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Influence of Superabsorbent Polymers on Moisture Control in Building Interiors

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  • Jan Fořt

    (Institute of Technology and Business in České Budějovice, Okružní 517/10, 370 01 České Budějovice, Czech Republic
    Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, 160 00 Prague, Czech Republic)

  • Jan Kočí

    (Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, 160 00 Prague, Czech Republic)

  • Jaroslav Pokorný

    (Institute of Technology and Business in České Budějovice, Okružní 517/10, 370 01 České Budějovice, Czech Republic)

  • Robert Černý

    (Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University in Prague, Thákurova 7, 160 00 Prague, Czech Republic)

Abstract

Moisture loads in building interiors are accompanied by a deterioration of the indoor air quality. Such a phenomenon may induce serious health risks for building inhabitants as well as degradation of furnishing. Unfortunately, the employment of additional heat, ventilation and air conditioning (HVAC) devices does not comply with the sustainability principle due to increased energy consumption, thus cannot be viewed as an efficient solution. This study deals with the use of superabsorbent polymers (SAP) in cement-lime plasters, thus extends the current state of knowledge and outlines further possible development of novel moisture responsive plasters since lightweight aggregates do not provide the desired performance. To be specific, this paper contemplates the experimental analysis of novel plasters modified by 0.5, 1 and 1.5 wt. % of SAP to obtain input parameters for computational modeling. Based on the obtained outputs, the incorporation of SAP admixture resulted in a substantial increase in moisture transport properties including the water absorption coefficient and water vapor diffusion properties. The performed computational modeling revealed a considerable reduction of relative humidity fluctuations, thus mitigation of potential health issues associated with undesired moisture content in building interiors. Achieved results indicate that the SAP enhanced plasters have substantial passive moisture buffering performance and thus may contribute to the improvement of indoor air quality.

Suggested Citation

  • Jan Fořt & Jan Kočí & Jaroslav Pokorný & Robert Černý, 2020. "Influence of Superabsorbent Polymers on Moisture Control in Building Interiors," Energies, MDPI, vol. 13(8), pages 1-13, April.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:8:p:2009-:d:347148
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    References listed on IDEAS

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    1. Ricciu, Roberto & Besalduch, Luigi A. & Galatioto, Alessandra & Ciulla, Giuseppina, 2018. "Thermal characterization of insulating materials," Renewable and Sustainable Energy Reviews, Elsevier, vol. 82(P2), pages 1765-1773.
    2. Meng Yu & Xuejun Zhang & Yang Zhao & Xiaobin Zhang, 2019. "A Novel Passive Method for Regulating Both Air Temperature and Relative Humidity of the Microenvironment in Museum Display Cases," Energies, MDPI, vol. 12(19), pages 1-17, October.
    3. Jan Kočí & Václav Kočí & Robert Černý, 2019. "A Method for Rapid Evaluation of Thermal Performance of Wall Assemblies Based on Geographical Location," Energies, MDPI, vol. 12(7), pages 1-16, April.
    4. Shui Yu & Yumeng Cui & Yifei Shao & Fuhong Han, 2019. "Research on the Comprehensive Performance of Hygroscopic Materials in an Office Building Based on EnergyPlus," Energies, MDPI, vol. 12(1), pages 1-17, January.
    5. Jan Fořt & Radimír Novotný & Anton Trník & Robert Černý, 2019. "Preparation and Characterization of Novel Plaster with Improved Thermal Energy Storage Performance," Energies, MDPI, vol. 12(17), pages 1-13, August.
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    Cited by:

    1. Jan Fořt & Jiří Šál & Jaroslav Žák, 2021. "Combined Effect of Superabsorbent Polymers and Cellulose Fibers on Functional Performance of Plasters," Energies, MDPI, vol. 14(12), pages 1-12, June.

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