Optical laminate sheet, optical article, lens, eyeglasses, and method for manufacturing optical laminate sheet
JP2024175156AInactive Publication Date: 2024-12-18TOKUYAMA CORP
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Patent Information
- Application Number
- JP2021183702
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2021-11-10
- Publication Date
- 2024-12-18
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
To provide: an optical laminate sheet having excellent adhesiveness and appearance; a method for manufacturing the same; and an optical article, a lens, and glasses each including the optical laminate sheet.SOLUTION: There is provided an optical laminate sheet 1 according to an embodiment. The optical laminate sheet 1 includes a first optical sheet 2, a second optical sheet 3, and a photochromic adhesive layer 4. The first and second optical sheets include a polyvinyl alcohol resin. The photochromic adhesive layer 4 is interposed between the first optical sheet 2 and the second optical sheet 3 to bond them together. The photochromic adhesive layer 4 includes a cured body of an adhesive composition including a photochromic compound, and a second prepolymer, or a first polymer and a second prepolymer or a third prepolymer.SELECTED DRAWING: Figure 1
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