【摘要】 为了研究新合成的水溶性富勒烯甲基丙烯酸共聚物的摩擦学特性 ,采用了 TEM、四球机、电子探针等试验分析方法。实验结果表明其在水溶液中形貌为球形 ,平均球径约为 70 nm;一定量的该富勒烯共聚物可有效提高水基基础液 (含质量分数为 0 .5 %烷基酚聚氧乙烯醚磷酸锌及 2 %三乙醇胺的水溶液 )的承载能力、减小摩擦因数 ;同样条件下 ,与相应的均聚物相比 ,添加该富勒烯共聚物可使磨斑变小 ,裂纹及点蚀凹坑明显减少。摩擦学性能的改善 ,与富勒烯共聚物作为固体润滑剂及其纳米微球发生微观弹性滚动润滑有关更多还原

【Abstract】 TEM analysis, the four ball test and electron probe microanalysis were used to study the tribological behavior of a synthesized water soluble fullerene methacrylic acid copolymer. The results show that the copolymer forms into an ideal sphere in water with an average diameter of about 70 nm. Addition of fullerene copolymer to the base stock (aqueous solution containing 0.5% zinc alkylphenol phosphate and 2% triethanolamine) can effectively raise the load carrying capacity and reduce the friction coefficient. Tests also show that the copolymer has smaller wear scar and less cracking and pitting compared with the corresponding homopolymer for the same conditions. The improved tribological performance is due to the fullerene copolymer, which might act as a solid lubricant as well as its function as an elastic rolling lubricant due to the nanometer size spheres.更多还原