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 comprising: 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 formed 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. 本发明涉及一种聚乳酸树脂发泡片、成型品、其制备方法及其制备装置，更具体而言，涉及如下的聚乳酸多层发泡片、耐热性成型品、其制备方法及其制备装置，即，上述聚乳酸多层发泡片包括：发泡层，其通过挤出包含聚乳酸、发泡剂、扩链剂、成核剂及结晶促进剂的组合物来制备；以及非发泡层，其形成在上述发泡层的一面或两面，通过