Title:
OPTICAL LAMINATED SHEET, OPTICAL ARTICLE, LENS, SPECTACLES, AND METHOD FOR MANUFACTURING OPTICAL LAMINATED SHEET
Document Type and Number:
WIPO Patent Application WO/2023/085051
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide an optical laminated sheet having excellent adhesion and appearance, a method for manufacturing the same, and an optical article, lens, and spectacles that include the optical laminated sheet. According to an embodiment of the present invention, an optical laminated sheet 1 is provided. The optical laminated 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, and bonds said sheets. The photochromic adhesive layer 4 includes a cured body of an adhesive composition including a photochromic compound, either a second prepolymer or a first polymer, and the second prepolymer or a third prepolymer.
Inventors:
MORI KATSUHIRO (JP)
Application Number:
PCT/JP2022/039379
Publication Date:
May 19, 2023
Filing Date:
October 21, 2022
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
G02B5/23; B32B7/12; B32B27/30; C09J175/04; G02B3/00; G02B5/30; G02C7/02; G02C7/10; G02C7/12
Domestic Patent References:
| WO2019163728A1 | 2019-08-29 |
Foreign References:
| JP2018514817A | 2018-06-07 |
Attorney, Agent or Firm:
KATO Ryuta et al. (JP)
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