GRAFT COPOLYMER, RESIN COMPOSITION, COATING FILM, LAMINATE, AND TIRE

Provided is a graft copolymer having excellent flexibility, adhesiveness and fatigue resistance while having a high gas barrier property. In the disclosure, a synthetic rubber is introduced, as a graft chain, to a main chain of one or more types of resins selected from a group consisting of polyacrylic acid, polyamide resin, cellulosic resin, polyvinylalcohol resin, ethylene polyvinylalcohol resin, acrylate resin and urethane resin, via a terminal portion of the synthetic rubber.