Dicyclopentadiene dioxide was hardly cured by amines or acid anhydrides alone

but can be well cured by acid anhydrides mixed with alcohols. The curing process using different amounts of maleic anhydride and glycerol were studied

and the influence on gel time and temperature-deformation curve were determined. Although dicyclopenta-diene dioxide is a diepoxide compound

the cured resin formed a more rigid molecular chain

therefore a plastic which shows no glass transition point before the decomposition temperature (ca. 300°)may be obtained under optimum amount of curing agent and proper curing conditions.