Possibility of Using a Geopolymer Containing Phase Change Materials as a Sprayed Insulating Coating - Preliminary Results

Michał Łach; Agnieszka Bąk; Kinga Pławecka; Maria Hebdowska-Krupa

doi:10.46604/emsi.2023.11989

Authors

Michał Łach Department of Material Engineering and Physics, Cracow University of Technology, Kraków, Poland
Agnieszka Bąk Department of Material Engineering and Physics, Cracow University of Technology, Kraków, Poland
Kinga Pławecka Department of Material Engineering and Physics, Cracow University of Technology, Kraków, Poland
Maria Hebdowska-Krupa Department of Material Engineering and Physics, Cracow University of Technology, Kraków, Poland

DOI:

https://doi.org/10.46604/emsi.2023.11989

Keywords:

geopolymer, insulating materials, sprayed coatings, phase change material

Abstract

Geopolymers have been known for decades and classified as inorganic polymers, characterized by high resistance to high temperatures. They can be successfully used for the thermal insulation of buildings, especially in the foamed form. The addition of phase change materials (PCMs) in such materials may also increase the heat capacity of the materials, therefore, using them for building cladding can increase the thermal comfort of the building and prevent it from overheating. This study tests the addition of PCMs to geopolymers by spraying and presents the results. Additionally, the study includes preliminary experience concerning the technology of applying these materials, along with selected test results that assess the properties of the produced coatings. The results indicate that the addition of PCMs in the amount of 15% can increase the heat capacity of geopolymer materials by about 150-180%, and the foamed geopolymer coatings produced have a thermal conductivity in the range of 0.07-0.09 W/mK.

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