| 摘要 |
<p>PCT No. PCT/SE92/00701 Sec. 371 Date Mar. 24, 1994 Sec. 102(e) Date Mar. 24, 1994 PCT Filed Oct. 7, 1992 PCT Pub. No. WO93/07241 PCT Pub. Date Apr. 15, 1993.The process of providing functional fluids with at least one of corrosion inhibiting ability or defoaming properties, including adding to a functional fluid a triethanolamine product mixture containing a major part (at least 50%, preferably from 60-90%) by weight of at least one triethanolamine; a minor part (preferably from 10-40%) by weight of diethanolmono-C3-4-alkanolamine and monoethanoldi-C3-4-alkanolamine; and less than 1% by weight of a mixture of diethanolamine and monoethanolamine. Preferably the functional fluid is an aqueous metal working fluid.</p> |
