Thermal degradation of stems of borschtia Sosnovskii modified with monoethanolamine (N→B)- trihydroxyborate
https://doi.org/10.33979/2073-7416-2024-111-1-109-116
Abstract
In the presented work, the process of thermodegradation of unmodified and borazote-modified crushed stems of Sosnovsky's Heracleum by thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC) was investigated. The general purpose of the study is to determine the decomposition temperature of the main chemical components and the values of mass loss of unmodified and modified crushed stems of Sosnovsky's heracleum to establish the conditions for the production of thermal insulation materials based on modified crushed stems. The concentration of the used modifier was 10%, 30% and 50% of monoethanolamine (N→B) trihydroxyborate (MEATHB). The data obtained allowed us to conclude that the use of 30% and 50% MEATHB modifier reduced the magnitude of mass loss compared to the control samples. Thus, the optimal concentration of the modifier different 30% was established for the manufacture of composites from modified crushed stems of Sosnovsky's heracleum with the possibility of processing and/or drying at temperatures less than 100°C.
About the Authors
I. V. Stepina
National Research Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Stepina Irina V., Candidate of Technical Sciences, Assoc. Prof., Lecturer of the Department of Building Materials Science,
Moscow.
M. Sodomon
National Research Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Sodomon Mark, Postgraduate Student of the Department of Building Materials Science,
Moscow.
A. A. Kruk
National Research Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Kruk Artem An., Student of the Department of Building Materials Science,
Moscow.
E. S. Solovyeva
National Research Moscow State University of Civil Engineering
Russian Federation
Russian Federation
Solovieva Ekaterina S., Student of the Department of Building Materials Science,
Moscow.
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Review
For citations:
Stepina I.V., Sodomon M., Kruk A.A., Solovyeva E.S. Thermal degradation of stems of borschtia Sosnovskii modified with monoethanolamine (N→B)- trihydroxyborate. Building and Reconstruction. 2024;(1):109-116. (In Russ.) https://doi.org/10.33979/2073-7416-2024-111-1-109-116
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