Patent ID: 8389630

Claim:
A curable composition comprising a vinyl-based polymer (I) having one or more crosslinkable functional groups at a terminus on average, a nucleophilic agent (II) and an epoxy resin (III), wherein the molecular-weight distribution of said vinyl-based polymer (I) is less than 1.8, the crosslinkable functional group of said vinyl-based polymer (I) is a group having a polymerizable carbon-carbon double bond, said vinyl-based polymer (I) is a polymer produced by living radical polymerization, and said vinyl-based polymer (I) comprises a main chain formed from at least one vinyl-based monomer selected from the group consisting of (meth)acrylic acid, methyl(meth)acrylate, ethyl(meth)acrylate, n-propyl(meth)acrylate, isopropyl(meth)acrylate, n-butyl(meth)acrylate, isobutyl(meth)acrylate, tert-butyl (meth)acrylate, n-pentyl(meth)acrylate, n-hexyl(meth)acrylate, cyclohexyl(meth)acrylate, n-heptyl(meth)acrylate, n-octyl(meth)acrylate, 2-ethylhexyl(meth)acrylate, nonyl(meth)acrylate, decyl(meth)acrylate, dodecyl(meth)acrylate, phenyl(meth)acrylate, tolyl(meth)acrylate, benzyl(meth)acrylate, 2-methoxyethyl(meth)acrylate, 3-methoxybutyl(meth)acrylate, stearyl(meth)acrylate, glycidyl(meth)acrylate, γ-(methacryloyloxypropyl)trimethoxysilane, an ethylene oxide adduct of (meth)acrylic acid, trifluoromethylmethyl(meth)acrylate, 2-trifluoromethylethyl(meth)acrylate, perfluoroethylmethyl(meth)acrylate, 2-perfluoroethylethyl(meth)acrylate, perfluoroethylperfluorobutylmethyl(meth)acrylate, 2-perfluoroethyl-2-perfluorobutylethyl(meth)acrylate, perfluoroethyl(meth)acrylate, perfluoromethyl(meth)acrylate, diperfluoromethylmethyl(meth)acrylate, 2,2-diperfluoromethylethyl(meth)acrylate, perfluoromethylperfluaroethylmethyl(meth)acrylate, 2-perfluoromethyl-2-perfluaroethylethyl(meth)acrylate, 2-perfluorohexylmethyl(meth)acrylate, 2-perfluorohexylethyl(meth)acrylate, 2-perfluorodecylmethyl(meth)acrylate, 2-perfluorodecylethyl(meth)acrylate, 2-perfluorohexadecylmethyl(meth)acrylate and 2-perfluorohexadecylethyl(meth)acrylate.