Non-toxic environment-friendly degradable packaging material and preparation method thereof

The invention discloses a non-toxic, environment-friendly and degradable packaging material. The packaging material includes an outer layer and an inner layer wherein the outer layer comprises, by weight, 20-60 parts of plant wood pulp, 5-20 parts of starch, 2 to 15 parts of toughening agent; 0.5 to 10 parts of a nano-liposome; the inner layer is prepared from the following components in parts byweight: 20 to 50 parts of degradable polymer, 1 to 15 parts of coalescing agent, 1 to 10 parts of toughening agent, 0.5 to 10 parts of nano-liposome, 0.5 to 10 parts of fumed silica and 0.5 to 10 parts of antioxidant. The packaging material disclosed by the invention is non-toxic and environment-friendly, can be quickly degraded, avoids environmental pollution caused by a traditional packaging material, and has the characteristics of good mechanical strength, barrier property and the like. 本发明公开了一种无毒环保可降解的包装材料，包括外层和内层，按重量份数计，所述外层包括以下组分：植物木浆20～60份，淀粉5～20份，增韧剂2～15份，纳米脂质体0.5～10份，气相二氧化硅0.5～10份，抗氧化剂0.5～10份，按重量份数计，所述内层包括以下组