1. Agricultural plastic products Shed film, plastic film, green film, shading net, etc. are important agricultural covering materials applied and developed in the current and future period. China has become the country with the largest production and use of agricultural film in the world. According to the forecast of the Ministry of Agriculture, the forage film including ammoniated film, silage film and wrapping film, plastic seedling container, sunshade net, insect net, fishing net, agricultural product storage and preservation material, pesticide equipment, foam board Etc., the required plastic products will exceed 3 million tons. 2. Agricultural plastic water saving equipment Measures to reduce water loss from water source to field water transport include channel seepage prevention, low-pressure pipeline water delivery, sprinkler irrigation and drip irrigation. These measures can not only reduce water loss but also reduce field irrigation losses. Therefore, plastic pipes for water supply, sprinkler irrigation, micro-irrigation, and supporting pipes and fittings for drip irrigation under the film, and plastic pipe with light weight and large steel will be more popularized and applied. According to the preliminary plan of the water conservancy department, the water-saving irrigation project requires 1.7 million tons of various plastic water-saving equipment such as various pipes and fittings, emitters, nozzles, anti-seepage films and geotextiles. 3. Packaging plastic products Packaging is still the largest area of ​​plastics applications, and its development still far exceeds that of other traditional packaging materials. Food, beverages, pharmaceuticals, detergents, cosmetics, and chemical products have developed rapidly in China. They have great demand for packaging products such as composite films, packaging films, containers, and totes. For example, the output of beverages is basically doubled in 5 years. It is predicted that it will reach 25 million tons in 2005, 50% of which will use polyester bottles, which is about 10 billion. By 2005, the total demand for packaging materials per year was about 5.5 million tons. 4. Building plastic products Plastic building materials mainly include plastic pipes, plastic doors and windows, building waterproof materials, thermal insulation materials, decoration materials, etc. Plastic building materials are widely used in construction engineering, municipal engineering, village construction and industrial construction. Plastic building materials can not only replace steel and replace traditional building materials, but also have the advantages of energy saving, environmental protection, improvement of living environment, improvement of building function and quality, reduction of building weight and construction convenience. During the "10th Five-Year Plan" period, various plastic pipes, polymer waterproof materials, decoration materials, thermal insulation materials and other plastic products for construction have increased significantly. Therefore, the total demand in 2005 was about 4 million tons. 5. Industrial, transportation and engineering plastic products These plastic products are mainly used as accessories for home appliances, electronics, automobiles, transportation, post and telecommunications, defense industry, etc. The main materials used are aBS products, HISP products, Pa products, PC products, POM products, polyester (PET and PBT) products, modified polyolefin (PO) products, and the like. For example, plastics for automobiles, plastics used in the automotive industry in developed countries account for 7%-10% of plastic consumption, and China accounts for about 2%. The plastics used in each car account for the weight of the car. China is also lower than the developed countries 7%-11 %, so automotive plastics will have a large increase. By 2005, the total demand for engineering plastics for industry, transportation and transportation is expected to be about 4.5 million tons. 6. Artificial leather, PU leather, synthetic leather As the internationalization of the market accelerates, the output of garment leather, luggage leather and furniture and interior decoration leather will maintain steady growth. High-grade, high value-added microfiber footwear synthetic leather and breathable garment synthetic leather will grow rapidly as its development continues to expand its application areas. The interior decoration materials for the car industry supporting vehicles will also be greatly developed. Accordingly, the total demand for artificial leather and synthetic leather is estimated to be 780,000 tons per year, or 1.05 billion square meters. Among them, garment leather is 316 million square meters, shoe leather is 263 million square meters, and luggage leather is 316 million square meters. During the “Tenth Five-Year Plan†period, high-tech wet PU leather and microfiber base materials are the future development of PU leather and synthetic leather. Breathable and moisture permeable PU leather, ultra-fine fiber thin synthetic leather for clothing, hydrolysis-resistant PU synthetic leather for shoemaking, the market prospects are very good. There is also a considerable market space for artificial leather, PU leather and synthetic leather for automotive interior parts and sports articles. 7. Medical plastic products The annual consumption of medical plastics exceeds 100,000 tons, and the annual output is about 50,000 tons, which is mainly dependent on imports. The production of medical plastic products requires the use of medical grade resin, which has certain mechanical strength, toughness, flexibility and high transparency. The commonly used medical resins are: PVC, PP, LDPE, UHMWPE, PTFE, FEP, PMMa, aBS, POM. , PVa, PET, PUR, etc. Medical plastics will increase significantly during the 10th Five-Year Plan period and are an important player in the field of high-tech materials. 8. Daily plastic products Daily-use plastic products are more extensive and have a close relationship with human life. Because of their wide variety of colors, convenience, hygiene and comfort, they have replaced traditional traditional materials such as iron, wood and bamboo in more and more fields. . Plastic shoes, plastic boxes, bags, printed films, household and personal living items have become an indispensable part of human life, serving human society in new fields. Its total output is expected to reach 3.2 million tons per year. The main task in the future is still to strive to increase the variety of colors, develop more functions and be as affordable as possible. 9. Functional plastics such as electricity, heat, light, magnetism and flame retardant By adding certain substances or changing the structure of the polymer, the plastic material has electrical conductivity, electromagnetic shielding, magnetic properties, thermal conductivity, light transmission, photosensitivity and flame retardancy, which are important development directions for a considerable period of time in the future. After the performance of electricity, magnetism, light, heat, etc. is imparted to plastics, the application fields of plastics can be further expanded. 10. Filling, blending, and reinforcing modified plastic materials In recent years, the development of inorganic rigid particle toughening technology and nano material and plastic composite technology can improve the rigidity and impact performance of the filling material. Some filler materials have an impact on the mineral filler weight fraction of up to 50%. The strength can also be several times higher than the matrix resin. The use of new additive surface treatment technology and interface-inducing technology between the filler and the matrix resin will bring the performance of the filled modified material to a new level, providing higher quality and cheaper plastic raw materials for various application fields.
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