Abstract: The invention relates to footwear with a rubber sole and to such rubber sole where the sole is provided with a rubber composition which contains dual precipitated silica moieties. The dual precipitated silica moieties are provided in a sense of being comprised of hydrophilic precipitated silica and hydrophobic precipitated silica.

Abstract: The invention relates to a footwear with a rubber sole where such sole is comprised of a rubber composition which contains zinc rosinate. The zinc rosin is provided to include zinc rosinate as a product formed in situ within the rubber composition of zinc oxide and freely added rosin acid. The footwear rubber sole is intended for ground engagement. In one embodiment, the rubber composition for the rubber sole further contains triglyceride vegetable oil. In one embodiment, the rubber composition for the rubber sole additionally contains a traction promoting resin.

Abstract: This invention relates to a tire with a tread of a rubber composition containing a combination of high and low glass transition temperature (Tg) synthetic elastomers. The high Tg elastomer is comprised of a high Tg, high vinyl content, functionalized polybutadiene rubber and the low Tg elastomer is comprised of a low Tg, low vinyl content, functionalized polybutadiene rubber. The tread rubber may contain traction resins, may contain rosin acid and may contain triglyceride vegetable rubber processing oil.

Abstract: A tire tread may be formed by simultaneously extruding a tread cap formed of a first material and a tread base formed of a second material having a substantially different stiffness property than the first material. One tread element may have a strip of the second material extending from the tread base into the tread cap and, a second tread element may also have a strip of the second material extending from the tread base into the tread cap.

Abstract: The present invention is directed to a vulcanizable rubber composition comprising (A) 100 parts by weight of elastomer consisting of 70 to 100 parts by weight, er 100 parts by weight of the elastomer (phr), of an isoprene-butadiene rubber having a Tg ranging from ?100° C. to ?50° C., and 0 to 30 phr of a second elastomer selected from the group consisting of isoprene-butadiene rubber having a Tg ranging from ?49 to ?20° C., natural rubber, synthetic polyisoprene, and polybutadiene, (B) from 30 to 80 phr of a resin having a Tg of at least 20 C, (C) from 0 to 4 phr of an oil, and (D) from 80 to 180 of a filler selected from the group consisting of carbon black and silica.

Abstract: This invention relates to a tire with a tread of rubber composition with reinforcing filler containing oxidized rubber reinforcing carbon black together with tris (2-ethyl hexyl) phosphate. In one embodiment, the invention relates to a truck tire intended for heavy duty performance with a tread rubber composition comprised of natural cis 1,4-polyisoprene rubber containing reinforcing filler comprised of oxidized rubber reinforcing carbon black together with tris (2-ethyl hexyl) phosphate.

Abstract: This invention relates to vegetable oil extended rubber containing soy oil and tire with a component of such oil extended rubber.

Abstract: This invention relates to a tire with a tread of a rubber composition for promoting a combination of beneficial wet traction and reduced rolling resistance, while limiting any loss of winter traction at low temperatures. The tread rubber composition contains a combination of high and lower glass transition temperature (Tg) elastomers. Its reinforcing filler is primarily precipitated silica. The high Tg elastomer is comprised of synthetic high vinyl polybutadiene rubber and the lower Tg elastomer is comprised of at least one of natural and synthetic cis 1,4-polyisoprene rubber. The tread rubber composition may contain at least one of vegetable oil based rubber processing aid and traction promoting resin. The tread rubber composition is intended to be exclusive of styrene-containing elastomers.

Abstract: The invention relates to masterbatch preparation of a silica rich rubber composition, rubber compositions thereof and tire with component.

Abstract: The subject invention is directed towards tire components comprising rubber compositions comprising (1) about 2 phr to about 45 phr of a trans-1,4-isoprene-butadiene copolymer which has about 4 weight percent to about 16 weight percent butadiene repeat units and from about 84 weight percent to about 96 weight percent isoprene repeat units, wherein the trans-1,4-isoprene-butadiene copolymer has a Mooney ML 1+4 viscosity which is within the range of about 35 to about 80; and (2) about 55 phr to about 98 phr of at least one other elastomer, preferably a diene based elastomer. The most preferred tire components are those which contain cord reinforcements and require adequate green strength to enhance the tire building and shaping process to maintain cord integrity in the final cured tire.

