Acid and alkali resistant decomposable material and preparation method thereof

The preparation method comprises the following steps: respectively providing 5-80 weight percent of polylactic acid, 5-80 weight percent of poly (butylene succinate), 5-80 weight percent of poly (butylene adipate-co-terephthalate) and 5-80 weight percent of cellulose acetate, and mixing the polylactic acid, the poly (butylene succinate), the poly (butylene adipate-co-terephthalate) and the cellulose acetate at the temperature of 160-250 DEG C to form a mixture; the mixture can enhance the impact strength, enhance the rigidity of the whole structure, has better chemical resistance of acid and alkali resistance and better biodegradability, can enlarge the application field of the product, can be adjusted and matched into mixtures with different hardness according to different proportions, and improves the ductility of the material. 一种耐酸碱可分解材料及制法，透过分别提供5～80重量百分比的聚乳酸、聚丁二酸丁二醇酯、聚己二酸对苯二甲酸丁二醇酯及醋酸纤维素，使其在温度160～250℃下进行混炼程序形成混合物，上述混合物能增强耐冲击强度、增强整体结构的刚性、具有较佳耐酸及耐碱的耐化学性以及具有较佳生物分解性，能增加产品的应用领域，并且可根据不同的比例调整搭配出不同软硬度的混合物，提升材料的延展