Study on the property comparison of polymer-wood composites of delignified wood panels impregnated with different polymers
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Recently, due to the severe climate change and environmental pollution of the earth, research on transparent wood, which has eco-friendly and biodegradable properties inherent in trees, as well as transparency, has received great attention. Trees are composed of fibrous cellulose and hemicellulose, and lignin, which maintains the reticular structure of them. By chemically removing the lignin component and filling the empty space in the reticular structure composed only of holocellulose with a transparent polymer material, incident light scattering is reduced and light passes through well, resulting in transparent wood. In this study, various types of polymer materials were impregnated to produce transparent wood with high light transmittance while maintaining the grain pattern of the tree. The optical/mechanical/physical differences in light transmittance, polymer impregnation, and mechanical properties of transparent wood composites were compared and analyzed depending on the type of polymer material applied.