| 摘要 |
1512602 Polcarbonate moulding compositions BAYER AG 17 Feb 1976 [18 Feb 1975] 6161/76 Heading C3R A moulding composition comprises a polycarbonate and, as mould release agent, a perfluoroalkane sulphonic acid amide or a cyclic iminium salt of a perfluoroalkane sulphonic acid. The mould release agent is preferably present in an amount of from 0À001 to 1% by weight, based on the polycarbonate. The Examples describe compositions comprising a polycarbonate derived from bisphenol A, optionally with glass fibres of specified dimensions, and N-methyl-perfluorooctanesulphonamide or N - methyl - pyridinium perfluorobutane sulphonate. |
