| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a resin material excellent in moldability and molded article appearance by adding a plasticizer having a specific structure to a polylactic acid resin imparting little environmental load. <P>SOLUTION: A composition contains 100 parts by weight of (A) a polylactic acid (A component) containing (A-1) a poly-L-lactic acid (A-1 component) composed mainly of an L-lactic acid unit and (A-2) a poly-D-lactic acid (A-2 component) composed mainly of a D-lactic acid unit and having a weight ratio of the A-1 component and the A-2 component in the range of 10:90 to 90:10, and 0.5 to 10 parts by weight of (B) a plasticizer (B component) represented by formula (1) wherein R<SB POS="POST">1</SB>is a 8-22C straight-chain or branched-chain alkyl group; R<SB POS="POST">2</SB>is a 1-3C alkyl group; n is an integer in the range of 5 to 20; AO is at least one selected from ethylene glycol, propylene glycol and butylene glycol, and may be homopolymerized or copolymerized. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
