polymer gasoline[′päl·ə·mər ′gas·ə‚lēn]
polymer distillate, a high-octane component of fuels for piston engines with spark ignition.
Polymer gasoline is produced by catalytic polymerization of the propane-propylene and butylene fractions of gases from petroleum cracking and reforming. The onset of boiling for polymer gasoline is not below 70°C, and the termination of boiling is not above 225°C. The content of unsaturated hydrocarbons is 20–90 percent, with a relatively low content of paraffin, naphthene and, in particular, aromatic hydrocarbons. The octane number of hydrogenated polymer gasoline with 3.3 g tetraethyl lead per kilogram is not less than 104. Inhibitors (antioxidants) are added to stabilize polymer gasolines and commercial fuels containing this component.
REFERENCESTekhnicheskie usloviia na nefteprodukty. Moscow, 1969.
Gureev, A. A. Primenenie avtomobil’nykh benzinov. Moscow, 1972.