| 摘要 |
<p>1,244,014. Metal working lubricants. QUAKER CHEMICAL CORP 2 Oct., 1968 [5 June, 1968], No. 46866/68. Heading C5F. Metals are worked at 1600-2100‹ F. with a lubricant comprising a fatty acid modified alkyd resin, an oxyalkylene copolymer or a polyol ester of a C 12 -C 22 fatty acid, the polyol having 2-12 hydroxy groups. The lubricant may be dispersed in water and may contain mineral oil, silica, clay, fly ash, fuller's earth, graphite or talc.</p> |
