Multi-functional soft plastic packaging materials developed in depth

At present, high barrier and multifunctional soft plastic packaging materials have become a hot spot in the domestic plastic packaging industry. At the same time, breakthroughs in bag making and printing technologies enabled the composite packaging film to successfully enter the “color revolution” era; the development of multi-layer co-extrusion technology in China has also changed the product structure of functional films and containers, and has adapted to environmental protection. High demand.

According to experts, after more than 20 years of development, China's plastic packaging materials have formed a certain scale, and the gap with foreign technology levels is gradually narrowing. At present, high-barrier, multi-functional soft plastic packaging materials have become a hot spot for domestic development in recent years and a number of new products and technologies have emerged. Not only has the high barrier property, multifunctional cling film and aseptic packaging film developed rapidly, but the original composite film is also developing in a deeper level. The color printing technology is increasingly widely used, and there are existing flexographic, gravure and flexographic color systems in the entire industry. Promote the development of soft plastic packaging materials in depth; the successful development of anti-counterfeit packaging films, especially anti-static packaging films, is also of great significance.

With the growing demand for environmental protection, it is particularly important to reduce the amount of waste generated under the premise of satisfying packaging functionality, and to make packaging films and packaging containers more lightweight and thinner. Due to the release of adhesives and solvents used in the production process of high-barrier films based on dry processes, it is easy to cause pollution and environmental protection. Therefore, the development of co-extruded packaging films has become a new choice.

In recent years, China's co-extruded technology has seen new development. At present, in addition to Dalian Liaonan Dongfang Machinery Co., Ltd.'s superposition head technology has been promoted and applied, Guangdong Jinming plastic equipment company developed a five-layer co-extruded high barrier film blowing unit and other domestic co-extruded blow molding technology equipment has also begun production. The entire industry's overall level of technology is rapidly increasing.