Method for producing naphthenic process oils, naphthenic process oil, rubber formulation, and tire.

摘要

Naphthenic process oils are produced by blending one or more naphthenic vacuum gas oils in one or more viscosity ranges with a high-ca. distilled aromatic extract feedstock to provide at least one blended oil, and hydrotreating the hair. least one blended oil to provide an improved ca-naphthenic process oil. The order of vacuum and blended distillation steps can be reversed.