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PVC Wood Plastic sheet has better tensile strength, flexural strength, flexural modulus, and impact strength compared with other sheets. The reason is that there is a strong chemical reaction ability between lignin and PVC, that is, between proton donor and acceptor. In addition, the interaction between carbonyl groups on lignin molecules and hydrogen atoms on PVC molecules or between hydroxyl functional groups on lignin molecules and chlorine atoms on PVC molecules is conducive to the improvement of mechanical properties.

At present, the application of wood-based panels is mainly in the interior decoration and furniture industry. The wood-based panels used are mainly plates with urea-formaldehyde resin as the adhesive ( Such as particleboard, medium-density fiberboard, plywood, etc.). Compared with these traditional wood-based panels, wood-plastic panels mainly have the following advantages and characteristics:
Firstly, Urea-formaldehyde resin is not used in the production of wood-plastic composites. There is no release of formaldehyde adhesives. This formaldehyde-free product is in line with national environmental protection policy. They are really environmentally friendly materials for human health, which is incomparable to ordinary wood-based panels.

Secondly, PVC Wood Plastic Composites have characteristics of water resistance, wear resistance, corrosion resistance, moth resistance, self-extinguishing when leaving the fire. They have the processing characteristics of wood and plastic. Therefore, under different process conditions, the strength properties of Wood Plastic Composites will be significantly improved so that they can be used on occasions with high strength requirements.
Finally, wood chips, straw, waste paper, and other wastes can be used as lignin in Wood-Plastic Composites. Recycled waste thermoplastic resin can be used as plastic so as to achieve waste recycling. It has crucial environmental protection significance.