Title:
摩擦材および摩擦部材
Document Type and Number:
Japanese Patent JP6753649
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a friction material less in rust fastening power and rust peeling in a friction material containing no copper high in environmental load or having the content of copper of 0.5 mass% or less.SOLUTION: There is provided a friction material containing a binder, an organic filler, an inorganic filler and a fiber substrate, containing no copper as an element in the friction material or having the content of copper of 0.5 mass% or less, containing fibrillated aramid fiber as the fiber substrate, having porosity measured by an oil impregnation method of 15% or less and sulfate ion concentration measured by an ion chromatography of 1000 ppm or less. There is provided a friction material containing zinc powder, calcium hydroxide of 2.5 to 10 mass% and sodium carbonate of 0.2 to 2 mass%.SELECTED DRAWING: None
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Inventors:
Mino Umino
Mitsumoto truth
Mitsumoto truth
Application Number:
JP2015022169A
Publication Date:
September 09, 2020
Filing Date:
February 06, 2015
Export Citation:
Assignee:
Japan Brake Industrial Co., Ltd.
International Classes:
C09K3/14; F16D69/02; F16D69/04
Domestic Patent References:
| JP2014125504A | ||||
| JP2003160780A | ||||
| JP2000144104A | ||||
| JP5117633A | ||||
| JP4275386A | ||||
| JP4249629A | ||||
| JP2186134A | ||||
| JP2186135A | ||||
| JP200515576A | ||||
| JP2002285462A |
Foreign References:
| WO2010140265A1 | ||||
| WO2008123046A1 |
Attorney, Agent or Firm:
Otani patent office