his invention relates to a detergent-dispersant composition for lubricating or fuel oils, The composition consists essentially of (a) an amount effective as a detergent-dispersant of a hydrotalcite having a specific surface area, determined by the BET method, of up to about 60 m2/g and an average secondary particle size of up to about 5 microns, the hydrotalcite particles being untreated or sulface-treated with an anionic surface-active agent, and the hydrotalcite being represented by the following formula
wherein x is a positive number represented by 3
本发明涉及一种用于润滑油或燃料油的洗涤分散剂组合物,该组合物主要包括(a)一定量的作为洗涤分散剂有效的
水滑石,其比表面积用BET法测定可达约60平方米/克,平均二次粒径可达约5微米,
水滑石颗粒未经处理或用阴离子表面活性剂进行
硫表面处理,
水滑石用下式表示
其中 x 是正数,用 3
水分散剂 i 或稀释剂。