Patent ID: 6986946

Claim:
A transparent synthetic resin laminate with photochromism property consisting essentially of two transparent synthetic resin sheet layers and a photochromic layer interposed between said two transparent synthetic sheet layers, wherein the transparent synthetic resin in said two transparent synthetic resin sheet layers, is, each the same or different, a polycarbonate resin or a polymethyl methacrylate resin and said photochromic layer is a cured polyurethane reaction product obtained from a first mixture consisting essentially of a polyurethane prepolymer with an isocyanate group on both ends obtained from a second mixture consisting of diisocyanate and polypropylene glycol, a curing agent consisting of a polyurethane polyol with a hydroxyl group on at least both ends obtained from diisocyanate and polyol, a photochromic organic compound and a solvent, adhering to each said two transparent synthetic resin sheet layers.