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Material living conditions continue to improve with economic development, and healthy consumption concepts have become a new fashion for outdoor leisure. Outdoors have a vast space for activities. Leisure can also make the body and mind happy. This is the reason for the rapid development of outdoor construction facilities. As an ideal outdoor environmental protection material, plastic wood composite material can be recycled and reused at the same time at low cost. Plastic wood composite materials are used to make outdoor furniture such as outdoor floors, park benches, and trash bins. Its waterproof and moisture-proof, anti-corrosion and insect-proof, no wood thorns and long service life can be fully utilized.
Weather resistance is a major factor limiting outdoor materials, and wood plastic composite materials can just fully meet this requirement. Plastic wood composite products accelerate aging under the irradiation of ultraviolet rays, but the wood powder in the plastic wood composite material can effectively block the ultraviolet rays from entering the inside of the material, so as to ensure the service life of the plastic wood composite material outdoors. From the analysis of economic factors, the production cost and maintenance cost of plastic wood composite materials are lower than ordinary wood and metal materials, so it is very promising to use it to develop outdoor furniture.
Among the research reports on plastic wood composite materials, one part focuses on how to improve the performance of composite materials, and one part is on how to improve the molding equipment of plastic wood composite materials. Nowadays, it is the discussion on the durability of plastic wood composite materials when they are used outdoors. Although there have been some related reports, there are still some problems: it is necessary to establish a complete set of tests to simulate the corrosion of outdoor environments including fungi or termites, the effects of ultraviolet rays and humidity, and the effects of climate change, as well as more in-depth discussions. The influence of ultraviolet rays, humidity and fungi on the service life of plastic wood composite materials.