Friction material
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United States of America Patent
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Aug 13, 2002
Grant Date -
N/A
app pub date -
Oct 6, 2000
filing date -
Feb 9, 1999
priority date (Note) -
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Abstract
A friction material characterized as containing, as a friction control agent, 3-50% by weight of one or more substances selected from flat layered titanates represented by the general formula (1), A.sub.x M.sub.y Ti.sub.2-y O.sub.4 (wherein A represents an alkaline metal other than lithium; M represents one or more elements selected from lithium, magnesium, zinc, nickel, copper, iron, aluminum, gallium and manganese; x is a number of 0.5-1.0; and y is a number of 0.25-1.0) and flat layered titanic acids represented by the general formula (2), H.sub.x (M'.sub.y).sub.z Ti.sub.2-y O.sub.4.nH.sub.2 O (wherein M' represents one or more elements selected from lithium, magnesium, zinc, nickel, copper, iron, aluminum, gallium and manganese; x is a number of 0.5-1.0; y is a number of 0.25-1.0; z is a number of 0 or 1; and n is a number of 0.ltoreq.n.ltoreq.2).
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