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Method of preparing a photochromic optical article using an organic solvent pretreatment and photochromic coating
Method of preparing a photochromic optical article using an organic solvent pretreatment and photochromic coating
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机译:使用有机溶剂预处理和光致变色涂层制备光致变色光学制品的方法
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摘要
A method of preparing a photochromic optical article is provided, which includes: (i) applying a first organic solvent to a surface of an optical substrate, thereby forming an organic solvent wetted surface on the optical substrate; and (ii) applying a curable photochromic coating composition over the organic solvent wetted surface of said optical substrate, thereby forming a curable photochromic coating layer over the surface of the optical substrate. The curable photochromic coating composition includes a second organic solvent, and the first and second organic solvents are miscible with each other. With some embodiments, the first and second organic solvents are the same.
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