| 摘要 |
PROBLEM TO BE SOLVED: To provide a manufacturing method of an adhesive sheet having adhesive strength and delamination strength, having flexibility and capable of repeated use.SOLUTION: There is provided a manufacturing method of an adhesive sheet having a porous foam layer, including processes for foaming an emulsion composition containing emulsion and a frother by using a mechanical froth method to form an expanded body and curing the expanded body, where the emulsion composition is made by mixing acrylic emulsion and ethylene vinyl acetate copolymer resin emulsion, the porous foam layer has self adhesiveness, adhesive strength (90° peel strength) is 1.0 N/24 mm or more and delamination strength is 2.0 N/12 mm or more.SELECTED DRAWING: None |
