Patent ID: 6166131
Filing Date: 2000-12-26
Classification: C08G,C08L,H01B

Abstract:
A modified phenolic resin molding material comprising a highly reactive modified phenolic resin and an epoxy resin, wherein said phenolic resin is prepared in a one-step process which comprises mixing a petroleum heavy oil or pitch with 0.3 to 10 mol of a phenol, 0.2 to 9 mol, in terms of formaldehyde, of a formaldehyde compound and 0.01 and 3.0 mol of an acid catalyst, each amount being based on 1 mol of the petroleum heavy oil or pitch calculated from an average molecular weight; andheating the resulting mixture with stirring, thereby to polycondensate the petroleum heavy oil or pitch, phenol and formaldehyde compound.