Low rolling resistance tread for cars and light trucks

Tires, especially tires for passenger and light track vehicles, that have treads constructed of a silica reinforced material that is based upon a cross-linkable rubber composition that includes, per hundred parts by weight of rubber (phr), between 50 phr and 90 phr of natural rubber and between 10 p...

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Bibliographische Detailangaben
1. Verfasser:	THOMPSON WILLIAM MARSHALL
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS TYRE CHANGING OR REPAIRING TYRE INFLATION USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS VEHICLE TYRES VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	Tires, especially tires for passenger and light track vehicles, that have treads constructed of a silica reinforced material that is based upon a cross-linkable rubber composition that includes, per hundred parts by weight of rubber (phr), between 50 phr and 90 phr of natural rubber and between 10 phr and 50 phr of a silanol end-functionalized styrene-butadiene rubber and may include between 5 phr and 40 phr of a plasticizing resin. The plasticizing resin may be characterized as having a glass transition temperature Tg of between 30° C. and 120° C. or alternatively, between 45° C. and 85° C. The plasticizing resin may be a polylimonene resin. Tires manufactured with such treads may be characterized as having improved rolling resistance with no loss in wet or dry grip properties.