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Abstract

Multifunctional Composite Materials (with Consolidation, Self-Cleaning and Antimicrobial Properties) Applicable for the Preservation of Inorganic Substrates †

by
Toma Fistos
1,2,*,
Alina Melinescu
2,
Lia Mara Ditu
3,
Anton Ficai
2,
Denisa Ficai
2,
Florica Marinescu
3,
Roxana Ioana Matei (Brazdis)
1,2,
Irina Fierascu
1,4,
Anda Maria Baroi
1,4,
Cristian-Andi Nicolae
1 and
Radu Claudiu Fierascu
1,2
1
National Institute for Research & Development in Chemistry and Petrochemistry—ICECHIM Bucharest, 202 Spl. Independentei, 060021 Bucharest, Romania
2
Faculty of Chemical Engineering and Biotechnology, National University of Science and Technology Politehnica Bucharest, 1-7 Gh. Polizu Str., 011061 Bucharest, Romania
3
Faculty of Biology, University of Bucharest, 90 Panduri Street, 050663 Bucharest, Romania
4
Faculty of Horticulture, University of Agronomic Sciences and Veterinary Medicine of Bucharest, Bucharest, 59 Marasti Blvd., 011464 Bucharest, Romania
*
Author to whom correspondence should be addressed.
†
Presented at the 19th International Symposium “Priorities of Chemistry for a Sustainable Development”, Bucharest, Romania, 11–13 October 2023.
Proceedings 2023, 90(1), 23; https://doi.org/10.3390/proceedings2023090023
Published: 8 December 2023
Browse Figure
Versions Notes

Abstract

:
The aim of this study is to synthesize different polymeric solutions by mixing different types of polymers, metallic oxides and hydroxyapatites in different ratios suspended in alcoholic solutions and to evaluate the effectiveness of the obtained solutions by testing them on the most common types of bricks (adobe, classic, fire and cement).

1. Introduction

Due to the fact that we live in a continuously developing world, the degradation processes of heritage objects remain inevitable over time. For this reason, the continuous development of advanced materials capable of counteracting specific degradation processes is important. The destruction of heritage objects is usually linked to biological corrosion, caused by various microorganisms that include enzymes, organic and inorganic acids, amino acids, organic compounds, toxins, pigments, etc. The mechanism of damage mostly depends on the structure of the materials on which the microorganisms involved in biodeterioration grow, while the chemical composition of the substrate determines the type of microorganism. Due to the problem this research addresses, the multifunctional materials that will be obtained within this project will contribute to its sustainability after the implementation period [1,2,3,4].

2. Materials and Methods

In this study, different polymeric solutions were synthesized. The polymeric solutions were obtained by mixing different types of polymers, metallic oxides and hydroxyapatites in different ratios suspended in alcoholic solutions. To test the effectiveness of the obtained solutions, we manufactured as an inorganic support the most common types of bricks (adobe, classic, fire and cement) used in different heritage monuments. The obtained solutions were tested by different techniques to check if they have antimicrobial, hydrophobic and photocatalytic properties.

3. Results

Below is displayed a picture with classic bricks treated with the six different polymeric compounds (Figure 1).

4. Conclusions

Both the inorganic support materials and the multifunctional polymer solutions were successfully obtained and the antimicrobial, hydrophobicity and photocatalytic tests showed promising preliminary results.

Author Contributions

Conceptualization, A.F. and R.C.F.; methodology, F.M., A.M., I.F., D.F., A.F., L.M.D. and R.C.F.; formal analysis R.C.F., A.F., I.F., A.M., L.M.D. and D.F., investigation, T.F., R.I.M., A.M.B., F.M. and C.-A.N.; writing—original draft preparation, R.C.F. and I.F.; writing—review and editing, R.C.F., L.M.D., A.F., I.F. and D.F.; supervision, R.C.F., L.M.D., A.F., I.F. and D.F.; project administration, R.C.F. All authors have read and agreed to the published version of the manuscript.

Funding

This work was supported by the Ministry of Research, Innovation and Digitization, CCCDI—UEFISCDI, project number PN-III-P2-2.1-PED-2021-0627, contract 591PED/2022, within PNCDI III. The support provided by the Ministry of Research, Innovation and Digitization through Program 1—Development of the national research and development system, Subprogram 1.2—Institutional performance—Projects to finance excellence in RDI, contract no. 15PFE/2021, is also gratefully acknowledged.

Institutional Review Board Statement

Not applicable.

Informed Consent Statement

Not applicable.

Data Availability Statement

The supporting data are available from the corresponding author.

Conflicts of Interest

The authors declare no conflict of interest.

References

  1. Bell, G. Euros are not the only fruit-Reaping the full harvest of Cultural Heritage. In Cultural Heritage as Economic Value; Mergos, G., Patsavos, N., Eds.; InHeriT: Athens, Greece, 2016; pp. 50–60. [Google Scholar]
  2. Nilson, T.; Thorell, K. Cultural Heritage Preservation: The Past, the Present and the Future; HH Press: Halmstad, Sweden, 2018. [Google Scholar]
  3. Fierascu, R.C.; Doni, M.; Fierascu, I. Selected Aspects Regarding the Restoration/Conservation of Traditional Wood and Masonry Building Materials: A Short Overview of the Last Decade Findings. Appl. Sci. 2020, 10, 1164. [Google Scholar] [CrossRef]
  4. Fierascu, R.C.; Fierascu, I.; Brazdiș, R.I.; Baroi, A.M.; Ortan, A. Antimicrobial Coating and with a Protective Role for Natural Stone Surfaces with Cultural Value and Method of Obtaining It. A00072, 13 February 2020. [Google Scholar]
Proceedings 90 00023 g001
Figure 1. Classic bricks on which the obtained polymer solutions were applied.
Figure 1. Classic bricks on which the obtained polymer solutions were applied.
Proceedings 90 00023 g001
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Share and Cite

MDPI and ACS Style

Fistos, T.; Melinescu, A.; Ditu, L.M.; Ficai, A.; Ficai, D.; Marinescu, F.; Matei, R.I.; Fierascu, I.; Baroi, A.M.; Nicolae, C.-A.; et al. Multifunctional Composite Materials (with Consolidation, Self-Cleaning and Antimicrobial Properties) Applicable for the Preservation of Inorganic Substrates. Proceedings 2023, 90, 23. https://doi.org/10.3390/proceedings2023090023

AMA Style

Fistos T, Melinescu A, Ditu LM, Ficai A, Ficai D, Marinescu F, Matei RI, Fierascu I, Baroi AM, Nicolae C-A, et al. Multifunctional Composite Materials (with Consolidation, Self-Cleaning and Antimicrobial Properties) Applicable for the Preservation of Inorganic Substrates. Proceedings. 2023; 90(1):23. https://doi.org/10.3390/proceedings2023090023

Chicago/Turabian Style

Fistos, Toma, Alina Melinescu, Lia Mara Ditu, Anton Ficai, Denisa Ficai, Florica Marinescu, Roxana Ioana Matei (Brazdis), Irina Fierascu, Anda Maria Baroi, Cristian-Andi Nicolae, and et al. 2023. "Multifunctional Composite Materials (with Consolidation, Self-Cleaning and Antimicrobial Properties) Applicable for the Preservation of Inorganic Substrates" Proceedings 90, no. 1: 23. https://doi.org/10.3390/proceedings2023090023

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