Elastomeric Blend for Tires Comprising High Glass Transition Temperature Hydrocarbon Resins

Elastomeric Blend for Tires Comprising High Glass Transition Temperature Hydrocarbon Resins

This invention relates to an elastomeric composition comprising at least one elastomer and a hydrocarbon polymer additive, wherein the hydrocarbon polymer additive has a glass transition temperature in the range of about 40 to about 70° C. and is selected from at least one of dicyclopentadiene (DCPD...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Das Kaushik, D'Cruz Bernard, Rodgers Michael B, Parerparambil Sajith
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:This invention relates to an elastomeric composition comprising at least one elastomer and a hydrocarbon polymer additive, wherein the hydrocarbon polymer additive has a glass transition temperature in the range of about 40 to about 70° C. and is selected from at least one of dicyclopentadiene (DCPD)-based polymer, a cyclopentadiene (CPD)-based polymer, a DCPD-styrene copolymer, a C5 homopolymer and copolymer resin, a C5-styrene copolymer resin, a terpene homopolymer or copolymer resin, a pinene homopolymer or copolymer resin, a C9 homopolymer and copolymer resin, a C5/C9 copolymer resin, an alpha-methyl styrene homopolymer or copolymer resin, and combinations thereof; and wherein, the composition has a permeability coefficient at 40° C. of 1 cc*mm/(m2-day)*mmHg or less.