| abstract |
A thermosetting resin composition polyfunctional cyanate ester resin composition comprising: n (I) a cyanate ester compound selected from the group consisting of a polyfunctional cyanate ester having at least two cyanate esters in its molecule, a prepolymer of such a cyanate ester and mixtures thereof; and n (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° C., and in which the portion having aromatic nuclei of 2-6 constitutes more than 50% is disclosed. |