A tire is disclosed having a path of thermal conductivity within a cast polyurethane component of the tire which extends from an internal portion of the tire to the tire's outer sidewall surface. The cast polyurethane component contains a dispersion of boron nitride particles. Preferably, the cast polyurethane is a reaction product of a liquid polyurethane reaction mixture comprising an organic polyisocyanate and polymeric polyol, or a primary aliphatic polyamine, desirably a diamine, and isocyanate terminated pre-polymer of an organic polyisocyanate and polymeric polyol, wherein said polymeric polyol is a saturated hydrocarbon polyol comprising at least one of polyester polyol and polyether polyol, and wherein the cast polyurethane does not contain carbon-to-carbon unsaturation. The boron nitride particles are preferably layered hexagonally crystalline boron nitride (h-BN) particles.
TIRE CONTAINING A CAST POLYURETHANE COMPONENT
REIFEN MIT EINER GEFORMTEN POLYURETHANKOMPONENTE
PNEU CONTENANT UN COMPOSÉ POLYURÉTHANE MOULÉ
2016-11-02
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, anders erhalten als durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
PROVISION OF THERMAL CONDUCTIVITY FOR A TIRE CONTAINING A CAST POLYURETHANE COMPONENT
European Patent Office | 2016
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