| 摘要 |
PURPOSE:To obtain the titled substance, by reacting an alkylbenzene with a styrene by the use of a cation exchange membrane as a catalyst to give a mixture containing a styrene oligomer and a styrene-alkylbenzene adduct and hydrogenating the double bonds in the mixture with high-pressure hydrogen. CONSTITUTION:An alkylbenzene is reacted with a styrene by the use of a cation exchange membrane as a catalyst to give a mixture of an oligomer of dimer-tetramers of the styrene and a styrene-alkylbenzene adduct and then the polymerizable double bond in the mixture is treated with high-pressure hydrogen in the presence of a catalyst (e.g., Raney Ni) at 50-100 deg.C to give the titled colorless, odorless substance. The cation exchange membrane used as the catalyst has a SO3H group and the amount of it used is preferably >=0.1wt% based on the styrene. The prepared high-boiling hydrocarbon is optionally distilled, divided into a component having 300+ or -20 deg.C boiling point and a component having 400-430 deg.C boiling point. The former is usable for a high- boiling solvent, an electrical insulating oil, etc., and the latter is useful as a high-temperature heating medium. |
