The Goodyear & Tire Rubber Company

Leena Nebhani

Ralf Mruk

Ling Du

Michael Joseph Rachita

Tang Hong Wong

William Paul Francik

Annette Lechtenboehmer

Robert Fokko Roskamp

Claude Ernest Felix Boes

Frederic Gerard Auguste Siffer

Gregory Daniel Zartman

Klaus Unseld

The invention relates to rubber comprised of a reaction product of at least one diene-based elastomer, branched polyethylenimine oligomer and filler reinforcement comprised of at least one of rubber reinforcing carbon black and precipitated silica. The invention further relates to a tire with a component comprised of such rubber composition.

Rubber comprised of product of diene-based elastomer, branched polyethylenimine oligomer and reinforcing filler, and tire with component

The present invention relates to preparation of precipitated silica reinforced rubber compositions with silica coupling agent comprised of a siloxy trithiocarbonate, rubber compositions thereof and an article of manufacture such as a tire which contains a component comprised of such rubber composition.

Preparation of silica reinforced rubber with coupling agent comprised of siloxy trithiocarbonate and tire with component

The present invention is directed to a pneumatic tire comprising at least one component, the at least one component comprising a vulcanizable rubber composition, the vulcanizable rubber composition comprising: at least one diene based elastomer; precipitated silica; and a compound of formula I where R, Rand Rare independently selected alkyl or alkoxy groups containing from 1 through 8 carbon atoms provided that at least one of said groups is an ethoxy group, and alternatively provided that all three of said groups are ethoxy groups, Ris an alkanediyl group containing from 0 through 8 carbon atoms, Si is silicon, N is nitrogen and O is oxygen.

Pneumatic tire with siloxy nitroxide

There is disclosed a functionalized elastomer of formula I where R, Rand Rare independently C1 to C8 alkyl or C1 to C8 alkoxy, with the proviso that at least two of R, Rand Rare C1 to C8 alkoxy; Ris C1 to C8 alkanediyl, C1 to C8 arylene, C1 to C8 alkylarylene, C1 to C8 arylalkanediyl, or a covalent bond; Ris C2 alkanediyl; Si is silicon; X is sulfur or oxygen; and P is a diene based elastomer, and n is 1 or 2.

Functionalized polymer, rubber composition and pneumatic tire

The invention relates to preparation of rubber reinforced with at least one of graphene and carbon nanotubes with specialized coupling agent and tire with component thereof.

Preparation of rubber reinforced with at least one of graphene and carbon nanotubes with specialized coupling agent and tire with component

There is disclosed a vulcanizable rubber composition comprising: where R, Rand Rare independently C1 to C8 alkyl or C1 to C8 alkoxy, with the proviso that at least two of R, Rand Rare C1 to C8 alkoxy; Ris C1 to C8 alkyl; Si is silicon; S is sulfur; and Z is Ror of formula II where Ris alkyl, aryl, alkylaryl or arylalkyl;

Rubber composition and pneumatic tire

The present invention is directed to a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer and a polymerization terminator of formula I wherein R, R, R, R, and Rare as defined. The invention is further directed to a rubber composition including the functionalized elastomer, and a pneumatic tire including the rubber composition.

There is disclosed a functionalized elastomer comprising the reaction product of a living anionic elastomeric polymer; and a polymerization terminator of formula I where R, Rand Rare independently C1 to C8 alkyl or C1 to C8 alkoxy, with the proviso that at least two of R, Rand Rare C1 to C8 alkoxy; Ris C1 to C8 alkyl; Si is silicon; S is sulfur; and Z is Ror of formula II where Ris alkyl, aryl, alkylaryl or arylalkyl. There is further disclosed a rubber composition comprising the functionalized elastomer, and a pneumatic tire comprising the rubber composition.

Growing community of inventors

Copley, OH, United States of America

Leena Nebhani