| 摘要 |
PURPOSE:A molding material excellent in lubricating/sliding property and abrasion resistance, obtained by adding fine silicon nitride particles to a thermosetting or thermoplastic plastic material. CONSTITUTION:An abrasion-resistant engineering plastic molding material is obtained by adding 15-50wt% fine silicon nitride particles, preferably, trigonal alpha-silicon nitride of an alpha-form content >=70% and an average particle diameter <=20mum, surface-treated with a silane coupling agent and, optionally, 5-10wt% auxiliary reinforcement (e.g., carbon fiber, and additives such as a cure accelerator and an insulating agent to a thermosetting molding material (e.g., phenolic resin) or a thermoplastic plastic material (e.g., polyether sulfone resin).
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