Foaming film based on copper oxide/graphene oxide composite antibacterial nano material and preparation method thereof

The invention provides a preparation method of a foamed film based on a copper oxide/graphene oxide composite antibacterial nano material. The preparation method comprises the following steps in parts by weight: a step of preparing copper oxide/graphene oxide composite nano material modified polylactic acid, a step of preparing a first premix, a step of preparing a second premix, a step of extruding and granulating, and a step of foaming and film forming. According to the preparation method of the foaming film based on the copper oxide/graphene oxide composite antibacterial nano-material, the overall antibacterial function of the preservative film is achieved through the copper oxide/graphene oxide composite antibacterial nano-material with the antibacterial and preservative effects. The invention further provides a foaming film based on the copper oxide/graphene oxide composite antibacterial nano material. 本发明提供了一种基于氧化铜/氧化石墨烯复合抗菌纳米材料的发泡膜的制备方法，按重量份计包括：制备氧化铜/氧化石墨烯复合纳米材料改性聚乳酸步骤、制备第一预混物步骤、制备第二预混物、挤出造粒步骤和发泡成膜步骤。本