| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polycarbonate/polydiorganosiloxane copolymer having both fluidity and flame retardancy and excellent in transparency. <P>SOLUTION: The polycarbonate/polydiorganosiloxane copolymer has an aggregation structure with polydiorganosiloxane domains dispersed in a matrix of a polycarbonate polymer, the polydiorganosiloxane domains have an average size of 5-40 nm and a normalized dispersity of≤40%, and the copolymer has a viscosity average molecular weight of 1.60×10<SP>4</SP>-2.20×10<SP>4</SP>and a structural viscosity index (N) of 1.55-1.80. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
