Current research status were summarized on toughened,wear-resistant and self-lubricated,thermal Stability,flame retardancy of polyoxymethylene(POM) and its application in PTC condcting material.

• 综述了聚甲醛(POM)的增韧、耐磨改性及改善POM热稳定性、耐候性、阻燃性能的研究成果,介绍了POM用作PTC导电材料的现状。