With the development of modification equipment and technology, China's modified plastics industry system is gradually improved. We are faced with both opportunities and challenges. Today, let's learn about the current situation and main development direction of modified plastics.

　　With the influence of the trend of "replacing steel with plastic" and "lightweight automobile, light and fashionable household appliances", the gradual implementation of policies such as "new urbanization" and "building a beautiful China", the application products of modified plastics industry will be further expanded, the technology upgrading and innovation of enterprises and the optimization and adjustment of product structure will bring broad development prospects for the industry, and China's modified plastics industry will be greatly improved The development of the industry will show the following four remarkable characteristics.

　　1、 General plastic engineering. Although the new varieties of engineering plastics are increasing and the cost is decreasing due to the expansion of production facilities, with the development of modification equipment and technology, the mechanical properties and heat resistance of general plastics with large output and low cost are improved by filling, strengthening and foaming, which makes PP, PE, PS, PVC and other general plastics have engineering characteristics, And has already seized part of the application market of traditional engineering plastics, such as auto parts, electronic and electrical parts and office automation products, and achieved the effect of reducing costs.

　　2、 High performance, multi-function and compounding of engineering plastics are mainly through the "alloying" method of general engineering plastics. Engineering plastics and one or more kinds of plastics are combined by blending, grafting, block and other forms, so that the properties of each component complement each other, forming a kind of plastic material with many excellent properties, so as to achieve the purpose of high performance.

　　3、 The application of nanocomposite technology in modification industry, the manufacture and application of polymer nanocomposites is an important topic in the future.

　　4、 The environmental protection requirements of modified plastics are more and more strict. With the increasing awareness of global environmental protection, consumers have higher requirements for flame retardancy of plastic products. Halogen free, low smoke and low toxic environmental flame retardants have been widely used. At present, nearly 80% of plastic modified flame retardants in China are halogen-containing flame retardants. The main components of halogenated flame retardants are polybrominated diphenyl ethers (PBDEs) and polybrominated biphenyls (PBBs). 70% - 80% of the electronic and electrical products exported in China use these flame retardants. A large amount of smoke and corrosive gas will be produced during pyrolysis and combustion of bromine and antimony flame retardant system. In recent years, some European countries believe that brominated flame retardants will produce toxic carcinogens when burned. In February 2003, the European Union issued two environmental bans, RoHS and WEEE. In addition to limiting halogen compounds, the EU also imposed limited control on heavy metals such as silver, cadmium, mercury and hexavalent chromium.

　　Plastic modification is a plastic industry field which involves a wide range, high technology content and can create huge economic benefits. From the production of raw resin to the production of modified plastics masterbatch of various specifications and varieties, the properties of almost all plastics can be improved by modification methods, such as appearance, transparency, density, precision, processability, mechanical properties, chemical properties, electromagnetic properties, corrosion resistance, aging resistance, wear resistance, hardness, thermal properties, flame retardancy, barrier properties, etc noodles