To provide a practical bonding method highly reliable enough to stably permit firm bonding of a glass fiber-reinforced polypropylene molded article, and a bonded matter.
The method for bonding a fiber-reinforced plastic molded article comprises a step (1) of treating the surface of the glass fiber-reinforced polypropylene molded article with flame, a step (2) of coating the surface with a material containing at least one selected from the group A consisting of a chlorinated polyolefin, a chlorinated-polyolefin-modified acrylic polyol and a carboxyl group-containing chlorinated polyolefin, a step (3) of coating the surface obtained by the step (2) with an isocyanate-based primer and a step (4) of coating the surface obtained by the step (3) with a material containing at least one selected from the group B consisting of an isocyanate rubber-based adhesive, a polyol isocyanate-based adhesive and an isocyanate-modified polymer adhesive. The bonded matter is also provided.
IWATA TERUHIKO
ISHIKAWA ATSUHIRO
