| abstract |
(57) [Summary] (Modified) [Purpose] To strengthen the surface of plastic products. [Structure] A coating layer 28 is coated on the plastic substrate 22. In a highly preferred aspect, the plastic substrate is a constant velocity joint boot molding 20 made from chloroprene or polyester elastomer. This coating layer is made from a mixture of prepolymers, monomers, hardeners, catalysts and graft polymerization initiators and is grafted to chloroprene or polyester elastomers. |