| 摘要 |
PROBLEM TO BE SOLVED: To provide a composition containing a polylactic acid, excellent in flexibility, also heat resistance and transparency, and having a good processability. SOLUTION: This polylactic acid composition consists of (A) a polylactic acid obtained by arranging the L-lactic acid units and D-lactic acid units at random and having≥50,000 weight-average molecular weight, and (B) the polylactic acid obtained by arranging the L-lactic acid blocks and the D-lactic acid blocks at random and having≥20,000 weight-average molecular weight, and has≤50°C glass transition point. COPYRIGHT: (C)2007,JPO&INPIT
|
