| 摘要 |
A light oil composition in which C10-24 paraffins have a composition satisfying the following formula (1-1) and which has a cloud point in gradual cooling of -6.0 DEG C or lower and a pour point of -7.5 DEG C or lower; and a light oil composition in which C10-24 paraffins have a composition satisfying the following formula (1-2) and the distillate amount E250 measured at a distillation temperature of 250 DEG C is 5-45% and which has a cloud point in gradual cooling above -6.0 DEG C. In the formulae (1-1) and (1-2), n is the number of carbon atoms in each paraffin and f(n) indicates that compositional parameter for a Cn paraffin which is represented by the formula (2). In the formula (2), n is an integer of 10-24, and a, b, and c indicate the proportions (in terms of molar proportion) of the Cn n-paraffin, Cn isoparaffin having one branch, and Cn isoparaffin having two or more branches, respectively, in all Cn paraffins. 340.0<=sigma[f(n)]<=400.0 (1-1); f(n)=27.45-3.55(b/a)-0.65(c/a) (2); 370.0<=sigma f(n)<=430.0 (1-2). |
