Oleaginous compositions and additive concentrates therefor having enhanced performance characteristics comprise at least a) one or more oil-soluble metal dihydrocarbyl dithiophosphates or dithiocarbamates; and b) one or more oil-soluble additive compositions formed by heating concurrently or in any sequence at least one ashless dispersant which contains basic nitrogen and/or at least one hydroxyl group with (i) at least one inorganic phosphorus acid or anhydride, or at least one partial or total sulfur analog thereof, or any combination of the foregoing; or (ii) at least one water-hydrolyzable organic phosphorus compound and water; and (iii) at least one boron compound; such that a phosphorus- and boron-containing liquid composition is formed, and from which excessive water, if present, has been removed at least during or after heating with (ii), if used.
具有增强性能特征的油胶组合物及其添加剂浓缩物至少包括 a) 一种或多种油溶性
金属二氢羰基
二硫代磷酸酯或二
硫代
氨基甲酸酯;(b) 一种或多种油溶性添加剂组合物,通过同时或任意顺序加热至少一种无 灰分散剂而形成,该分散剂含有碱性氮和/或至少一个羟基与 (i) 至少一种无机
磷酸或
磷酸酐,或至少一种其部分或全部
硫类似物, 或上述物质的任意组合;或 (ii) 至少一种可
水解的有机
磷化合物和
水;以及 (iii) 至少一种
硼化合物;这样就形成了一种含
磷和
硼的液体组合物,如果使用了(ii),在加热过程中或加热后,过量的
水分(如果存在)已被去除。