Sulfurized metal alkyl phenate compositions having a low...

Details Sulfurized metal alkyl phenate compositions having a low... Sulfurized metal alkyl phenate compositions having a low...

C - Chemistry, Metallurgy

08

L

C08L 61/14 (2006.01) C08G 8/28 (2006.01) C10M 145/20 (2006.01) C10M 159/20 (2006.01)

Patent

CA 2644252

Provided herein are sulfurized metal alkyl phenate compositions having a low alkyl phenol content. The sulfurized metal alkyl phenate compositions can be prepared by reacting a phenol compound of Formula (I) disclosed herein with an aldehyde to form a phenolic resin of Formula (II) disclosed herein and then by reacting the phenolic resin simultaneously with a metal base and a first sulfurizing agent. The sulfurized metal alkyl phenate compositions and the overbased sulfurized metal alkyl phenate compositions disclosed herein may be used as detergents for formulating lubricating oil compositions. The lubricating oil compositions disclosed herein have a reduced amount of the free phenol compound and a salt thereof.

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