COMPOSITE CARBON MATERIAL, BRAKE MATERIAL COMPRISING COMPOSITE CARBON MATERIAL, AND METHOD FOR PRODUCING COMPOSITE CARBON MATERIAL

WIPO Patent Application WO/2006/033373

A1

There is provided a composite carbon material which exhibits a high and stable coefficient of friction after a small number of times of braking operation and also a reduced abrasion amount, and thus is suitable for a brake material. A brake pad (10), wherein a first layer (11) comprising a carbon fiber woven fabric (12) as a two-dimensional fiber material and a second layer (15) comprising a short carbon fiber material (16) are laminated and then integrated by the heating and simultaneous pressurization of the resultant laminate. The first layer (11) is preferably formed by impregnating the carbon fiber woven fabric (12) with a liquid resin, followed by carbonization, and the second layer (15) is preferably formed by mixing the short carbon fiber material (16), a resin powder and a silica or silicon powder, followed by carbonization. It is further preferred that a phenol resin, which is a thermosetting resin, is used as the above liquid resin and resin powder, and the first layer and the second layer are integrated by a method comprising forming the layers together with a resin layer comprising a thermosetting resin, followed by carbonization.

ICHIKAWA SHIGERU (JP)
KAMIYA SUMIO (JP)
YAMADA KOJI (JP)
SASAKI HIRONORI (JP)

PCT/JP2005/017437

March 30, 2006

September 15, 2005

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TOYOTA MOTOR CO LTD (JP)
ICHIKAWA SHIGERU (JP)
KAMIYA SUMIO (JP)
YAMADA KOJI (JP)
SASAKI HIRONORI (JP)

C04B35/83; F16D69/02

JPS63210065A	1988-08-31
JPH03109266A	1991-05-09

Hiraki, Yusuke (3-20 Toranomon 4-chom, Minato-ku Tokyo 01, JP)

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