Establishing patterns in the formation of biocomposites for thermal insulation of building structures

Authors

DOI:

https://doi.org/10.15587/1729-4061.2025.337401

Keywords:

biocomposites, thermal insulation products, thermophysical properties, fire resistance, foam coke layer, coating swelling

Abstract

This study's object is the process that forms fire-resistant biocomposites based on wood chips and inorganic and organic binders. The task addressed relates to the need to enable resistance to high-temperature flames. This is important for the technology of application and production of environmentally friendly biocomposites obtained from natural and renewable sources for construction.

It has been proven that when determining the thermal insulation properties of the resulting materials, the temperature conductivity of the biocomposite on an inorganic basis was 0.22·106 m2/s while the thermal conductivity of the sample did not exceed 0.132 W/(m∙K). In contrast, for an organic-based biocomposite, the thermal conductivity value decreases by more than 6 times, the temperature conductivity – by more than 7 times.

In addition, the heat capacity of the product based on inorganic binder corresponds to a value within 1.6 kJ/(kg∙K), and the heat capacity value for the product made of biocomposite based on organic basis was 7.66 kJ/(kg∙K), respectively.

When a radiation panel was applied to the biocomposite samples, the temperature of the gaseous combustion products increased to 96°C, and the sample did not ignite. A study of the compressive strength of biocomposites showed that the product formed on the basis of wood and inorganic binder is more fragile; the tensile strength corresponds to an average value of 0.5 MPa. In contrast, for the biocomposite formed on the basis of chips and organic binder, the average tensile strength is 2.4 MPa, which is more than 4.7 times higher than the product based on inorganic basis.

The practical importance relates to the fact that the results were taken into account when developing a thermal insulation product for construction. Thus, there are grounds for the production of biocomposites for thermal insulation

Author Biographies

Yuriy Tsapko, Kyiv National University of Construction and Architecture

Doctor of Technical Sciences, Professor

Department of Environmental Protection Technologies and Labour Safety

Aleksii Tsapko, Kyiv National University of Construction and Architecture

PhD, Senior Researcher

Department of Building Materials

Vasyl Lomaha, National University of Life and Environmental Sciences of Ukraine

PhD, Assistant

Department of Technology and Design of Wood Products

Pavlo Illiuchenko, Institute of Scientific Research on Civil Protection of the National University of Civil Protection of Ukraine

PhD

Research and Testing Center

Oksana Berdnyk, Kyiv National University of Construction and Architecture

PhD, Associate Professor

Department of Technology of Building Structures and Products

Ruslan Likhnyovskyi, Institute of Scientific Research on Civil Protection of the National University of Civil Protection of Ukraine

PhD, Senior Researcher

Research and Testing Center

Kseniia Bielikova, Institute of Scientific Research on Civil Protection of the National University of Civil Protection of Ukraine

Doctor of Public Administration Sciences, Professor

Research and Testing Center

Nataliia Dyuzhilova, State Inspectorate of Architecture and Urban Planning of Ukraine

PhD, Associate Professor

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Establishing patterns in the formation of biocomposites for thermal insulation of building structures

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Published

2025-08-28

How to Cite

Tsapko, Y., Tsapko, A., Lomaha, V., Illiuchenko, P., Berdnyk, O., Likhnyovskyi, R., Bielikova, K., & Dyuzhilova, N. (2025). Establishing patterns in the formation of biocomposites for thermal insulation of building structures. Eastern-European Journal of Enterprise Technologies, 4(10 (136), 56–64. https://doi.org/10.15587/1729-4061.2025.337401

Issue

Vol. 4 No. 10 (136) (2025): Ecology

Section

Ecology

License

Copyright (c) 2025 Yuriy Tsapko, Аleksii Tsapko, Vasyl Lomaha, Pavlo Illiuchenko, Oksana Berdnyk, Ruslan Likhnyovskyi, Kseniia Bielikova, Nataliia Dyuzhilova

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