PHOTOCHROMIC COMPOUND, CURABLE COMPOSITION CONTAINING THE PHOTOCHROMIC COMPOUND, AND PHOTOCHROMIC CURED BODY MADE OF THE CURABLE COMPOSITION

摘要

To provide a photochromic compound capable of developing excellent photochromic characteristics and of suppressing white turbidness of the cured body in various cured bodies.SOLUTION: A photochromic compound characterized by having an oligomer chain group that has an indenonaphtopyran site, and has three or more repeating units selected from an alkenyl group having 10 to 30 carbons, a polyalkylene oxide oligomer chain group, a polysiloxane chain group, and a polyester polyether oligomer chain group in the indenonaphtopyran site is provided.SELECTED DRAWING: None