Effect of impregnation with hydrophobizing organosilicon compounds on the properties of wood
https://doi.org/10.53374/1993-0135-2023-1-89-94
Abstract
Wood, due to the peculiarities of its anatomical structure, has the ability to moisten, which allows it to easily absorb moisture from the environment upon contact. However, this leads to a decrease in its performance and biodegradation. One of the ways to reduce water absorption and moisture absorption of wood is its treatment with hydrophobizing compositions. This is especially in demand for historical and cultural monuments made of wood. For this purpose, it is recommended to perform surface capillary impregnation with compositions based on organosilicon compounds.
The paper presents studies of the properties of natural sawn and partially degraded wood treated with organicsoluble hydrophobizing organosilicon compositions, and water-based compositions. The pH of these compositions was determined. According to the multiplicity of application of the compositions, which made it possible to achieve the required consumption, the rate of penetration of hydrophobizing compositions into the wood was studied. The penetration depth of the compositions was also established with the selected capillary impregnation method. To assess the service life of the formed hydrophobic coating, the wood was subjected to cycles of climatic tests.
After the tests, studies were carried out on the absorbing capacity of the treated wood. It was evaluated by changing the values of water absorption and moisture absorption of hydrophobized wood in comparison with untreated wood. It was found that a greater decrease in water absorption is observed in partially degraded wood. The results of tests to determine the moisture absorption of wood allow us to conclude that the vapor permeability of the formed hydrophobic coatings.
In conclusion, based on the results of the research, it was concluded that it is expedient to use hydrophobic organosilicon compositions to protect buildings and structures already in operation, in particular for monuments of wooden architecture.
About the Author
A. V. Ermolina
Reshetnev Siberian State University of Science and Technology
Russian Federation
Russian Federation
31, Krasnoyarskii rabochii prospekt, Krasnoyarsk, 660037
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Review
For citations:
Ermolina A.V. Effect of impregnation with hydrophobizing organosilicon compounds on the properties of wood. Conifers of the boreal area. 2023;41(1):89-94. (In Russ.) https://doi.org/10.53374/1993-0135-2023-1-89-94
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