PHOTOCHROMIC COMPOSITIONS AND PHOTOCHROMIC FILMS
First Claim
1. A photochromic composition comprising multifunctional (meth)acrylate-based monomers having two or more functional groups, a photochromic dye and an aromatic vinyl compound, wherein the content of the aromatic vinyl compound is more than 30% by weight and 70% by weight or less.
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Abstract
The present invention relates to a photochromic composition comprising multifunctional (meth)acrylate-based monomers having two or more functional groups, a photochromic dye and an aromatic vinyl compound, in which the content of the aromatic vinyl compound is more than 30% by weight and 70% by weight or less, a photochromic film produced by using the same, and a method for producing the photochromic film.
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17 Claims
- 1. A photochromic composition comprising multifunctional (meth)acrylate-based monomers having two or more functional groups, a photochromic dye and an aromatic vinyl compound, wherein the content of the aromatic vinyl compound is more than 30% by weight and 70% by weight or less.
Specification