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Patent Searching and Data


Title:
FRICTION MATERIAL COMPOSITION, AND FRICTION MATERIAL AND FRICTION MEMBER EACH OBTAINED FROM FRICTION MATERIAL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2019/074012
Kind Code:
A1
Abstract:
A friction material composition which comprises a binder, an organic filler, an inorganic filler, and a fibrous base, and which contains no copper element or has a copper content not exceeding 0.5 mass%. The friction material composition contains α alumina and γ alumina in a mass ratio of 1:20 to 1:5, contains a silicone-containing phenolic resin, contains 20-35 mass% titanic acid salt, contains 3-7 mass% graphite having a median diameter of 1-30 μm, and contains antimony trisulfide.

Inventors:
MITSUMOTO Masamichi (9-2, Marunouchi 1-chome, Chiyoda-k, Tokyo 06, 〒1006606, JP)
OGATA Yoshio (2, Takara-cho, Kanagawa-ku, Yokohama-sh, Kanagawa 23, 〒2210023, JP)
Application Number:
JP2018/037781
Publication Date:
April 18, 2019
Filing Date:
October 10, 2018
Export Citation:
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Assignee:
HITACHI CHEMICAL COMPANY, LTD. (9-2 Marunouchi 1-chome, Chiyoda-ku Tokyo, 06, 〒1006606, JP)
NISSAN MOTOR CO., LTD. (2 Takara-cho, Kanagawa-ku Yokohama-sh, Kanagawa 23, 〒2210023, JP)
International Classes:
C09K3/14; F16D69/02; F16D69/04
Foreign References:
JP2016153440A2016-08-25
JP2004346179A2004-12-09
JP2017002185A2017-01-05
JP2017002186A2017-01-05
JP2017141352A2017-08-17
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (Toranomon Kotohira Tower, 2-8 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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