to 12, and the weight average molecular weight of the substituted polyisoprene ranges from 20000 to 30000.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a rubber composition contacting one or more reinforcing polyester cords, the polyester cords comprising an RFL adhesive disposed on the surface of the polyester cords, the RFL adhesive comprising from 1 to 20 weight percent of a presilanized silica.

Abstract: A tire with a rubber containing component compound of a copolymer rubber having pendant hydroxyl groups; and a non-sulfur containing silane.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least component comprising a rubber composition, the rubber composition comprising a diene based elastomer and an oxirane resin of formula I wherein R is a hydrocarbyl group and n1 through nl each represent 0 or an integer of from 1 to 100 and the sum of the integers represented by n1 through nl is from 1 to 100.

Abstract: The invention is directed to a process for the production of a pneumatic tire comprising a component comprising a rubber composition, wherein the rubber composition comprises 100 parts by weight of elastomer and is produced by (A) mixing a first composition comprising 30 to 110 phr of a silica filler and 20 to 90 phr of a diene based elastomer selected from cis 1,4-polyisoprene rubber (natural or synthetic), 3,4-polyisoprene rubber, styrene/isoprene/butadiene rubber, emulsion and solution polymerization derived styrene/butadiene rubbers, and cis 1,4-polybutadiene rubbers, to form a first nonproductive compound; (B) mixing a second composition comprising from 10 to 80 phr of a rubber containing a nitrile moiety and the first productive compound to form a second nonproductive compound; and (C) mixing a third composition comprising curatives and the second nonproductive compound to form a productive compound.

Abstract: A tire with a rubber containing component compound of a copolymer rubber having pendant hydroxyl groups; and a non-sulfur containing silane.

Abstract: A pneumatic tire having a rubber sidewall including (A) 30 to 80 phr of natural rubber; (B) 20 to 70 phr of cis 1,4-polybutadiene rubber; (C) from 10 to 100 phr of silica; and (D) from 1 to 30 phr of a particulate rubber gel filler selected from the group consisting of polybutadiene gel, styrene butadiene gel, acrylonitrile-butadiene gel, chloroprene gel, natural rubber gel, and mixtures thereof.

Abstract: The present invention is directed to a pneumatic tire comprising at least one component, the at least component comprising a rubber composition, the rubber composition comprising a diene based elastomer and an oxirane resin of formula I wherein R is a hydrocarbyl group and n1 through nl each represent 0 or an integer of from 1 to 100 and the sum of the integers represented by n1 through nl is from 1 to 100.

Abstract: The present invention is directed to a pneumatic tire having the apex around the carcass ply turnup comprised of (A) a copolymer rubber comprised of repeat units derived from (1) 10 to 99 weight percent of a conjugated diene monomer which contains from 4 to 8 carbon atoms; (2) 0 to 70 weight percent of a vinyl substituted aromatic monomer; and (3) 1 to 20 weight percent of at least one co-monomer selected from the group consisting of the following general formulas I, II, and III: wherein R represents a hydrogen atom or an alkyl group containing from 1 to 8 carbon atoms; wherein R1 represents a saturated alcohol group containing from 1 to 8 carbon atoms; and (B) from 2.1 to 35 phr of the reaction product of (1) from 2 to 25 phr of a methylene acceptor; and (2) from 0.

Abstract: This invention relates to a tire having at least one component of a silica reinforced rubber composition comprised of an emulsion polymerization derived terpolymer rubber which contain pendant hydroxyl groups, particularly derived from diene hydrocarbon and vinyl aromatic compound monomers, particularly a hydroxyalkyl methacrylate. Preferably the hydroxyalkyl methacrylate is a hydroxypropyl methacrylate (HPMA). Preferably at least one additional elastomer is blended with the terpolymer rubber. The rubber composition is prepared by blending a coupling agent therewith subsequent to the addition said silica reinforcement. Said tire component may be, for example, a tire tread.

Abstract: The present invention relates to silica filled multi-viscoelastic response rubber which is thermomechanically mixed with an organosilicon compound during the non-productive mix stage and zinc oxide is added during the productive stage of mixing.

Abstract: There is disclosed a pneumatic tire having a component comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), from about 40 to about 90 phr of a solution polymerized styrene-butadiene having a styrene content of greater than 38 percent by weight; from about 10 to about 60 phr of at least one additional elastomer; and from about 10 to about 70 phr of a process oil having a glass transition temperature of from about ?80° C. to about ?40° C. and a polycyclic aromatic content of less than 3 percent by weight as determined by the IP346 method.

Abstract: The invention relates to a tire having at least one component (e.g. tread) of a rubber composition comprised of a composite of styrene/butadiene elastomer and functionalized styrene/butadiene elastomer containing an internal silanol and/or siloxy group therein with pendent silanol and/or alkoxy groups of a polymodal (e.g. bimodal) molecular weight distribution and a dispersion therein of silica aggregates of which a portion thereof contain a plurality of hydroxyl groups on their surface in a form of geminal hydroxyl groups. In one aspect, said silica aggregates may be pre-treated to reduce said hydroxyl groups on their surface prior to blending with said silanol and/or siloxy functionalized elastomer.

Abstract: The invention is directed to a pneumatic tire having a component comprising a vulcanizable rubber composition comprising, based on 100 parts by weight of elastomer (phr), (A) from about 35 to about 65 phr of a solution polymerized styrene-butadiene rubber with a styrene content of from about 38 to about 50 percent by weight and a Tg of from about ?22° C. to about ?10° C.; (B) from about 10 to about 35 phr of an emulsion or solution polymerized styrene-butadiene rubber with a styrene content of from about 20 to about 40 percent by weight and a Tg of from about ?55° C. to about ?28° C.; (C) from about 10 to about 35 phr of polybutadiene; and (D) from about 10 to about 100 phr of silica.

Abstract: There is disclosed a pneumatic tire having a rubberized component comprising: (A) a copolymer rubber that contains amino groups bound to the rubber and at least 40 percent of the terminal ends of the copolymer are modified or coupled with a tin compound; and (B) 10 to 150 phr of an inversion carbon black.

Abstract: The invention relates to a tire having at least one component (e.g. tread) of a rubber composition comprised of a styrene/butadiene elastomer composite comprised of a styrene/butadiene elastomer and a functionalized styrene/butadiene elastomer containing an internal silicon atom therein as a part of the elastomer, and at least one pendent silanol group and/or siloxy group from said silicon atom. Said elastomer composite is comprised of a significant polymodal (e.g. bimodal) molecular weight distribution between said styrene/butadiene elastomer and said functionalized styrene/butadiene elastomer. Said rubber composition contains synthetic, precipitated silica aggregates having hydroxyl groups on their surface which may be pre-treated (hydrophobated) to reduce hydroxyl groups contained on their surface prior to blending with said styrene/butadiene composite. Said rubber composition may contain a dispersion therein of a silica/plasticizer composite.