A tire component formed from a rubber composition comprises a majority weight percent of renewable materials. The rubber composition comprises, based on 100 parts per weight (phr) of elastomer:a blend of at least two rubber elastomers selected from a group consisting of:from about 40 phr to about 50 phr polybutadiene;up to about 35 phr of styrene-butadiene copolymer;up to about 45 phr of natural rubber;a bio-derived resin material; anda bio-derived filler comprising silica and carbon black filler. The carbon black filler is at least partially derived from a bio-based feedstock prior to its addition to the rubber composition. The resin and the silica are also derived from renewable materials.
TREAD RUBBER COMPOSITION WITH MAJORITY RENEWABLE CONTENT
22.06.2023
Patent
Elektronische Ressource
Englisch
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