The significance of developing new functional plastic wood materials

With the rapid development of science and technology, the use of resource-rich natural fibers and waste fiber reinforced plastics is an important research direction for WPC. Functional modification of WPC flame retardant, smoke resistance, aging resistance, antibacterial and antibacterial is of great significance for broadening the scope of WPC use and improving the safe use performance and service life of WPC.

Under natural conditions, WPC is vulnerable to environmental damage, which significantly affects its durability. At the same time, because WPC contains woody materials, it is easy to breed bacteria during use, which causes the material to deteriorate and affect its use, and even endangers human health. The above defects reduce the performance of WPC, which seriously affects its range of use and service life. If WPC is given flame retardant and smoke suppressing properties, aging resistance and antibacterial properties, it can eliminate the safety hazard caused by flammable materials, improve the color change and mechanical properties caused by UV aging, and improve its suppression. Bacterium and sterilization function. Therefore, improving the flame retardant and smoke suppression, aging resistance, weather resistance and antibacterial properties of WPC has become one of the research hotspots of WPC functional modification in recent years. Although WPC functional modification has achieved certain results, there are still many problems in the functional modification mechanism and modification method, the development of new functionalized WPC and the impact of functional modification on the environment.

(1) In-depth discussion of functional modification mechanism and modification method. Although a lot of research has been done on the functional modification of WPC flame retardant, smoke resistance, aging resistance and antibacterial, the functional modification theory and functional influence factors have not been systematic and theoretical, and the modification method is not yet mature. .

(2) Develop a new functional WPC in combination with modern high-tech technology. WPC technology should be combined with modern high-tech technologies such as nanotechnology and biotechnology. With the development of the Internet era, it will be multi-functional (sets fire-retardant and smoke-proof, aging-resistant, weather-resistant, anti-bacterial, sound-absorbing and other functions), lightweight With the development of environmental protection, environmental protection and customizable, WPC will become a very promising material.

(3) Evaluate the environmental impact of WPC functional modification. WPC is an environmentally friendly material. Functional modification should be combined with “green chemistry”. Functionalization of WPC should be fully studied from the selection of functional modifiers and resistance to loss, bio-toxicity of functional modifiers and WPC life cycle evaluation. After the impact on the environment.

In the future, the wood-plastic technology should be combined with modern high-tech such as nanotechnology and biotechnology, and it will be developed in the direction of multi-functional (ie, flame retardant, antibacterial, sound-absorbing, etc.), lightweight, environmentally-friendly and customizable. It will become a very promising material.



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