摘要:
The invention relates to the use of at least one additive in order to increase the thermal stability of a hydrocarbon composition, said additive being the product of the condensation reaction between at least one alkenyl succinic or alkyl succinic anhydride I and a primary amine II. The invention also relates to a composition comprising the aforementioned additive, an anti-oxidant and a metal deactivator and to fuels containing same.
摘要:
The invention concerns a multifunctional additive enabling fuels to be operable in cold conditions, consisting of copolymers of at least a dicarboxylic compound with at least an olefin, and whereon are grafted nitrogenous functions and/or esters of general formula (I) wherein: R1 and R2, and R4 and R5, R3 and R6 are hydrogen or alkyl radicals, and x is selected among the amine salts and N-alkylpolyalkylenepolyamines and their monohydroxylated and polyhydroxylated derivatives, N-alkylpolyalkylenepolyamine alkylesters and esters, and alkylamines and N-alkylpolyalkylenepolyamines.
摘要翻译:本发明涉及一种多功能添加剂,其使得燃料在冷的条件下可操作,由至少二羧基化合物与至少一种烯烃的共聚物组成,并且是其中的接枝的含氮官能团和/或通式(I)的酯,其中: R 1,R 2和R 2,R 4和R 5,R 3和R 3 六价铵是氢或烷基,x选自胺盐和N-烷基聚亚烷基多胺及其单羟基化和多羟基化衍生物,N-烷基聚亚烷基多胺烷基酯和酯,以及烷基胺和N-烷基聚亚烷基多胺。