| 摘要 |
A FOOD GRADE AND OR ENVIRONMENTALLY FRIENDLY LUBRICANT BASE OIL COMPRISE A FRACTIONATED PALM OIL DERIVATIVE, KNOWN AS A PALM OLEIN, A PALM KERNEL OIL AND A AUXILIARY MATERIAL OF SATISFACTORY OXIDATIVE STABILITY AND LUBRICITY IS DISCLOSED. THE AUXILIARY IS PREFERABLY AN ESTER DERIVED FROM NATURALLY OCCURRING PALM OIL AND USED PALM OIL. IT MAY BE ALKYL ESTERS OR MONOESTERS (STRAIGHT CHAIN OR BRANCHED CHAIN).
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