Published since 1923
DOI: 10.33622/0869-7019
Russian Science Citation Index (RSCI) Web of Science
  • BUILDING MATERIALS AND PRODUCTS
  • Modification Of Wood By Organic-Mineral Complex
  • UDC 674.048.5 DOI: 10.33622/0869-7019.2020.02.47-51
    Natalia V. KILIUSHEVA, e-mail: n.volkova@narfu.ru
    Arkady M. AYZENSHTADT, e-mail: a.isenshtadt@narfu.ru
    Victor E. DANILOV, e-mail: v.danilov@narfu.ru
    Alexander O. BELYAEV, e-mail: mr.oba0509@mail.ru
    Northern (Arctic) Federal University named after M. V. Lomonosov, Naberezhnaya Severnoy Dviny, 17, Arkhangelsk 163002, Russian Federation
    Abstract. The aim of this work was assess the ability to improve the physicomechanical properties of wood by natural mineralization of the wood matrix under the influence of the organic-mineral complex of the composition arabinogalactan-silica-containing polymineral sand. As a criterion for optimizing the prescription factor, the value of the relative density change of the modified wood was used. For the experiments, prototypes of common pine wood were made. The organic component of the organic-mineral complex was arabinogalactan isolated from larch wood by water extraction. The mineral component of the complex was silica-containing polymineral rock with a silica content of more than 90 %. It has been established that the process of mineralization of the wood matrix with a water-soluble organic-mineral complex based on arabinogalactan and a polymineral silica-containing rock can occur spontaneously, while the maximum relative increase in wood density achieved in 24 hours is limited to 12 %. This increase in the density of wood allows it to increase its strength along the fibers and hardness by 47 % and 71 %, respectively. The obtained mathematical expressions relating the strength and hardness of wood after mineralization with a relative change in its density, which can be the basis for predicting these properties of wood material during its modification.
    Key words: organic-mineral complex, arabinogalactan, silica-containing polymineral sand, modified wood, relative density change, strength, hardness, natural impregnation.
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  • For citation: Kiliusheva N. V., Ayzenshtadt A. M., Danilov V. E., Belyaev A. O. Modification of Wood by Organic-Mineral Complex. Promyshlennoe i grazhdanskoe stroitel'stvo [Industrial and Civil Engineering], 2020, no. 2, pp. 47-51. (In Russian). DOI: 10.33622/0869-7019.2020.02.47-51.


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