Fatty Sorbitan Ester Based Friction Modifiers

摘要

A friction modifier composition for reducing friction in a lubricant comprising a fatty acid sorbitan ester that is solid or semi-solid. The fatty acid sorbitan ester is capable of being released into a lubricant at a rate of less than or equal to 0.15 grams per minute.

主权项

1. A device for providing additives to a lubricant, the device comprising:
a fatty acid sorbitan ester that is solid or semi-solid solid and represented by general formula:wherein n ranges from 6 to 22; and
a container for holding the fatty acid sorbitan ester, the container being configured to allow the lubricant to flow therethrough; wherein the device is configured to allow the lubricant to pass over and/or through the fatty acid sorbitan ester causing the fatty acid sorbitan ester to be released into the lubricant.