Patent ID: 7247365

Claim:
A thermally transferable protective sheet, comprising: a protective layer comprising a peeling layer and an adhesive layer, wherein the protective layer is formed on at least one portion of one face of a substrate sheet, and wherein the protective layer is thermally transferable, and wherein the peeling layer is constituted by a resin selected from the group consisting of polyacrylonitrile, polyethylene, Nylon 6, polyester and vinyl chloride-vinyl acetate copolymer, and wherein the peeling layer resin has a refractive index of 1.5 or more to less than 1.55, and wherein the adhesive layer is constituted by a resin selected from the group consisting of polytetrafluoroethylene, vinylidene fluoride, polyvinyl acetate, acrylic resin and (meth)acrylate resin, and wherein the adhesive layer resin has a refractive index of less than 1.5; and wherein the peeling layer is applied and formed with an amount of coat in the range from 1.0 to 3.0 g/m 2 after dried and the adhesive layer is applied and formed with an amount of coat in the range from 0.5 to 2.0 g/m 2 after dried.