The hottest wood plastic composites in the world

Global wood plastic composites

with the strengthening of people's awareness of environmental protection, the voice of protecting forest resources and reducing the use of new wood is rising day by day. The recycling of waste wood and plastic with low cost has become a common concern in the industrial and scientific circles, which has promoted and promoted the research and development of wood plastic composites (WPC), and has made substantial progress, and its application is also accelerating. As we all know, waste wood and agricultural fibers such as seals and plugs can only be incinerated before, and the carbon dioxide produced has a greenhouse effect on the earth. Therefore, wood processing plants are trying to find ways to convert them into new products with high added value. At the same time, plastic recycling is also the key development direction of plastic industry technology. Whether plastic can be recycled has become one of the important basis for material selection in many plastic processing industries. In this case, wood plastic composites came into being. Governments and relevant departments all over the world attach great importance to and pay attention to the development and application of this environmentally friendly new material

wood plastic composites combine the advantages of wood and plastic. They not only have the appearance like natural wood, but also overcome its shortcomings. With the economic tension of the people in aerospace, national defense, kerosene chemical industry, transportation and other household property mediation and upgrading, they have the advantages of corrosion prevention, moisture resistance, insect resistance, high dimensional stability, no cracking, no warpage and so on. They are harder than pure plastic, and have the processability similar to wood, so they can be cut Bonding, fixed with nails or bolts, can be painted. It is with the dual advantages of cost and performance that wood plastic composites have been expanding their application fields in recent years, entering new markets and replacing other traditional materials more and more

North America is currently the largest market for wood plastic composites in the world, of which the United States is at the forefront in development and application. The special report "wood plastic composites used as building panels in 2001 - vibrant outdoor building applications" of the American pricipa partner consulting company pointed out that the consumption of North America alone reached 320000 tons in 2001, and it is expected that the demand will increase at a double-digit rate before 2005, The consumption in 2005 will double that in 2001. Among them, the demand for plates is large, accounting for more than 60% of the total demand

wood plastic composite materials are mainly used in wall panels, wall panels, decorative panels, building templates, highway noise partitions, seaside road slabs, railway sleepers, combined pallets for packaging and logistics, storage racks, as well as decorative frames, fences, stair handrails, ship cabin partitions, office partitions, outdoor open tables and benches, storage boxes, flower boxes, movable frames Automobile interior trim parts (interior door trim panel, base plate, spare wheel cover, seat back, instrument panel, glove box, sunshade, headrest insert, etc.), and materials under development include Draper plate, shutter, roof panel, etc

residential and commercial building boards are the largest users of wood plastic composites, and they are on the rise. Therefore, when customers buy precision instruments, they subconsciously think that the instruments of a major brand are of good quality and should be bought. The processing of building and structural boards (including profiled materials) of this brand is also the most active part of the plastic extrusion industry. The demand growth rate is in double digits, and other industrial/agricultural and seaside road boards The plywood of wharf station and other facilities are relatively stable. Because wood is not resistant to seawater corrosion, easy to crack and warp, and short service life, products made of wood plastic composites have obvious advantages. The U.S. Navy spends $250million a year on repairing and replacing wood plates. Therefore, a five-year wood plastic composite replacement wood development project with a total amount of $10million was launched, which was undertaken by Washington State University. In addition, it is also found in the study that the performance of wood plastic composites as building roof panels is better than that of wood, and the cost is 85% - 95% of wood raw materials

although the amount of wood plastic composite materials used to manufacture railway sleepers is small, it is an application field that has increased rapidly. Its market share has increased from less than 1% in 1998 to 2%-4% in 2000. Recently, it has the momentum to challenge the traditional wooden sleepers. Traditional sleepers should be treated with high-quality wood with creosote, which not only has a short service life (years), pollutes the environment, but also has a high cost. The shelf life of plastic sleepers is as long as 50 years. Therefore, the Chicago Transportation Bureau estimates that the share of plastic sleepers in its sleepers will rise to 25% - 30% within 10 years. A large number of transportation systems and major transportation arteries in the United States are installing such new sleepers. At present, 12million sleepers are replaced in North America every year, and it will be further increased to 10000 sleepers/year in the future. Plastic sleepers can adopt the same tightness as wooden sleepers, and can also be mixed with wooden sleepers. It is convenient to promote and low cost. More than 50% of the raw materials used for plastic sleepers are recyclable HDPE

the famous American consulting company Freedonia group predicts that the average annual growth rate of the demand for wood plastic composites in the United States will be 13% before 2006, and the total output value will reach $2billion in 2006. The markets with rapid growth are various plates, window frames, door frames, fences and fences. Among them, the board market with the largest consumption increased from 410million US dollars in 2001 to 900million US dollars in 2006. Through continuous improvement of performance and public awareness of the advantages and disadvantages of high-pressure wood treatment, fences and fences increased from 163million US dollars to 315 million US dollars in the same period, while window frames and door frames will also increase from only 65million US dollars in 2001 to 135million US dollars in 2006