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Abstract
Investigations have been carried out converting hydrogenated cardanol, a compound extracted from cashew nutshell liquid, into compounds with structural characteristics of antioxidants similar to the ones used in product derived from petroleum. Thin-layer chromatography (TLC) analysis of the raw oil indicated that the major components were cardanol (66.7%), cardol (23.8%) and 2-methyl cardol (9.5%). The intended changes were carried out through exhaustive alkylation with n-butyl chloride. FTIR analysis confirms the formation of phenolic acid 2-n-butyl properties of the antioxidant produced. The performance of the product was estimated in terms of oxidative stabilization during storage of cracked naphtha. The compound 2-n-butyl pentadecylphenol (new antioxidant) has presented good efficiency in the storage assays when compared to the commercial additives used in the refinery.
Disclosure statement
No potential conflict of interest was reported by the author.