The invention provides a grease composition comprising a stable dispersion of a metal hydroxide with a number average particle size in the range 20 nanometres to 2 micrometres, a surfactant with a HLB of less than 10, a mono- or poly-carboxylic acid, and an oil of lubricating viscosity. The method of preparing a grease composition is also disclosed with benefits including a reduction in reaction time, amount of foam produced and environmental hazards.
本发明提供了一种润滑脂组合物,该组合物包含平均粒径在 20 纳米至 2 微米范围内的
金属氢氧化物稳定分散体、HLB 小于 10 的表面活性剂、单
羧酸或多
羧酸以及润滑粘度油。还公开了制备润滑脂组合物的方法,其优点包括减少反应时间、产生的泡沫量和环境危害。