Demulsifiers for mixtures of middle distillates with fuel oils of vegetable or animal origin

摘要

The invention provides fuel oils comprising a major proportion of a mixture of A) a middle distillate fuel oil, and B) a biofuel oil, and also a minor proportion of C) an oil-soluble copolymer of ethylene and at least 0.2 to 35 mol % of a further olefinically unsaturated compound which contains at least one free hydroxyl group, and which has an OH number of from 10 to 300 mg KOH/g.