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1. (WO2017038957) PHOTOCHROMIC COATING COMPOSITION

Pub. No.:    WO/2017/038957    International Application No.:    PCT/JP2016/075739
Publication Date: Fri Mar 10 00:59:59 CET 2017 International Filing Date: Sat Aug 27 01:59:59 CEST 2016
IPC: G02B 5/23
G02C 7/10
Applicants: TOKUYAMA CORPORATION
株式会社トクヤマ
Inventors: MORI Katsuhiro
森 力宏
SHIMIZU Yasutomo
清水 康智
MOMODA Junji
百田 潤二
Title: PHOTOCHROMIC COATING COMPOSITION
Abstract:
Provided is a photochromic coating composition that includes: a polyrotaxane (A) having a complex molecular structure comprising an axle molecule and a plurality of cyclic molecules enclosing the axle molecule; a photochromic compound (B); and a polyurethane resin and/or a precursor thereof (C). This composition provides a laminate that exhibits excellent photochromic properties (optical density and fading speed), formability, and surface hardness.