| 摘要 |
PURPOSE:To provide a lubricant containing a specific N<omega>-long-chain monoacyl basic amino acid and suitable for the lubrication, cutting, grinding, pressing, drawing, rust-prevention, etc., of the contacting surface of a rotating machine or an apparatus having movable part, e.g. a metal cutting machine, automobile, engine, hydraulic press, etc. CONSTITUTION:The objective lubricant contains the N<omega>-long-chain monoacyl basic amino acid having a 8-22C (un)saturated aliphatic acyl group [e.g. caprylol, lauroyl, palmitoyl, stearoyl, (hardened) beef tallow acyl, cocoyl, beheyl, etc.]. The amino acid can be produced easily by introducing a hydrophobic acyl group to an alpha,omega-basic amino acid such as lysine, ornithine, etc. EFFECT:It provides a solid lubricant having excellent smoothness, heat-resistance, oxidation-resistance and adhesivity to metal surface or a grease and liquid lubricant, etc., having high extreme-pressure property and antiseizure effect. |
