| 摘要 |
PROBLEM TO BE SOLVED: To provide a polylactic acid-based resin having molten tension suitable for a variety of molten molding, particularly foam molding.SOLUTION: In a polylactic acid-based resin in which a polylactic acid (A) and a hydroxy modified polymer (B) are bonded together via a covalent bond, a number average molecular weight of the (B) is 4000-60000, a number average molecular weight of the (B) per hydroxy group is 50-4000, and a mass ratio of (A)/(B) is 99.99/0.01-97/3. |
