Patent ID: 6432187
Filing Date: 2002-08-13
Classification: F16D

Abstract:
A friction material comprising, as a friction control agent, 3-50% by weight of one or more substances selected from the group consisting of flat layered titanates represented by general formula (1) as follows:AxMyTi2âˆ’yO4â€ƒâ€ƒ(1) wherein A represents an alkaline metal other than lithium; M represents one or more elements selected from the group consisting of lithium, magnesium, zinc, nickel, copper, iron, aluminum, gallium and manganese; x is a number from 0.5-1.0; and y is a number from 0.25-1.0, andflat layered titanic acids represented by general formula (2) as follows: Hx(Mâ€²y)zTi2âˆ’yO4.nH2Oâ€ƒâ€ƒ(2) wherein Mâ€² represents one or more elements selected from the group consisting of lithium, magnesium, zinc, nickel, copper, iron, aluminum, gallium and manganese; x is a number from 0.5-1.0; y is a number from 0.25-1.0; z is 0 or 1; and n is a number of 0&lE;n&lE;2.