| 摘要 |
PROBLEM TO BE SOLVED: To provide a sandwich molding method for a plastic molding that is environmentally friendly when disposed of, can effectively utilize bamboo resources, and is superior in beauty and durability.SOLUTION: There is provided a sandwich molding method for a plastic molding which has a skin layer and a core layer, and the method includes at least a first step of forming the skin layer by injecting a first resin composition containing a polylactic acid as a main component into a cavity, and a second step of forming the core layer by injecting a second resin composition containing bamboo fiber and a polylactic acid into the cavity. |
