| 摘要 |
<p>The antiwear properties of synthetic ester lubricants intended for use at high temperatures (150 °C to 350 °C) are improved by adding to the lubricants a hydrocarbon insoluble, synthetic ester soluble, aryl diphosphate ester composition containing a major amount of an aryl diphosphate ester of formula (I) wherein Ar is unsubstituted or alkyl (C1-C12) substituted arylene and R is unsubstituted or alkyl (C1-C12) substituted aryl.</p> |
