Hydrocarbyl dispersants including pendant polar functional groups
First Claim
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1. A dispersant composition comprising a reaction product of (1) an acrylamide comprised of a compound of the formula:
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Abstract
A dispersant composition for use as a lubricant additive. The dispersant composition includes a reaction product of an acrylamide and a compound having at least one primary or secondary amine group and being selected from the group consisting of hydrocarbyl-substituted succinimides, hydrocarbyl-substituted amines, and Mannich base adducts derived from hydrocarbyl-substituted phenols condensed with aldehydes and amines. The hydrocarbyl substituent has a number average molecular weight ranging from about 500 to about 5000 as determined by gel permeation chromatography.
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31 Claims
- 1. A dispersant composition comprising a reaction product of (1) an acrylamide comprised of a compound of the formula:
- 15. A lubricant additive comprising a reaction product of (1) an acrylamide comprised of a compound of the formula:
- 22. A method of lubricating moving parts of a vehicle containing one or more moving parts, the method comprising contacting a lubricating oil with the one or more moving parts of the vehicle, said oil comprising a lubricant composition containing a lubricant and a lubricant additive, the lubricant additive including a reaction product of (1) an acrylamide comprised of a compound of the formula:
- 28. A composition for use as a dispersant comprising a compound of the formula:
Specification