| abstract |
Disclosed herein are thermoplastic compositions comprising a combination of a polysiloxane-polycarbonate copolymer and a poly (aliphatic ester) -polycarbonate copolymer containing a soft block ester unit of formula (8a): (8a) At this time, m is 4 and to 18, wherein the thermoplastic composition at 300 ℃ under a 1.2 kg load and 6 minutes residence time of the ASTM D1238-04 predetermined melt volume rate 14 cm 3/10 min to 22 cm 3/10 minutes The ASTM D1003-00 predetermined percentage transmission of an article of 3.2 mm thickness, molded from the thermoplastic composition, is greater than 85%, and 100 of the specimen fabric consisting of five articles, each 3.2 mm thick, molded from the thermoplastic composition. % Indicates ductile failure at −40 ° C. when notched Izod strength according to ASTM D256-04. Also disclosed is an article containing the thermoplastic composition. |