| 摘要 |
Provided is a process for preparing an artificial marble plate by reutilizing waste materials such as defective goods of conventional industrial highly light-transmissive polymethylmethacrylate based sheets, remnants produced during product-processing and the like, including polymethylmethacrylate based LCD light guide panels, having a refractive index of 1.47 to 1.53 and excellent optical characteristics wherein the polymer has an average molecular weight of 30,000 to 150,000.
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