FIELD: fuel industry.
SUBSTANCE: invention relates to an aminopolymer, a method for production thereof, use of an amine polymer as a detergent for liquid fuel, a detergent and a liquid fuel composition. Amine polymer has formula (IIA) given below, in which R0 is selected from hydrogen atom, linear or branched C5-15-alkyl and phenyl, substituted with one or more linear or branched C5-15-alkyl groups; Ru are identical or different from each other and are independently selected from -CH2-CH2- and -CH2-CH(CH3)-, polyester main chain comprises at least part of links ; "y" denotes an average degree of polymerisation of the polyester segment
and is value between 1 and 50; Link means a single bond or a linear or branched C1-4-alkylene; R1 and R2 identical or different from each other and independently selected from hydrogen atom or linear or branched C1-4-alkyl; R3 or R4 identical or different from each other and independently selected from hydrogen atom or linear or branched C1-4-alkyl; R6 or R7 identical or different from each other and independently selected from a hydrogen atom, optionally substituted linear or branched C1-4-alkyl and
, where R8 are identical or different from each other, and are independently selected from linear or branched C2-6-alkylene; R9 identical or different from each other and independently selected from hydrogen atom or linear or branched C1-4-alkyl; R10 is selected from a hydrogen atom or a linear or branched C1-4-alkyl; "q" has values of 1, 2, 3 or 4; "a" has values of 1, 2 or 3; R' is a single bond; R5 is selected from a hydrogen atom or a linear or branched C1-4-alkyl. Method of producing the amine polymer involves oxidation of the alkenyl polymer using an oxidising agent. Oxidation product is then aminated with an aminating agent. Detergent contains 10–70 wt % aminopolymer and a diluent selected from polyolefin, mineral base oil, polyester and mixtures thereof. Liquid fuel composition contains 30–2000 mg/kg of washing additive.
(IIA).
EFFECT: invention enables to obtain a detergent with improved charcoal formation inhibition characteristics.
9 cl, 1 tbl, 16 ex, 7 dwg
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Authors
Dates
2020-09-04—Published
2016-11-28—Filed