Propylene-based polymer additives for improved tire tread performance
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United States of America Patent
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Jul 16, 2024
Grant Date -
Jan 28, 2021
app pub date -
Apr 9, 2019
filing date -
Apr 11, 2018
priority date (Note) -
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Abstract
An elastomeric composition is disclosed. The elastomeric composition includes, per 100 parts by weight of rubber (phr): about 0 to about 25 phr of poly butadiene having a cis-1,4 linkage content of at least 95%; about 75 to 100 phr of a styrene/butadiene copolymer; about 10 to about 30 phr of a processing oil; about 50 to about 70 phr of a filler; a curative agent; an antioxidant; a silane coupling agent; and about 5 to about 30 phr of a propylene-ethylene-diene terpolymer.
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