Fully degradable courier bag production video
With the increasing proportion of online shoppers, the express delivery industry has developed rapidly. According to incomplete statistics, hundreds of millions of packages are produced in one day on the online shopping festival. The huge number of express bags and various non-recyclable shockproof fillers are not biodegradable. The soil burial method leads to changes in the soil structure and soft foundations; moreover, harmful substances can easily seep into the ground and pollute the groundwater, all of which have seriously polluted the living environment of human beings. The "white pollution" brought by courier bags has been valued by the governments of various countries, and the society's discussion and research on degradable courier bags has become more in-depth.
The State Post Administration also issued the "Implementation Plan for Promoting Green Packaging in the Express Industry", basically eliminating packaging materials with excessive toxic and harmful substances, basically establishing a socialized express packaging recycling system, and using fully degradable express packaging as soon as possible. Degradable courier bags are made by adding an appropriate amount of additives or degradable materials during the preparation process, thereby reducing the stability of the product and making it degrade in the natural environment, which has significant economic and social benefits. At the same time, as people's awareness of environmental protection increases , such materials have great development prospects.
The express bag material includes the following components calculated in parts by weight: 20-40 parts of thermoplastic starch, 5-15 parts of linear low-density polyethylene, 0-45 parts of low-density polyethylene, 10-20 parts of polylactic acid, polycaprolactone 2-5 parts of ester, 0.2-0.6 parts of photodegradant, 5-15 parts of filler masterbatch, 0.5-1.5 parts of lubricant, 3-8 parts of compatibilizer, and 5-8 parts of photosensitizer.
The degradable express bag prepared with this component comprehensively utilizes different natural degradable materials and the characteristics of different resin raw materials, and then prefabricated filler masterbatches, adding photodegradable additives, etc., so that it has good mechanical properties and degradation at the same time. High performance and simple manufacturing process; compared with traditional express bags, under the same cost conditions, the degradability is obviously increased, and it is a resource-saving and environment-friendly product.