Miscibility of polycarbonate with poly(methyl methacrylate-co-cyclohexyl methacrylate)

Summary Miscibility of bisphenol-A polycarbonate, PC, with methyl methacrylate/cyclohexyl methacrylate, PMCHM, copolymers were examined by glass transition temperature and lower critical solution temperature, LCST, behavior. PMCHM copolymers were found to be miscible with PC at levels of below 4% or less of CHM in weight. Relatively small amount of the comonomer markedly raised phase separation temperature on heating. This result can be rationalized by intramolecular repulsion effect reported earlier.