| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyacetal resin compsn. which is excellent in sliding properties, electric conductivity, mechanical properties, heat stability, and moldability, esp. in moldability and dimensional stability in producing small-sized sliding members. SOLUTION: This compsn. comprises (a) 100 pts.wt. polyacetal resin, (b) 5-30 pts.wt. polytetrafluoroethylene, (c) 1-20 pts.wt. carbon black, (d) 0.1-15 pts.wt. of at least one heat stabilizer selected from among quinoline compds., amide compds., and amine compds., and (e) 0.1-10 pts.wt. of at least one moldability improver selected from among fatty acid esters of polyhydric alcohols, fatty acid esters of complexes of polyhydric alcohols and boric acid, ethylene oxide adducts of the foregoing fatty acid esters, polyoxyethylenealkylamines, and fatty acid esters of polyoxyethylenealkylamines. |
