| 摘要 |
<p>The invention relates to the use of substituted diureas, polyureas, bisurethanes, or polyurethanes of the formula R1X-CO-NR3R4, in which X represents R2N or O, and R1 to R4 represent hydrogen, alkyl groups, alkenyl groups, cycloalkyl groups, aryl groups, or aryl-alkyl groups independently of one another, wherein at least one variable must represent a group with at least four carbon atoms and the urea or urethane functionality must be present multiple times via bridge elements, in order to improve the use properties of mineral and synthetic nonaqueous industrial liquids.</p> |
