| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polycarbonate resin whose material is taken from a recyclable resource excellent in the heat resistance, thermal stability, and easiness to execute the molding process. <P>SOLUTION: The copolymerized polycarbonate resin contains carbonate structural units given by formula (1) and carbonate structural units derived from aliphatic-diol having a boiling point of 180°C under the vacuum 4×10<SP>-3</SP>MPa, characterized by that the carbonate structural units in the formula (1) occupy 50-99 mol.% of all carbonate structural units. <P>COPYRIGHT: (C)2009,JPO&INPIT |
