Friction material composition, and friction material and friction member using the same

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United States of America Patent

PATENT NO 11137043
APP PUB NO 20180106321A1
SERIAL NO

15571688

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Abstract

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A friction material composition imparts superior friction coefficient, abrasion resistance, aggressiveness against an opposite member, and brake noise preventive characteristics in high speed and high load braking to a friction material, although containing no copper, which can pollute rivers, lakes, the ocean, or other environments, or containing copper in an amount of at most 0.5 mass. Moreover, a friction material and a friction member each uses the friction material composition. The friction material composition includes a binder, an organic filler, an inorganic filler, and a fibrous base material, and the friction material composition contains copper in an amount of at most 0.5 mass % as an element or contains no copper. The binder contains silicone-rubber dispersed phenolic resin in an amount of 5 to 10 mass %. The inorganic filler contains zirconium oxide in an amount of 20 to 33 mass %.

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Patent Owner(s)

Patent OwnerAddress
RESONAC CORPORATIONTOKYO 105-7325

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsuba, Kazuaki Hino, JP 3 14

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