FIELD: chemistry.
SUBSTANCE: invention relates to a set of diesel oil additives which contains calcium alkyl salicylate and a zinc salt of thiophosphoric acid esters, wherein the set further contains an ash-free succinimide dispersant, and the calcium alkyl salicylate is low-ash calcium alkyl salicylate having base number of 50-70 mg KOH/g and over-base calcium alkyl salicylate, having a base number higher than 300 mg KOH/g, with the following ratio of components, wt %: over-base calcium alkyl salicylate having base number higher than 300 mg KOH/g - up to 100; low-ash calcium alkyl salicylate, having base number of 50-70 mg KOH/g - 5-10; zinc salt of thiophosphoric acid esters - 13-25; ash-free succinimide dispersant - 5-15. The present invention also relates to diesel oil based on petroleum oil containing the set of additives.
EFFECT: set of additives and diesel oil containing said set, having higher hydrolytic stability and detergent properties.
2 cl, 5 ex, 3 tbl
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Authors
Dates
2014-02-20—Published
2013-01-11—Filed