中文摘要：

介绍了一种中碱值的磺酸盐修饰的双核碱金属碳酸盐作为润滑油添加剂的摩擦学性能,利用旋转氧弹评价其与无灰抗氧剂的协同抗氧化性能,结果表明：产品不但有良好的摩擦学性能,而且和无灰抗氧剂具有良好的抗氧化协同效应。

英文摘要：

The tribological properties of amiddle base value sulfonate-modified double-nucleus nano carbonate alkali metal as lubricating oil additive are introduced in this paper,and its antioxidant collaboration property with ashless antioxidant is evaluated by using Rotary Bomb Oxidation Test（RBOT）.The results show that the product possesses good tribological properties,and a good synergistic antioxidation effect with ashless antioxidant.