Detergent additive and antibody for combustìveis and composition of combustìvel

摘要

Invention patent: b "detergent additive and anticorrosive for combustu00ecveis and composition of combustu00ecvel" d .The invention relates to a detergent additive and anticorrosive for fuel of engines, in particular diesel containing amide or imide functions.Characterized by the fact that is obtained by mixing 60 to 90% by weight of a compound, consisting of at least one poly (or alquenilcarboxu00edlico diacid anhydride.Average molecular weight between 200 and 3.000, 0.1 to 10% by weight of a compound B, consisting of at least one carboxylic acid compound, monou00e1cido or anhydride, containing from 1 to 6 carbon atoms per chain and from 10 to 30% of a compound (c),Consisting of at least one primary polyamine of general formula: H ~ 2 ~ n - [- (Chr ~ 1 ~ - (CH ~ 2 ~) ~ p ~ - Chr ~ 2 ~) ~ n ~ - NH] ~ m ~ - H, the molar ratios a / B / C corresponding to 1 / (0.1 to 1) / (1 to 3).A / B / C is never 1 / 1 / 1.