| 摘要 |
Alcohol-containing fuels are rendered non-corrosive by addition of a phosphoric acid diester or salt thereof preferably together with a further anticorrosive agent and further additives such as acid regulators, nonionic surfactants, mild oxidising agents and agents to prevent crust formation, the additive being of formula I <IMAGE> in which R is C1-20alkyl; R1 is C1-20alkyl; n is 2 or 3; x is 1 to 15; and M is hydrogen, an alkali metal cation, an ammonium or substituted ammonium ion or one equivalent of an alkaline earth metal or zinc cation. |
