Laminated structure, method for dismantling the laminated structure, and adhesive composition

Abstract

To provide a technology that facilitates the dismantling and separation of each layer while maintaining the expected physical properties of the laminated structure. [Solution] This technology provides a laminated structure comprising a first member, a second member, and an adhesive layer for bonding the first member and the second member, wherein the adhesive layer is made of a solidified raw material mixture containing sodium silicate and an alkali-soluble adhesive. This technology also provides a dismantling method for dismantling the laminated structure, comprising an immersion step of immersing the laminated structure in water in order to dissolve the adhesive layer.

Claims

1. First member and The second member and The device comprises an adhesive layer for bonding the first member and the second member, The adhesive layer has a laminated structure consisting of a solidified raw material mixture containing sodium silicate and an alkali-soluble adhesive.

2. A third member capable of impregnating liquid is provided between the first member and the second member, The laminated structure according to claim 1, wherein the adhesive layer is formed by solidifying the raw material mixture while it is impregnating the third member and in contact with the first member and the second member, respectively.

3. A method for dismantling a laminated structure according to claim 1 or claim 2, A demolition method comprising an immersion step of immersing the laminated structure in water in order to dissolve the adhesive layer.

4. An adhesive composition comprising sodium silicate and an alkali-soluble adhesive.

Images