Patent ID: 11926140
Assignee: NITTO DENKO CORPORATION
Field: Surface technology, coating (Chemistry)
Classification: CPC B  C | IPC B  C

Claim 1:
2. The glass roll with resin film as recited in claim 1, wherein a slip constant S of the glass roll with resin film is 2×10−16 or less, wherein the slip constant S is obtained from the following formula: S≡ασ, where
α represents a slipperiness (m2/GPa/48 h) of the adhesive calculated by the following formula: α=a/F (where: F represents the tensile shear load per unit area of the adhesive (GPa/m) applied to the resin film; and a represents the creep amount (m) of the adhesive), and
σ represents a bending stress (GPa) of the glass film calculated by the following formula:, σ
  =
  
    
      
        E
        g
      
      ⁢
      
        t
        g
      
    
    
      2
      ⁢
      
        
      
      ⁢
      ρ, (where: Eg represents the Young's modulus (GPa) of the glass film; tg represents the thickness (μm) of the glass film; and ρ represents a curvature radius (mm) centered at a thickness-directional center of the glass roll).