| Issue |
MATEC Web Conf.
Volume 245, 2018
International Scientific Conference on Energy, Environmental and Construction Engineering (EECE-2018)
|
|
|---|---|---|
| Article Number | 11008 | |
| Number of page(s) | 8 | |
| Section | Innovative Technologies for Technosphere Safety | |
| DOI | https://doi.org/10.1051/matecconf/201824511008 | |
| Published online | 05 December 2018 | |
The enhancement of operating properties of intumescent fire-protective compositions
1
Peter the St. Petersburg Polytechnic University, Polytechnicheskaya 29, St. Petersburg, 195251, Russian Federation
2
“Gefest” Enterprise group, 65A Serdobolskaya st., St. Petersburg, 197342, Russian Federation
3
Ioffe Physical-Technical Institute of the Russian Academy of Sciences, 26 Politekhnicheskaya, St. Petersburg, 194021, Russian Federation
* Corresponding author: au.spbpu@gmail.com
The paper overviews the operational properties of charred layers which are forming as a result of thermolytical synthesis of intumescent coatings, and the ways of enhancing those properties using different additives mixed with initial intumescent composition. Methods including differential thermal analysis, thermogravimetric analysis, microscale calorimetry and scanning electron microscopy were used to investigate the modified intumescent compositions and the properties of charred layers formed from them. Results show that additives tend to change the microstructure of char which undergoes some transformations; it is proven by increase in volume and stability. Also it is shown that melamine-aldehyde resin was detected in the microstructure of char, and it is a step forward in forming a holistic conception of intumescents operating.
© The Authors, published by EDP Sciences, 2018
This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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