| abstract |
(57) [Summary] [Purpose] Providing a lightweight, heat-insulating, highly safe laminated glass that can be suitably used as a window glass for high-rise buildings and vehicles whose surface is made of polycarbonate and whose central part is made of polycarbonate [Constitution] Basic A laminated glass having at least a five-layer structure consisting of glass / polyvinyl butyral / polycarbonate / polyvinyl butyral / glass, A laminated glass characterized in that the polycarbonate of the intermediate layer is a polycarbonate having a weight average molecular weight of 35,000 or more. |