Additives for lubricating oils, especially automatic transmission fluids, are disclosed comprising a heterocyclic compound containing boron and of the formula
wherein R is inorganic or organic and R₁ and R₂ are the same or different organic radicals, in admixture with or as the reaction product of reaction with an ester of a polyhydric alcohol. The boron-containing heterocyclic compound may contain sulfur. It may comprise the product of reacting together ammonia or a primary amine, an aliphatic or aromatic epoxide and a boric acid in a ratio of 1: 2: 1. Lubricating oils and transmission fluids containing these additives are also disclosed.
揭示了用于润滑油,特别是自动变速器油的添加剂,包括一种含
硼的
杂环化合物,其
化学式为其中R为无机或有机,R₁和R₂为相同或不同的有机基团,与或作为与多羟基醇酯反应的反应产物混合。含
硼的
杂环化合物可能含有
硫。它可能包括将
氨或一种一元胺,脂肪族或芳香族
环氧化物以及
硼酸按1:2:1的比例反应在一起的产物。还揭示了含有这些添加剂的润滑油和变速器油。