| 摘要 |
The invention concerns the use of an oil composition for temporarily protecting and lubricating metal surfaces, characterised in that said composition contains: at least 30% of at least a saturated or unsaturated C<SUB><=18 </SUB>fatty acid triglyceride (Compound A); 5 to 30% of at least a C<SUB><=18 </SUB>fatty acid triglyceride with oleic acid content of at least 60 wt. % (Compound B); 5 to 30% of at least an ester derived from condensation of a C<SUB>1</SUB>-C<SUB>12</SUB>, preferably, C<SUB>1</SUB>-C<SUB>2 </SUB>aliphatic alcohol, with a C<SUB><=18 </SUB>fatty acid (Compound C); and optionally 5 to 20% of at least an amide derived from condensation of a C<?img id="CUSTOM-CHARACTER-00001" he="3.13mm" wi="1.44mm" file="US06919302-20050719-P00900.TIF" alt="custom character" img-content="character" img-format="tif" ?><=18 ?fatty acid, and a C<SUB>2</SUB>-C<SUB>6 </SUB>mono- di- or tri-alkanolamine (Compound D). The invention also concerns a corresponding oil composition. |
