THERMOSETTING RESIN COMPOSITION

摘要

THERMOSETTING RESIN COMPOSITION A thermosetting resin composition polyfunctional cyanate ester resin composition comprising: (I) a cyanate ester compound selected from the group consisting of a polyfunctional cyanate ester having at least two cyanato groups in its molecule, a prepolymer of such a cyanate ester and mixtures thereof; and (II) at least one non-branched aromatic compound in an amount of 5 - 40% by weight of the total resin composition, said aromatic compound having a number-average molecular weight of 178 - 800, an average number of aromatic nuclei of 2 - 6, and a boiling point of more than 300.degree.C, and in which the portion having aromatic nuclei of 2 - 6 constitutes more than 50% is disclosed.