A melt-processible blend comprising a methyl methacrylate-tribromophenyl maleimide copolymer and polycarbonate, the weight percent ratio of the copolymer to the polycarbonate being 1:99 to 99:1. The melt-processing blend may be used in a sky light, a window, a door, a laser read compact recording disk, a sign, an athletic playing field enclosure, and vehicle glazing.