| 摘要 |
Thermoplastic aromatic polycarbonate molding compositions with improved flame retardancy which contain an alkali metal salt of an organic or inorganic acid and optionally a perfluoroethylene, characterized in that they contain a tetrahalogenophthalimide of the general formulae (I) or (II) or mixtures thereof <IMAGE> wherein R denotes a hydrogen atom or a C1 to C4 l alkyl, C6H5, C10H7, C6H4X, C6H3X2 or C6H2X3 group, in which X denotes a fluorine, chlorine or bromine atom, R' denotes a single bond or a C2 to C4 alkylene, C6H4 or p-diphenylene radical, and Z denotes a chlorine or bromine atom, are provided. |
