| 摘要 |
PROBLEM TO BE SOLVED: To provide a polylactic acid composition which is superior in molding processability and suitable for industrial production.SOLUTION: The polylactic acid composition is mainly composed of a polylactic acid component (A), wherein, with regard to the resin composition, the polylactic acid composition contains 95-99.99 wt.% of the polylactic acid component (A) and 0.01-5 wt.% of an α-hydroxycarboxylic acid component (B) other than lactic acid, and has a weight average molecular weight of 50,000-500,000 and a glass transition temperature in a temperature rising process of ≥60°C as measured with a differential scanning calorimeter (DSC). |
