| 摘要 |
PURPOSE:To provide a rustproofing oil compsn. having an excellent rustproofing capability even in the presence of sea water, by adding an alkylarylsulfonic salt, a polyhydric alcohol ester of a fatty acid and lecithin to a mineral oil. CONSTITUTION:An alkylarylsulfonic salt, a polyhydric alcohol ester of a fatty acid and lecithin are added to a mineral oil to prepare a rustproofing oil compsn. It is pref. that the alkylarylsulfonic salt be derived from an alkylarylsulfonic acid having an MW of at least 470 and be a sodium, potassium, magnesium, calcium or barium salt. It is also pref. that the polyhydric alcohol ester of the fatty acid be derived from a fatty acid having at least 18 carbon atoms and a polyhydric alcohol selected from glycerin, sorbitan and pentaerythritol. |
