| abstract |
(57) Abstract: An object of the present invention is to provide a cyanoacrylate-based curable composition containing a vinyl polymer having an acrylic functional group at a terminal to provide a conventional hard and brittle 2-cyanoacrylate-based curable composition. It is an object to impart flexibility to a cyanoacrylate-based curable composition. The present invention relates to a curable composition comprising a vinyl polymer (I) having at least one group represented by the general formula 1 per molecule at a molecular terminal and a cyanoacrylate compound as main components. . -OC (O) C (R) = CH 2 (1) (wherein, R represents hydrogen or an organic group having 1 to 20 carbon atoms.) The polymer main chain of the vinyl polymer (I) Is produced by mainly polymerizing a monomer selected from the group consisting of, but not limited to, a meta (acrylic) monomer, an acrylonitrile monomer, an aromatic vinyl monomer, a fluorine-containing vinyl monomer and a silicon-containing vinyl monomer. Preferably, it is |