The Effect of Aromatic Hydrocarbons on the Oxidation Stability of Squalane (Part 2)

Abstract

The co-oxidation of model compounds of aromatic hydrocarbon with squalane was carried out to investigate the effect of aromatic hydrocarbons on the oxidation stability of squalane. The kinetic parameters for the co-oxidation of some combinations with squalane were determined. The reactivity of squalane peroxy radical is nearly the same as that of cumyl peroxy radical, whereas the estimated value of 2kt for squalane peroxy radical is considerably larger than that for simple tertiary peroxy radicals. From this result, it should be considered that so-called "Optimum Aromaticity" could never occur in the co-oxidation with squalane. Actually, the effect of "Optimum Aromaticity" does not occur at all in the present work as expected.