Quiescent Bulk Polymerization Monomer Casting

FIGURE 5.2 Continuous casting of polyfmethyl methacrylate) sheet. (Data from Opel, C. J., and P. H. Bottoms, US Patent 3,376,371, Swedlow, Inc., 1968.) 

SO the products are not identical. Sheet thickness for the continuous casting process usually is limited to the range of 2-12 mm [7], An example described in the original patent [8] used a belt that was 41 m long and 1.4 m wide. The two successive temperature zones were maintained at about 70° and 105°C, and the belt moved at 1 m/min. 

---