Compounds in which a phenolic moiety is linked to a polyamine moiety by means of a Mannich base linkage, and the polyamine moiety is linked to an alkylene-poly(oxyalkylene) moiety by means of a urea linkage in which one of the nitrogen atoms of the urea linkage is a nitrogen atom of the polyamine, are useful as detergent/dispersants in fuels and other media.
酚分子通过曼尼希碱连接方式与
多胺分子连接,
多胺分子通过
脲连接方式与亚烷基-聚(氧烷基)分子连接,其中
脲连接的氮原子之一是
多胺的氮原子的化合物可用作燃料和其他介质中的清净剂/分散剂。