研究了微乳液法制备纳米金属铜粒子及其在润滑油中的应用.以CuSO4·5H2O、Span-80、Tween-80、SDBS、NaBH4等为主要原料,制得粒度可控、经透射电分析粒径在10～20 nm之间、有部分团聚的纳米铜颗粒.选用适当的活性剂对其进行表面修饰,获得了油溶性良好的纳米润滑油添加剂I6.用四球摩擦试验机和XP-销盘摩擦磨损试验机考察了纳米铜添加剂的摩擦学性能,试验结果表明,添加了I6的润滑油比未添加时PB值提高了28.4%,摩擦系数降低了77.8%;而且在相同负荷条件下,添加了I6纳米添加剂的平均磨斑直径比未添加时的磨斑直径要小得多,表现出了良好的抗磨减摩性能.
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