| 摘要 |
<p>The use of a reaction product of a natural oil, a natural fat, a composition comprising natural or synthetic C10 - C20 fatty acids, or mixtures thereof, and a linear nitrogen compound substituted by one or two alkyl, alkaryl, aralkyl or aryl groups, or a cyclic nitrogen compound containing at least one nitrogen atom wherein each nitrogen atom is substituted by one alkyl, alkaryl, aralkyl or aryl group, or a cyclic nitrogen compound containing at least one nitrogen atom and one adjacent carbonyl group and wherein each nitrogen atom is substituted by one alkyl, alkaryl, aralkyl or aryl group, is disclosed. Compositions comprising the reaction product in amounts of 1 - 30 wt.% are useful as cleansing and washing agents in the printing industry, in particular for the removal of inks, dyes, paints, scales and haze from printing screens and printing devices.</p> |
