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 (JP)
OGATA YOSHIO (JP)
OGATA YOSHIO (JP)
Application Number:
PCT/JP2018/037781
Publication Date:
April 18, 2019
Filing Date:
October 10, 2018
Export Citation:
Assignee:
HITACHI CHEMICAL CO LTD (JP)
NISSAN MOTOR (JP)
NISSAN MOTOR (JP)
International Classes:
C09K3/14; F16D69/02; F16D69/04
Foreign References:
| JP2016153440A | 2016-08-25 | |||
| JP2004346179A | 2004-12-09 | |||
| JP2017002185A | 2017-01-05 | |||
| JP2017002186A | 2017-01-05 | |||
| JP2017141352A | 2017-08-17 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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