| 摘要 |
A product obtainable by reacting: (i) a compound containing at least one primary or secondary amine group and at least one hydroxyl group; (ii) a polyamine containing at least two amine groups, which is different from (i), wherein at least one of the amine groups is a primary or secondary amine; (iii) an alkyl-substituted hydroxyaromatic compound; and (iv) at least one aldehyde, is useful in a hydrocarbon fuel as a detergent and also to enhance the lubricity of the fuel. |
