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.
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 R1 is a 8-22C straight-chain or branched-chain alkyl group; R2 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.
MITSUNAGA MASAKI
HATTORI RYOHEI
KITAMURA TAKURO
ENDO KOHEI
TEIJIN LTD
JP2010132871A | 2010-06-17 | |||
JP2005336448A | 2005-12-08 | |||
JP2010132871A | 2010-06-17 |
WO2009145778A1 | 2009-12-03 | |||
WO2010053167A1 | 2010-05-14 | |||
US6127512A | 2000-10-03 | |||
WO2009145778A1 | 2009-12-03 |