| abstract |
(57) [Summary] [Purpose] To provide an excellent pressure-sensitive adhesive sheet that exhibits sufficient adhesive performance with a small amount of adhesive applied. [Structure] A pressure-sensitive adhesive sheet comprising a surface substrate, an undercoating agent layer, a pressure-sensitive adhesive layer, and a release sheet laminated, wherein the undercoating agent layer is modified with a resin layer containing polypropylene resin as a main component, or an alkyleneimine compound. A pressure-sensitive adhesive sheet formed from a resin layer containing the above acrylic ester copolymer as a main component. |