アルキル化ジフェニルエーテル化合物および該化合物を含む潤滑油剤

摘要

A compound of the formula (2) wherein R3 and R4 are the same or different and are a branched hydrocarbon group having 10 to 26 carbon atoms, 42 to 100 mole % of the benzylic carbons of each R3 and R4 are quaternary, m and n are each a real number of at least zero, and 2.0≦̸m+n≦̸3.0.