POLY METHYL METHACRYLATE SHEET WITH THE EXCELLENT ULTRAVIOLET RAY SHIELDING PROPERTY, CAPABLE OF APPLYING TO A TRANSPARENT SOUNDPROOF WALL

摘要

PURPOSE: A poly methyl methacrylate sheet is provided to shield ultraviolet rays by forming the ultraviolet ray shielding property on a poly methyl methacrylate resin layer, and to prevent skin cancer.;CONSTITUTION: A poly methyl methacrylate sheet contains the following: 96~99wt% of poly methyl methacrylate resin; 0.3~2wt% of ultraviolet ray-absorbing agent formed with compounds selected from the group consisting of a benzotriazole based compound, a hindered amine based compound, a benzophenone based compound, and a salicylate based compound; and 0.1~2wt% of antioxidant.;COPYRIGHT KIPO 2011