PROCESS FOR PREPARING ALKALI METAL AND ALKALINE EARTH METAL COMPLEX GREASES

摘要

RBP File No. 492-499 A process for preparing an alkali metal or alkaline earth metal complex soap for use in the preparation of an alkali metal or alkaline earth metal complex grease is disclosed. An alkali metal or alkaline earth metal soap suitable as a precursor to the respective alkali metal or alkaline earth metal complex soap is reacted in the presence of a base oil with a complexing amount of a complexing acid. The reaction produces the respective alkali metal or alkaline earth metal complex soap and fatty acid. A neutralizing amount of the respective alkali metal or alkaline earth metal base is added to neutralize the fatty acid.