| abstract |
A method for producing a sheet structure comprising a first polycarbonate layer comprising a UV absorbing compound and a second polycarbonate layer, comprising: (i) a medium such as trimellitic acid ester or low molecular weight acrylic and a UV absorbing additive. Selecting a liquid formulation to include; and (ii) mixing the liquid formulation with polycarbonate, for example, in an extruder when the first polymeric material is in a molten state. |