| 摘要 |
A method for producing an injection-molded article of a polylactic acid resin composition comprising a polylactic acid resin, a plasticizer having a polyoxyalkylene group or an oxyalkylene group and a mold release agent having a melting point of 20 to 75°C by filling a melt-kneaded product of the polylactic acid resin composition into an injection molding machine and molding the melt-kneaded product in a mold, said method being characterized in that the preset temperature of at least a part of a cylinder in the injection molding machine is 200°C or higher, the surface temperature of the mold is 85°C or higher, and the surface roughness of the mold is 1.0 mum or less. A molded article produced by the production method according to the present invention has high productivity and excellent surface appearance, and therefore can be used suitably in various industrial applications including commodities, parts of home electrical appliances, packaging materials for parts of home electrical appliances and vehicle parts. |
