SILICA REINFORCED RUBBER COMPOSITION WHICH CONTAINS CARBON BLACK SUPPORTED THIOGLYCEROL COUPLING AGENT AND ARTICLE OF MANUFACTURE, INCLUDING A TIRE, HAVING AT LEAST ONE COMPONENT COMPRISED OF SUCH RUBBER COMPOSITION

US6534584B2 · kind B2 · utility

Assignee

• The Goodyear Tire & Rubber Company · US

Inventors

• Lawson Gibson Wideman · Tallmadge, US
• Kevin James Pyle · Uniontown, US
• Richard Robinson Smith · Cuyahoga Falls, US
• Paul Harry Sandstrom · Tallmadge, US

Key dates

• Filing date: Jan 8, 2001
• Grant date: Mar 18, 2003
• Expiry date: Apr 15, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K9/04
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

This invention relates to a conjugated diene-based rubber composition reinforced with silica-based reinforcement together with a composite of carbon black supported non-silane coupling agent as 1-thioglycerol(3-mercapto-1,2-propanediol) and exclusive of 2,2′-benzothiazyl disulfide. The invention includes an article of manufacture, including a tire, having at least one component comprised of such rubber composition.