| 摘要 |
PROBLEM TO BE SOLVED: To obtain a friction material improved in frictional characteristics so as to play a relevant role as a constituent material of the brake of an automobile. SOLUTION: This friction material is obtained by integrally molding a mixture of a resin and a base material. The base material is an alkali metal titanate-based composite compound powder composed of a mixture of an alkali metal titanate of the formula M2 Tin O2n+1 [M is an alkali metal; (n) is 3-6],α-alumina (Al2 O3 ),β-alumina of the formula M2 O.mAl2 O3 [M is an alkali metal; (m) is 5-11] and at least one kind of aluminum compound, hollandite-structured puliderite of the formula Mx Alx Ti8-x O16 [M is an alkali metal; (x) is 0.5-3].
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