Abstract
Wood is widely used in a construction both in the form of integral components and as a part of various products or wood filled composites. However, while using wood in the production of building materials, it is necessary to consider a set of factors, as along with the valuable properties (low average density, ease of handling, etc.) it has a number of negative qualities, which complicate production of construction materials of desirable quality. The results of researches of thermal modification of wood raw materials in production of construction materials are provided in the article. It is established that as the result of change of chemical composition of thermo wood treated at temperatures of 453 K - 493 K, the water carrying out function of material decreases, despite considerable reduction of density. Besides in case of increase in the heat treatment value of wetting angle grows by 25%, and equilibrium humidity of wood decreases. Thus, the results of the conducted researches give the chance to obtain the environmentally friendly wood filled construction materials with low water absorption and hygroscopicity that allows assuming a possibility of creation of materials with the raised operational characteristics.
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