Surface Biotreatment of Building Materials

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: closed (31 March 2022) | Viewed by 1690

Special Issue Editors


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Guest Editor
Department of Civil Engineering, NOVA School of Science and Technology, NOVA University of Lisboa, 2829-516 Caparica, Portugal
Interests: earth-based building materials; earth building technologies; waste-based construction materials; artificial pozzolans; low embodied energy binders; building limes; architectural heritage conservation; vernacular construction rehabilitation
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Guest Editor
Department of Agricultural Engineering and Sciencies, University of Leon, 24071 Leon, Spain
Interests: recycled aggregates; construction and demolition waste; recycled concrete; construction materials; bioinspired approaches; bacterial calcium carbonate precipitation; polyhydroxyalkanoates as surface biotreatment; bioformulation of concrete and mortar
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Escola Superior Gallaecia, Ensino Superior Universitário, 4920-275 Vila Nova de Cerveira, Portugal
Interests: built heritage; conservation and restoration; natural products for surface protection; earthen and stone materials conservation

Special Issue Information

Dear Colleagues,

The surfaces of building materials are subject to weathering, dirt, and abrasion by common use. To amplify the service life of exposed building materials, coatings and surface treatments compatible to the substrate can be applied. Surface coatings and treatments with bio-based products have long been a possibility but have recaptured the attention of researchers and industry in recent years, mainly due to environmental and health-related concerns. Bio-based materials that can be applied directly or used to formulate bioproducts can be remarkably diverse. Natural oils, such as linseed oil, waxes, and other bio-based materials, can be applied directly to treat building material surfaces. Animal fats, plant mucilage, and others can be incorporated in lime putties to improve multifunctionality when used for limewash or to formulate rendering mortars. Recent theoretical and experimental developments have benefited from vernacular practices and resulted in innovative products with multifunctional performance. Such is the case of bioproducts developed from bacteria, enzymes, or biopolymers. Production, availability in terms of packaging and transport to the working site, application technologies, health application concerns for workers and society, testing, compatibility with the substrates, durability under on-site conditions, economical and environmental assessment, and numerical simulations validated by data are all aspects that need further research and dissemination.

Although not closed to other related concepts, this Special Issue will serve as a forum for articles on the following concepts:

  • State-of-the-art vernacular and innovative bioproducts and biotreatments applied on building material surfaces;
  • Bioproduct production and biotreatment application techniques, considering societal, economic and environmental concerns;
  • Specific test methods to assess bioproduct and biotreatment efficiency, surface compatibility, and durability in laboratory and on-site conditions;
  • Experimental results of simple to multifunctional biotreatments, exposed to conditions ranging from common to extreme;
  • Numerical simulations to predict bio-based coating product properties, performance, durability, and reliability in service environments;
  • Environmental assessment of innovative bioproducts for building surfaces, namely in comparison to inorganic ones.

Dr. Paulina Faria
Dr. Julia García-González
Dr. Telma Ribeiro
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Coatings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • building surface coating
  • bio-based building material
  • bioproduct
  • compatibility
  • ecoefficiency

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Published Papers (1 paper)

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Research

11 pages, 2297 KiB  
Article
Statistical Study of the Effectiveness of Surface Application of Graphene Oxide as a Coating for Concrete Protection
by Andrea Antolín-Rodríguez, Daniel Merino-Maldonado, Álvaro Rodríguez-González, María Fernández-Raga, José Miguel González-Domínguez, Andrés Juan-Valdés and Julia García-González
Coatings 2023, 13(1), 213; https://doi.org/10.3390/coatings13010213 - 16 Jan 2023
Cited by 7 | Viewed by 2188
Abstract
Improving the protection of concrete by applying graphene oxide (GO) as a surface treatment has become the objective of the present study. This study focuses on performing a statistical analysis to study different levels of GO application as an exterior coating, thus observing [...] Read more.
Improving the protection of concrete by applying graphene oxide (GO) as a surface treatment has become the objective of the present study. This study focuses on performing a statistical analysis to study different levels of GO application as an exterior coating, thus observing the effectiveness of the coating and the optimization of the treatment material for concrete protection. Four tests were performed to define concrete durability, such as pressurized water penetration, capillary absorption, freeze-thaw resistance and carbonation resistance. The results showed an increase in concrete durability with any level of GO application on the surface, considering that the optimum amount of application for water impermeability and freeze-thaw resistance is 26.2 µg/cm2, since it was possible to reduce pressurized water penetration by 45%, capillary water absorption by 57% and freeze-thaw detachment by 25%. However, the optimum application rate for carbonation resistance is 52.4 µg/cm2, reducing carbonation by almost 60%. In conclusion, if the concrete is going to be exposed to less aggressive environments, the application of a mild surface coating of GO is sufficient for its protection, and if the concrete is going to be exposed to more aggressive environments, it is necessary to increase the amount of GO. The performance of GO as a coating significantly increased the degree of protection of the concrete, increasing its service life and proving to be a promising treatment for concrete surface protection. Full article
(This article belongs to the Special Issue Surface Biotreatment of Building Materials)
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