The raw materials of ton bags are mainly natural plant fibers, which will rot quickly in nature, will not pollute the environment, and can also be recycled and remade into paper. Now many large international companies use recyclable paper for the production of annual reports and promotional materials, and use recycled paper to make letterheads and stationery to reflect their green purpose of paying attention to the environment, and at the same time establish a good corporate image. Paper materials also have many uses such as pulp injection molding, composite materials, and building materials. In addition to the advantages of light weight, low price, and shockproof, pulp molded products also have the characteristics of good air permeability.
The research and development of green packaging materials has greatly reduced the use of non-degradable packaging materials, alleviated the pressure on the ecological environment to a certain extent, reduced the consumption of increasingly depleted petroleum resources, reduced environmental pollution, and solved the restrictions on my country's export commodities caused by the international ban on the use of non-degradable packaging materials. The widespread use of green packaging materials is of great significance, whether from the practical perspective of earth protection, from the overall perspective of the sustained and healthy development of the national economy, or from the perspective of high-tech packaging materials technology. Although there are still some problems with green packaging materials, such as poor thermoplasticity of materials, high cost, complex production process, unstable products, narrow application range, potential dangers of packaging materials in contact with food, etc., we have reason to believe that with the cross-penetration of disciplines such as environmental science, biochemistry, and polymer chemistry, these problems will be gradually solved.
The challenges faced by food packaging machinery are very severe. The products on the market are gradually enriched and diversified, and food packaging machines are no exception. In such a competitive environment, the innovation of food packaging machines is urgent, and the changes and improvements in product quality and performance will be favored by customers. Innovation is the soul of a nation's progress and also the soul of an industry's progress. While catching up with the trend of the times, food packaging machines must continuously improve their own scientific and technological content. Due to the continuous application of various high-tech technologies, the development of food and packaging machinery industries in various countries has been greatly promoted. Continuous production has replaced intermittent production, specialized production has replaced general production, large-scale production has replaced small and medium-sized production, and full-process quality control has replaced the quality control of the final product. The continuous production, specialized operation, automated adjustment, full-process control and industrialized operation of food processing and packaging processes have been realized.