Laminated film

The laminated film with a cured resin layer (A) and (B) structure addresses flexibility and abrasion resistance issues in surface protection films, achieving over 200,000 bending cycles and resisting scratches while minimizing interference fringes.

JP7885584B2Active Publication Date: 2026-07-07MITSUBISHI CHEM CORP
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
MITSUBISHI CHEM CORP
Filing Date
2022-05-20
Publication Date
2026-07-07

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Patent Text Reader

Abstract

To provide a new laminated film that ensures proper flexibility of a hard coat layer, while offering practical repeated bendability and scratch resistance, and also makes interference fringes less noticeable.SOLUTION: A laminated film has a base film on which a curable resin layer (A) and a curable resin layer (B) are laminated. The curable resin layer (A) is a cured product of a curable resin composition that includes (a) a binder, (b) a crosslinker and (c) particles. The curable resin layer (B) is a cured product of a curable resin composition that includes (X) urethane methacrylate and (Y) inorganic oxide fine particles with an average particle size of 5-50 nm. The (a) binder includes a compound with a fused polycyclic aromatic structure.SELECTED DRAWING: None
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