| 摘要 |
The invention relates to the use of compounds of formula (1) as lubricants, said compounds being in quantities of 0.001 to 5 wt. % in aqueous solution in relation to the final lubricant. R<1> means a linear or branched C8-C22-alkyl oralkenyl, R<2> means hydrogen, a radical of formula -(A-O)x-H or a radical of formula -R<3>-N[(A-O)xH]2, A representing C2-C4-alkylene, R<3> means a linear or branched C1-C8-alkylene and R<4> and R<5> either both mean hydrogen or both mean a radical of formula -(A-O)x-H, x being a whole number from 1 to 10 in each case, with the requirement that the compounds of formula (1) contain at least 2 groups of formula (A-O).
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