Patent ID: 8497232
Filing Date: 2013-07-30
Classification: C10M,C10N

Abstract:
1. A friction modifier comprising an alkenyl-substituted succinimide of the following formula (I) or a post-treated derivative thereof: in which each of R 1 and R 1 ′ independently is an alkenyl group having a branch structure in β-position which is represented by the following formula (1), R 2 is a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, an aryl group having 6 to 12 carbon atoms, an aralkyl group having 7 to 13 carbon atoms, or a 5-8 membered heterocyclic group, x is an integer of 1 to 6, and y is an integer of 0 to 20: in which each of R 3 and R 4 is an aliphatic hydrocarbyl group and a total carbon atom number of R 3 and R 4 is in the range of 3 to 45, under the condition that a carbon atom number of R 3 is larger than a carbon atom number of R 4 by 3 or a carbon atom number of R 3 is smaller than a carbon atom number of R 4 by 1; wherein each of R