| abstract |
A process for preparing a cured resin which comprises curing a specific cyanic acid ester or its prepolymer containing a triazine ring and having a molecular weight of 400 to 6,000 in the presence of a specific catalyst selected from imidazoles such as 2-methyl imidazole, 2-phenyl imidazole or 2-ethyl-4-methyl imidazole and imidazole adducts such as trimellitic acid adducts of the above exemplified imidazoles. |