A resin composition comprises a polyphenylene sulfide resin and a nylon resin having a .chi.-parameter of less than 1.3 at 25.degree. C., and has one glass transition temperature, and an image-forming apparatus comprises a latent-image supporting member, and an intermediate transfer member that supports a toner image transferred thereon from the latent-image supporting member, transfers the supported toner image onto an image receiving material, the intermediate transfer member comprising a polyphenylene sulfide resin and a nylon resin having a .chi.-parameter of less than 1.3 at 25.degree. C., and has one glass transition temperature