| 摘要 |
PROBLEM TO BE SOLVED: To provide a wet friction material having a high coefficient of dynamic friction, hardly causing variation in the total thickness of the friction material, and having excellent heatspot resistance. SOLUTION: The wet friction material is obtained by impregnating a fiber base material with a thermosetting resin, and heating and curing the resultant product. The fiber base material contains 0.01-2 wt.% fibrous carbon selected from carbon nanotube, vapor-growth carbon fiber and the mixture thereof. The fibrous carbon fiber preferably has 2-500 nm average fiber diameter and 2-25,000 aspect ratio. COPYRIGHT: (C)2006,JPO&NCIPI
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