| abstract |
PURPOSE: To obtain the titled compound having high boiling point, low viscosity, low pour point, and excellent electrical characteristics and chemical stabilitiy, by thermally reacting m-xylene with formaldehyde at a specific ratio in the presence of a specific amount of p-toluenesulfonic acid as an acid catalyst. n CONSTITUTION: A polybenzyl-type oligomer is produced by reacting 1mol of formaldehyde with 3W8mol of m-xylene in the presence of an acid catalyst comprising 0.1W3mol of p-toluenesulfonic acid. n USE: Plasticizer, diluent for epoxy resin, heat medium, insulation oil, etc. n COPYRIGHT: (C)1985,JPO&Japio |