Method Of Forming Additive Packages and Lubricant Compositions That Include A Seal Compatibility Additive

摘要

This disclosure is directed to a method of forming an additive package for a lubricant composition. The method includes the step of providing a base oil and a dispersant, the step of heating the base oil and the dispersant, and the step of combining the base oil and the dispersant to form a first mixture. The method further includes the step of providing a detergent, the step of heating the detergent, and the step of combining the first mixture and the detergent to form a second mixture. The method further includes the step of providing an anti-wear additive and a seal compatibility additive, the step of heating the anti-wear additive the seal compatibility additive, and the step of combining the second mixture, the anti-wear additive, and the seal compatibility additive to form the additive package.

主权项

1. A method of forming an additive package for a lubricant composition, said method comprising the steps of:
providing a base oil and a dispersant; heating the base oil and the dispersant to a temperature of from 75 to 115° C.; combining the base oil and the dispersant to form a first mixture; providing a detergent; heating the detergent to a temperature of from 50 to 90° C.; combining the first mixture and the detergent to form a second mixture; providing an antioxidant, an anti-wear additive, and a seal compatibility additive; heating the antioxidant, the anti-wear additive, and the seal compatibility additive to a temperature of from 30 to 70° C.; and combining the second mixture, the antioxidant, the anti-wear additive, and the seal compatibility additive to form the additive package.