Functionalized Polymers Tread Additive To Improve Truck And Bus Radial Tire Performance

An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): 0 to about 50 phr of a polybutadiene having a cis-1,4 linkage content of at least 95%; about 50 to 100 phr of natural rubber or polyisoprene; a curative agent; an antioxidant; abou...

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Bibliographische Detailangaben
Hauptverfasser:	Nguyen, Paul S.Q, Tripathy, Ranjan, Dias, Anthony J, Mann, Jason A, Blok, Edward J
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DEVICES OR ARRANGEMENTS RELATED TO TYRES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS 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
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Beschreibung
Zusammenfassung:	An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): 0 to about 50 phr of a polybutadiene having a cis-1,4 linkage content of at least 95%; about 50 to 100 phr of natural rubber or polyisoprene; a curative agent; an antioxidant; about 10 to about 80 phr carbon black; optionally about 30 to about 70 phr silica; about 1 to about 20 phr hydrocarbon resin; and about 5 to about 30 phr of a polymer selected from the group consisting of ethylene-propylene-diene terpolymer, butyl rubber, poly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methyl-styrene-co-isoprene) terpolymer. The polymer based on ethylene-propylene-diene terpolymer, butyl rubber, oly(isobutylene-co-para-methylstyrene) and poly(isobutylene-co-para-methylstyrene-co-isoprene) terpolymer may be functionalized.