CPC G02B 1/041 (2013.01) [B32B 27/40 (2013.01); C08G 2/10 (2013.01); C08G 18/10 (2013.01); C08G 18/3206 (2013.01); C08G 18/4277 (2013.01); C08G 18/758 (2013.01); G02B 5/23 (2013.01); G02C 7/102 (2013.01); Y10T 428/31551 (2015.04)] | 19 Claims |
1. A photochromic polyurethane laminate comprising:
a crosslinked photochromic polyurethane host layer prepared from a composition comprising:
a polyurethane;
an isocyanate prepolymer;
a crosslinking agent comprising a blocked isocyanate with three or more functional isocyanate groups; and
a photochromic agent;
a first resin layer attached to a first side of the crosslinked photochromic polyurethane layer; and
a second resin layer attached to a second side of the crosslinked photochromic polyurethane layer.
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