Abstract: The invention relates to a pneumatic tire with a circumferential tread composition which contains a unique combination of styrene/butadiene elastomers, both solution and emulsion prepared, a plurality of traction promoting resins and reinforcing filler which contains a specific combination of a selected carbon black and a pre-hydrophobated precipitated silica.

Abstract: The invention relates to preparation of a precipitated silica reinforced rubber composition which contains styrene/butadiene elastomer modified with a combination of bis(3-triethoxysilylpropyl) polysulfide silica coupler and mercaptoorganoalkoxysilane, a rubber composition thereof and a tire with a component of such rubber composition.

Abstract: This invention relates to a heavy duty tire (e.g. heavy duty truck tire) intended for significant load bearing capacity with a rubber tread of cap/base construction. The outer tread cap rubber layer is intended to be ground-contacting and the tread base rubber layer underlies the outer tread cap rubber layer to thereby provide an interface between the between the tread cap rubber layer and tire carcass. The elastomer of at least one of said tread cap rubber and tread base rubber layers layer is comprised of greater than 50 weight percent natural cis 1,4-polyisoprene rubber. The reinforcing filler for at least one of tread cap and tread base rubber layer contains oxidized rubber reinforcing carbon black.

Abstract: The present invention is directed to a pneumatic tire comprising a tread, the tread comprising a radially outermost, ground contacting tread cap and a tread base disposed radially inward of and underlying the tread cap, the tread cap comprising a central cap zone and lateral cap zones, the lateral cap zones located axially adjacent to the central cap zone and on axially opposite sides of the central cap zone, the central cap zone comprising a first rubber composition and the lateral cap zones comprising a second rubber composition, the first rubber composition comprising a diene elastomer, silica, a blocked mercaptosilane, a traction resin, and a low molecular weight polybutadiene functionalized with a hydroxyl functional group; the second rubber composition comprising a diene elastomer, silica, a blocked mercaptosilane, and a low molecular weight polybutadiene functionalized with an alkoxysilane functional group.

Abstract: This invention relates to heavy duty pneumatic rubber tires with treads intended for use on diverse surfaces, particularly for off-the-road service.

Abstract: This invention relates to a tire with a tread of rubber composition with reinforcing filler containing oxidized rubber reinforcing carbon black together with at least one amide additive. In one embodiment, the invention relates to a truck tire intended for heavy duty performance with a tread rubber composition comprised of natural cis 1,4-polyisoprene rubber containing reinforcing filler comprised of oxidized rubber reinforcing carbon black together with at least one amide additive. Such amide additive is comprised of at least one amide of Formula I: wherein R1 is an alkyl radical comprised of from 12 to 36 carbon atoms, an alkenyl radical comprised of from 12 to 36 carbon atoms or alkadienyl radical comprised of from 12 to 36 carbon atoms.

Abstract: This invention relates to a tire with a tread for promoting all season performance, a combination of winter service at low temperatures and for promoting wet traction, while also providing good rolling resistance and resistance to treadwear performance. The tread rubber contains a combination of a high Tg styrene/butadiene elastomer, cis 1,4-polybutadiene rubber, reinforcing filler comprised of chemically pretreated precipitated silica, rubber processing oil and polyethylene glycol.

Abstract: This invention relates to a tire with a tread of rubber composition with reinforcing filler containing oxidized rubber reinforcing carbon black together with at least one amide additive. In one embodiment, the invention relates to a truck tire intended for heavy duty performance with a tread rubber composition comprised of natural cis 1,4-polyisoprene rubber containing reinforcing filler comprised of oxidized rubber reinforcing carbon black together with at least one amide additive. Such amide additive is comprised of at least one amide of Formula I: wherein R1 is an alkyl radical comprised of from 12 to 36 carbon atoms, an alkenyl radical comprised of from 12 to 36 carbon atoms or alkadienyl radical comprised of from 12 to 36 carbon atoms.

Abstract: This invention relates to a tire with a tread of rubber composition with reinforcing filler containing oxidized rubber reinforcing carbon black together with tris (2-ethyl hexyl) phosphate. In one embodiment, the invention relates to a truck tire intended for heavy duty performance with a tread rubber composition comprised of natural cis 1,4-polyisoprene rubber containing reinforcing filler comprised of oxidized rubber reinforcing carbon black together with tris (2-ethyl hexyl) phosphate.

Abstract: The invention relates to a rubber composition and its preparation for providing a path of least electrical resistivity through an electrically resistive rubber composition for a tire with a component of such rubber composition, particularly a tire tread.