LUBRICANT ADDITIVE COMPOSITION, LUBRICANT, AND METHOD OF PREPARING THE SAME

摘要

A lubricant additive composition including: a borate including an alkali metal borate, an alkaline earth metal borate, or a combination thereof; tungsten disulfide including particles having a particle diameter of 4 to 160 nanometers; an anti-scuff agent including a metal dithiocarbamate, a metal dialkyldithiocarbamate, a metal dithiophosphate, a metal dialkyldithiophosphate, or a combination thereof; a borate ester; and a base oil.

主权项

1. A method of manufacturing a lubricant additive composition, the method comprising:
contacting
a borate comprising an alkali metal borate, an alkaline earth metal borate, or a combination thereof;tungsten disulfide comprising particles having a particle diameter of 4 to 160 nanometers;a borate ester;an anti-scuff agent comprising a metal dithiocarbamate, a metal dialkyldithiocarbamate, a metal dithiophosphate, a metal dialkyldithiophosphate, or a combination thereof; anda base oil under conditions effective to disperse the borate, the tungsten disulfide, the borate ester, and the anti-scuff agent in the base oil to manufacture the lubricant additive composition.