TREAD RUBBER COMPOSITION WITH MAJORITY RENEWABLE CONTENT
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United States of America Patent
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Issued Date -
Jan 23, 2025
app pub date -
Jul 20, 2023
filing date -
Jul 20, 2023
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Abstract
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: greater than 50 phr of at least one mass balanced polymer; at least one bio-derived plasticizer; and a bio-derived filler system comprising silica and carbon black. 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.
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