| 摘要 |
An additive composition comprises a lubricity enhancer and a conductivity-- improving additive. The lubricity enhancer comprises a salt formed by the reaction of a carboxylic acid with di-n-butylamine and the conductivity improving additive comprises the combination of: (a) a polymeric condensation product formed by the reaction of an aliphatic aldehyde or ketone, or a reactive equivalent, with at least one ester of p-hydroxybenzoic acid with, (b) a copolymer, terpolymer or polymer of acrylic acid or methacrylic acid or a derivative thereof. |
