FRICTION MATERIAL - NISSHINBO BRAKE INC

Title:

FRICTION MATERIAL

Document Type and Number:

WIPO Patent Application WO/2017/014173

Kind Code:

A1

Abstract:

The present invention addresses the problem of providing a friction material used in a disc brake of an automobile or the like and molded from an NAO friction material composition, wherein there is no decline in rust suppressing effect even when an automobile is left for a long time in a high-humidity condition in a state in which a parking brake is set, and rust adhesion can be prevented. The abovementioned problem is solved by a friction material obtained by molding an NAO friction material composition including a binding material, a fiber base material, a friction adjusting material, a lubricating material, a pH adjusting material, and a filler, wherein the friction material composition is configured having 2-6 wt% of an alkali metal salt and/or an alkaline earth metal salt as the pH adjusting material with respect to the entire quantity of the friction material composition, 1-7 wt% of fibrillated organic fibers as the fiber base material with respect to the entire quantity of the friction material composition, and the content of water-repellent components is 0-0.5 wt% with respect to the entire quantity of the friction material composition.

Inventors:

YAMAMOTO KAZUHIDE (JP)
MATSUZAWA TAKUYA (JP)

Application Number:

PCT/JP2016/070953

Publication Date:

January 26, 2017

Filing Date:

July 15, 2016

Export Citation:

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Assignee:

NISSHINBO BRAKE INC (JP)

International Classes:

C09K3/14; F16D69/02

Domestic Patent References:

WO2014115594A1	2014-07-31
WO2015072440A1	2015-05-21
WO2016121748A1	2016-08-04

Foreign References:

JP2015074716A	2015-04-20
JPH09144792A	1997-06-03
JPH10121033A	1998-05-12
JP2004352738A	2004-12-16
JP2016145274A	2016-08-12

Other References: