Abstract:
One-Step and two-step isothermal sheet casting processes, using water and hot air systems, were compared for the production of poly(methyl methacrylate) (PMMA) sheets. The main objectives were 1) to assess the optimal conditions suitable for producing 3-mm thick PMMA sheets having acceptable physical and mechanical properties between the two systems, and 2) to assess whether the overall production time for each process can be reduced when compared with the current process used at Pan Asia Industrial, Co., Ltd. The mechanical properties of the PMMA sheets produced by the two-step isothermal process were found to be better than those produced by the one-step isothermal process. The two-step isothermal water-air process required shorter production time than the two-step isothermal hot air process.
