| 摘要 |
<p>PCT No. PCT/SE95/01081 Sec. 371 Date Mar. 26, 1997 Sec. 102(e) Date Mar. 26, 1997 PCT Filed Sep. 22, 1995 PCT Pub. No. WO96/10616 PCT Pub. Date Apr. 11, 1996The use of a mixture of at least one alkanolamide of general formula (I), RC(O)NH(A)nH, wherein R is a hydrocarbon group having 7-23 carbon atoms, preferably 11-23 carbon atoms, A is an alkyleneoxy group having 2-4 carbon atoms and n is 2-12, preferably 2-8, and at least one ionic surfactant selected from the group consisting of anionic, cationic, amphoteric and zwitterionic, in a proportion between the alkoxylated alkanolamide and the ionic surfactant from 100:1 to 1:2, preferably in the range from 50:1 to 1:1 for producing a water-base liquid system with reduced flow resistance between the flowing, water-base liquid system and a solid surface.</p> |
