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Packing and recycling, make full use of renewable resources. In view of the fact that packaging waste is a major problem of environmental pollution, various countries are trying their best to classify and recycle packaging waste for recycling. For example, the classification and collection of packaging waste in Germany is very good. It not only recycles a large amount of useful materials, but also uses waste to incinerate electricity to generate energy, and it also reduces environmental pollution. Finland and Japan attach great importance to the recycling of paper packaging after recycling. These all show that, on the one hand, it is an important work that can not be ignored by packaging companies to grasp the development of environmentally-friendly packaging new products and on the one hand to use renewable resources for waste packaging.
With the increasing awareness of global environmental protection, the concept of environmental protection has become a very common topic in all walks of life. The packaging industry is no exception. The global "green wave" urgently requires the packaging industry to pay attention to environmental issues, and must strengthen the concept of environmental protection in the selection of packaging materials and packaging design.
Packaging materials are selected to reduce the pressure on the environment. At present, many companies in developed countries such as Europe and the United States focus on the development of "green packaging materials" that meet environmental requirements. When choosing packaging materials, try to use easy-to-handle materials and actively develop new types of packaging materials. Pulp forming packaging is gradually replacing traditional plastic materials that are difficult to degrade. Renewable paper packaging mats have been developed successfully. This packaging, which was created using old newspapers, can replace the widely used non-degradable foamed mats.
Packaging design should fully consider the environmental protection requirements. One is to use the same material or separable coexisting materials when designing the packaging. Because the packaging made of a single material is easy to recycle. If a multilayered composite material is used, it must be considered that easy separation does not prevent reuse. If the aluminum beverage surface can be coated with an organic coating, the organic coating can be burned during recovery melting without causing difficulty in recycling, and the composite paper-plastic packaging is difficult to separate for purification. The second is to design packaging that can be reused over and over again. The use of reusable packaging materials saves resources and reduces pollution, and should be strongly promoted. The third is to simplify the packaging as much as possible so that it is properly packaged. Excessive packaging causes waste of resources and also causes unnecessary environmental pollution. Some developed countries are advocating proper packaging and have introduced some regulations in succession.
"Green Wave" Urgently Calls for Packaging Industry to Pay Attention to Environmental Issues
The development of edible packaging should focus on functional choices. Food packaging is a big player in the packaging industry, accounting for about 70% of the packaging industry. Food packaging waste also has the greatest environmental pollution. Therefore, solving the problem of food packaging waste is a major problem faced by the packaging industry, and developing edible packaging materials is a good way to solve the contradiction between food packaging and environmental protection. The development of edible packaging is a new approach. Its goal is to create a packaging film that does not affect the flavor of the packaged food. This film is edible. For example, a company in Queensland, Australia, made a package of edible potato chips. People can eat their potatoes and eat them without causing waste. Japan has developed decapcened chitosan made from shell materials to make edible wrapping paper. The fast food noodles packaged in edible packaging paper can be directly cooked in a hot pot. The use of edible packaging not only facilitates consumer consumption, but also avoids packaging waste from polluting the environment. It is worth further research and promotion.