| 摘要 |
Phosphorus-free and ashless high-temperature aircraft and turbo engine lubricant that contains no halogens or hazardous substances is disclosed. The phosphorus-free lubricating oil may be prepared from pentaerythritol tetraester, methylolpropane triester, or their combinations, ashless dithiocarbamate additives, a dialkydiphenylamine, an alkylphenylnaphthylamine, a triazole derivative, a rest inhibitor or metal deactivator, and an anti-foam. The use of this lubricating oil in addition to its superior wear and friction performance over the standard lubricating oil provides a safe and an environmentally benign gas turbine engine oil for aircraft and turbo engines.
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