A lubricating composition containing the reaction product (a) of an aldehyde, amine and a di-secondary alkyl hindered phenol and at least one additive selected from the group consisting of hydrocarbyl diphenylamines, sterically hindered phenols other than component (a), metal hydrocarbyl dithiophosphates, sulphurised olefins and mixtures thereof. The composition has antioxidant properties for internal combustion engines without the bioaccumulation of tris-tert-butyl phenol.
一种润滑组合物,含有醛、胺和二仲烷基受阻
酚的反应产物 (a) 以及至少一种添加剂,这些添加剂选自以下组别:烃基
二苯胺、除成分 (a) 以外的立体受阻
酚、
金属烃基
二硫代磷酸酯、
硫化烯烃及其混合物。该组合物具有内燃机抗氧化特性,不会造成三叔
丁基苯酚的
生物累积。