Multilayer-Structured Polylactic Acid Resin Foam Sheet Manufactured By Co-Extrusion Foaming Method, Molded Article, Method For Manufacturing Same, And Apparatus For Manufacturing Same

The present invention relates to a polylactic acid resin foam sheet, a molded article, a method for manufacturing same, and an apparatus for manufacturing same, and more specifically, to a multilayered polylactic acid foam sheet, a heat-resistant molded article, a method for manufacturing same, and an apparatus for manufacturing same, the multilayered polylactic acid foam sheet being characterized by including: a foam layer manufactured by extruding a composition including a polylactic acid, a foaming agent, a chain extender, a nucleating agent, and a crystallization accelerator; and a non-foam layer foamed on one surface or both surfaces of the foam layer and manufactured by extruding a composition including a polylactic acid and a crystallization accelerator, wherein the foam layer and the non-foam layer are manufactured by co-extrusion in a single process.