Patent ID: 8912293

Claim:
A resin composition comprising: an epoxy resin; and a hardener comprising a melamine compound of Formula I: wherein, R is the same with or different from each other and has the formula of R1 is independently selected from a group consisting of H, C1-C15 alkyl optionally substituted by an alkyl or alkoxy, C1-C15 alkoxy optionally substituted by an alkyl or alkoxy, C3-C15 cycloalkyl optionally substituted by an alkyl or alkoxy, C6-C20 aryl optionally substituted by an alkyl or alkoxy, C6-C20 aryloxy optionally substituted by an alkyl or alkoxy, and a dicyclopentadiene group; R2 is selected from a group consisting of C1-C15 alkyl optionally substituted by an alkyl or alkoxy, C1-C15 alkoxy optionally substituted by an alkyl or alkoxy, C3-C15 cycloalkyl optionally substituted by an alkyl or alkoxy, C6-C20 aryl optionally substituted by an alkyl or alkoxy, C6-C20 aryloxy optionally substituted by an alkyl or alkoxy and a dicyclopentadiene group; and m is 1 or 2, wherein the amount of the hardener is about 20 parts by weight to about 150 parts by weight per 100 parts by weight of the epoxy resin.