FIELD: chemistry.
SUBSTANCE: invention relates to an antioxidant concentrate composition suitable for preventing the oxidation of a mineral oil that contains dibenzylhydroxylamine and at least one hindered phenol. The combination of an oxygen scavenger such as dibenzylhydroxylamine (DBHA) and hindered phenolic antioxidants forms an unstable hindered phenolic antioxidant system, effective when used as an antioxidant in mineral oils.
EFFECT: improved stability.
8 cl, 5 tbl, 24 ex
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