| 摘要 |
<p>Turbine Oil Compositions A lubricating oil composition, particularly suitable for use in steam turbines or gas turbines, is disclosed. The turbine oil composition comprises a major amount of a mineral or synthetic hydrocarbon base oil and an effective amount of a combination of the following materials: triphenyl phosphite or a trialkyl-substituted phenyl phosphite; diphenylamine or alkylated diphenylamine; phenyl .alpha.-naphthylamine, phenyl .beta.-naphthylamine, alkyl or alkaryl substituted phenyl .alpha.-naphthylamine, or alkyl or alkaryl substituted phenyl .beta.-naphthylamine; benzotriazole or alkyl-substituted benzotriazole; partial ester of alkyl or alkenyl succinic anhydride. In a preferred aspect, the turbine oil composition contains additionally an effective amount of a copolymer of N-vinyl-2-pyrrolidone and an .alpha.-olefin.</p> |
