| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a phenolic resin molding material, especially, a pulley material, for moldings, excellent in dust abrasion resistance, heat shock resistance, and mechanical strengths and capable of reducing a load on a production facility. <P>SOLUTION: The phenolic resin molding material mainly consists of 100 pts.mass resol phenolic resin, 40 to 100 pts.mass inorganic fiber, 30 to 90 pts.mass coupling-agent-treated natural silica powder having a mean particle diameter of 0.5 to 15μm, and 1 to 15 pts.mass rubber component. The inorganic fiber is exemplified by a glass fiber. The natural silica powder may be a crush-shaped one. The molding is exemplified by a resin pulley. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
