Wood Modification Using Ethenylnaphthalene

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Abstract

The present study is devoted to the modification of wood using ethenylnaphthalene (EN) in order to improve its performance characteristics, such as water resistance, moisture resistance and resistance to biodegradation. The main objective of the work is to develop an effective method for impregnating softwood (using birch as an example) to create a wood-polymer composite with enhanced protective properties. The relevance of the study is due to the need to expand the range of environmentally friendly and cost-effective impregnating compounds for wood, especially low-value species. The results of the study showed a significant improvement in the performance properties of the modified wood. It was found that an increase in the content of PEN in wood (from 9.3% to 24.6%) leads to a decrease in water absorption and swelling, which confirms an increase in the water and moisture resistance of the material. In addition, the modified samples demonstrated antiseptic properties, which helps to increase the service life of products. Control experiments confirmed the high reactivity of EN and its effectiveness as a modifier. The developed method of wood modification using EN can be applied in the construction, furniture and woodworking industries, especially for low-value wood species. The results of the study are of interest for solving problems of ecology and rational use of resources, since EN is an accessible and cost-effective material, and its use allows to reduce the use of expensive and scarce compounds. The study confirmed the prospects of using ethenylnaphthalene for wood modification. The obtained wood-polymer composites have improved physical, mechanical and protective properties, which makes them suitable for wide industrial use. The method is highly efficient, environmentally friendly and can be scaled up for production. Further research can be aimed at optimizing the impregnation process and studying the long-term stability of modified materials.

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