| 摘要 |
<p>Improved impact of shock resistant laminates are provided comprising a plurality of laminae including a back polycarbonate lamina of controlled thickness opposite the direction of impact or shock, a front polycarbonate lamina facing the direction of impact or shock, and at least one acrylic resin lamina intermediate said back and front polycarbonate laminae, said polycarbonate laminae having a relatively brittle overlayer or coating on the outer surfaces thereof opposite said intermediate acrylic based lamina. </p> |
