Alkylated diaryl amines further substituted by an alkoxy group on one or more aryl carbon atoms exhibit excellent antioxidant activity in lubricant compositions.

Alkylated diaryl amines further substituted by an alkoxy group on one or more aryl carbon atoms exhibit excellent antioxidant activity in lubricant compositions.

Certain alkylated 3-hydroxyphenylamine antioxidants wherein one phenyl is substituted by at least one hydroxyl group at the 3-position relative to the amine and the other phenyl is substituted by at least one substituent having 4 or more carbon atoms are surprisingly effective antioxidants, especially in lubricating oils.

Certain alkylated 3-hydroxyphenylamine antioxidants wherein one phenyl is substituted by at least one hydroxyl group at the 3-position relative to the amine and the other phenyl is substituted by at least one substituent having 4 or more carbon atoms are surprisingly effective antioxidants, especially in lubricating oils.

The present disclosure relates to conveyor lubricant compositions including an emulsion. The present disclosure also relates to methods of employing such lubricant compositions. In an embodiment, the methods include applying the present lubricant composition to a conveyor with a non-energized nozzle. In an embodiment, the methods include applying the present lubricant composition in a semi-dry mode.

Provided is a lubricating oil composition for internal combustion engines capable of exhibit a sufficient friction-reducing effect from a low-temperature range assuming engine starting to a practical temperature range of 80 C. or higher. The lubricating oil composition for internal combustion engines contains a surfactant having an alkylene oxide as the constituent unit and having an HLB value of 7 or more and less than 15, and a lubricant base oil.

Provided is a lubricating oil composition for internal combustion engines capable of exhibit a sufficient friction-reducing effect from a low-temperature range assuming engine starting to a practical temperature range of 80 C. or higher. The lubricating oil composition for internal combustion engines contains a surfactant having an alkylene oxide as the constituent unit and having an HLB value of 7 or more and less than 15, and a lubricant base oil.

A PIB derivative suitable for use as a fuel additive or lubricant additive prepared from a reactive low molecular weight polyisobutylene composition comprising at least 50 mol percent alpha vinylidene terminated polyisobutylene molecules, the composition having a polydispersity of no more than 1.5 and a number average molecular weight of at least 500 Daltons and no more than 1000 Daltons. The derivative is selected from the group consisting of: alkyl hydroxyaromatic compounds; alkyl alkoxy aromatic compounds; polyisobutenylsuccinic anhydrides; polyisobutenylsuccinimides; PIB-amine compounds; sulfurized PIB compounds; and Mannich condensation products of an alkylated hydroxyaromatic compound.

A PIB derivative suitable for use as a fuel additive or lubricant additive prepared from a reactive low molecular weight polyisobutylene composition comprising at least 50 mol percent alpha vinylidene terminated polyisobutylene molecules, the composition having a polydispersity of no more than 1.5 and a number average molecular weight of at least 500 Daltons and no more than 1000 Daltons. The derivative is selected from the group consisting of: alkyl hydroxyaromatic compounds; alkyl alkoxy aromatic compounds; polyisobutenylsuccinic anhydrides; polyisobutenylsuccinimides; PIB-amine compounds; sulfurized PIB compounds; and Mannich condensation products of an alkylated hydroxyaromatic compound.

A PIB derivative suitable for use as a fuel additive or lubricant additive prepared from a reactive low molecular weight polyisobutylene composition comprising at least 50 mol percent alpha vinylidene terminated polyisobutylene molecules, the composition having a polydispersity of no more than 1.5 and a number average molecular weight of at least 500 Daltons and no more than 1000 Daltons. The derivative is selected from the group consisting of: alkyl hydroxyaromatic compounds; alkyl alkoxy aromatic compounds; polyisobutenylsuccinic anhydrides; polyisobutenylsuccinimides; PIB-amine compounds; sulfurized PIB compounds; and Mannich condensation products of an alkylated hydroxyaromatic compound.