Patent ID: 9696473
Date: 2017-07-04
CPC Classifications: B32B,G02B

Claim:
1. A laminate comprising: an unstretched polymer film; and an unstretched polyvinyl alcohol-based film attached to at least one surface of the polymer film, wherein the laminate satisfies the following Equations (1) and (2): in Equations (1) and (2), E wherein the modulus of the polymer film is 50 MPa to 4,000 MPa, and the thickness is 20 μm to 100 μm, wherein the modulus of the polyvinyl alcohol-based film is 50 MPa to 4,000 MPa, and the thickness is 10 μm to 60 μm, and wherein the unstretched polymer film comprises a thermoplastic polyurethane-based resin.