Composition containing polycarbonate and specified small amount of diphenyl carbonate, prepared from bisphenol and diaryl carbonate by ester exchange, is used for making laminate, e.g. massive or multiwall panel for glazing

摘要

Composition (I) containing polycarbonate and 50-300 ppm by weight of diphenyl carbonate is claimed. Independent claims are also included for the following: (1) production of (I) by producing the polycarbonate from bisphenol and diaryl carbonate by ester exchange; (2) laminate with layer(s) A of polycarbonate or polyester-carbonate and layer(s) B of composition (I); (3) production of the laminate by co-extrusion of the materials of layers A and B.