MANUFACTURE OF REINFORCED POLYURETHANE TIRE

This invention relates to a process for producing a reinforced tire utilizing polyurea or polyuPethane formulations having low hysteresis. The polymer having low hysteresis is formed by reacting a prepolymer of an aromatic isocyanate and a high molecular weight difunctional polyol with a chain exten...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HAABAATO FURANTSU SUTOROOMAIYAA, ANDOREASU ROBERUTO SHIYUMITSUTO, BARUTON MIRIGAN, BUARUTAA JIBURARU
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON DEVICES OR ARRANGEMENTS RELATED TO TYRES MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	This invention relates to a process for producing a reinforced tire utilizing polyurea or polyuPethane formulations having low hysteresis. The polymer having low hysteresis is formed by reacting a prepolymer of an aromatic isocyanate and a high molecular weight difunctional polyol with a chain extender mix comprising an aromatic diamine and difunctional polyol. In these compositions the aromatic diisocyanate and aromatic diamine are selected so that there is substantial symmetry between the molecules. The reinforcement used is preferably an aromatic polyamide.