申请人:ETHYL PETROLEUM ADDITIVES, INC.
公开号:EP0493928A1
公开(公告)日:1992-07-08
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。