The research and development of wood-plastic composite materials in China began in the 1990s and was more than 10 years later than the development of foreign wood-plastic composite materials. Since the end of the 1990s, with the United States taking the lead in restricting wood packaging from China, the development of China's wood-plastic materials and its technological transformation have entered a period of rapid development. By the beginning of this century, China's wood-plastic industry has gradually taken shape.
Wood-plastic composite materials are a kind of basic materials covering a wide range, a wide variety of products and various morphological structures. They fully embody the advanced concepts of sustainable economic development such as circular economy, resource utilization, health and environmental protection, and economical substitution. Most of its products have the function of comprehensive utilization of resources and the environmental protection brought by it, so in recent years, it has gradually attracted the attention of the society. At present, the concept of "circular economy" and "construction of a conservation-oriented society" in China's government has added a powerful driving force to the development of China's wood-plastic industry.
With the advantages of wood-plastic materials gradually being discovered, in 2002 the research work was included in the 2002 High-Tech Development Report of the Chinese Academy of Sciences; in 2003, the National Development and Reform Commission listed wood-plastic composite materials as â€œnational high-tech industrialization new materialsâ€. Special Projectâ€; In June 2005, the State Council issued the â€œNotice on Doing a Good Job in the Construction of a Saving Society in the Near Futureâ€. The â€œNoticeâ€ proposed on improving the comprehensive utilization of resources and the tax incentives for the recycling of used materials. A series of specific guidance comments. With the country's new economic policy, the national "wood-plastic heat" is on the rise. According to incomplete statistics, as of the end of 2007, there were more than 160 enterprises and institutions directly engaged in the research and development and production of wood-plastic composite materials, with more than 100,000 employees, and the production capacity has been greatly improved. The annual output of wood-plastic products is close to 15 Ten thousand tons, the annual output value can reach 2 billion yuan. According to the national economic policy guidance, wood-plastic composite materials and their products will become the new material projects that the state will focus on in the next few years.
As a multi-faceted, large-span, specialized and marginal emerging industry, the wood-plastic industry involves equipment, technology and processes involving precision machinery, fine chemicals, hydraulic transmission, vacuum technology, thermal conduction, fluid mechanics, and sensing technology. Subjects such as electronic automation and computer programming. At present, Qingdao Far East Company is the main technical representative in the industry, and its test samples are close to or reach the international advanced level. Many enterprises in the south have gradually highlighted the characteristics of their products. In addition, several large domestic enterprises have long tracked the development of the wood-plastic industry and are actively preparing to enter the wood-plastic industry. It is reported that foreign strong companies such as DuPont and Mitsubishi are also paying close attention to the dynamics of China's wood-plastic industry.
At present, domestically developed wood-plastic materials include structural, decorative, packaging and special-type types, including wire, profile, sheet and profile, and can cover almost all logs and plastics. , plastic steel, aluminum alloy and other similar composite materials are now in use. The applications of wood-plastic materials that have been involved include: wall skirts, window sills, sets of doors, slabs, corridors, partitions, ceilings, guardrails, edging, fences, trestles, showers, door and window covers, rest kiosks, garages, boats Decks, furniture trims, waterways, open-air seats, stair steps, decks, container decking, stadium seats, light rail soundproof walls, multi-purpose wall partitions, highway soundproof walls, etc., and began to infiltrate buildings, home improvement, logistics In the packaging, gardening, municipal, environmental protection and other industries, the annual production value is increasing year by year, and the market prospect is very broad. Based on various aspects, we believe that China's wood-plastic composites industry has reached a critical point in the new round of development.
Wood plastic can also become a new bright spot in the circular economy. With the increasing emphasis on environmental resources, the circular economy development model with the recycling of waste materials and comprehensive utilization of resources has become the trend of world economic development. Vigorously developing resource recycling technologies will have a profound impact on national economic development and environmental sustainability. The use of waste plastics and wood fibers to produce wood-plastic composite products is a good project to meet this requirement. In China, the amount of waste plastic and wood fiber waste produced each year is considerable.
However, as the domestic market is still in its infancy, wood-plastic products have not been widely promoted in the domestic market. Compared with the North American market, there is still a considerable room for growth in wood-plastic composites and finished products in the Chinese market. It is expected that the domestic market for wood-plastic composite materials will exceed one million tons in recent years, with an output value of more than 1 billion yuan. Wood-plastic composite product system.
As the only wood-plastic industry organization in China, the â€œChina Resources Comprehensive Utilization Association Wood Plastic/Composite Materials Professional Committeeâ€ will contribute to the development of the industry. The proposal of circular economy theory and the decision-making of the party Central Committee and the State Council to build a conservation-oriented society have opened up a vast space for the development of wood-plastic materials. We have the confidence and ability to grasp the opportunities and adapt to the trend, and engage in the R&D and production of wood-plastic materials. Colleagues work together to lead the Chinese wood-plastic industry to a new level.
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