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Coatings
Special Issues
Functional Coatings for Cultural Heritage Conservation
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Functional Coatings for Cultural Heritage Conservation

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Corrosion, Wear and Erosion".

Deadline for manuscript submissions: 30 June 2024 | Viewed by 1441

Special Issue Editors

Dr. Alice Dal Fovo

E-Mail Website
Guest Editor
Consiglio Nazionale delle Ricerche–Istituto Nazionale di Ottica, CNR–INO, Largo E. Fermi, 650125 Florence, Italy
Interests: non-invasive diagnostics of works of art; multispectral analysis; VIS-NIR spectroscopy; 3D survey; optical coherence tomography; NLO microscopies; photo-acoustics
Special Issues, Collections and Topics in MDPI journals
Dr. Raffaella Fontana

E-Mail Website
Guest Editor
National Research Council – National Institute of Optics, CNR-INO, Largo E. Fermi, 650125 Florence, Italy
Interests: design, development, and application of instruments for the non-invasive diagnostics of works of art; multispectral imaging (UV-VIS-NIR, THz); OCT (optical coherence tomography); 3D survey; NLOM (nonlinear optical microscopies)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Today, a wide variety of film-forming materials are used for the protection and conservation of works of art. Coatings applied in the past have undergone transformations that have caused their morphological and structural properties to deteriorate. In order to verify the performance and durability of these materials, their chemical and physical characterisation is of paramount importance. It is also necessary to focus the research on the development of new eco-friendly materials that are compatible with the objects to be preserved and that can be removed with green solvents or other methods that do not affect the substrate.

The aim of this Special Issue is to expand the research into the development, characterisation and monitoring of materials that can be used as protective coatings on artworks of various types, compositions and sizes. Also of great interest is the definition of new methods for the removal and replacement of coatings, including the monitoring of the cleaning process.

Dr. Alice Dal Fovo
Dr. Raffaella Fontana
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

  • coatings
  • non-invasive analysis
  • cleaning
  • monitoring

Published Papers (1 paper)

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Research

20 pages, 12472 KiB  
Article
Organic Patinas on Small Historical Bronzes: From Mock-Ups to Actual Artworks
by Monica Galeotti, Simone Porcinai, Andrea Cagnini, Maria Baruffetti, Caterina Biondi, Alice Dal Fovo and Raffaella Fontana
Coatings 2024, 14(2), 212; https://doi.org/10.3390/coatings14020212 - 06 Feb 2024
Viewed by 977
Abstract
This paper deals with the study of organic coatings (patinas) on historical bronzes, specifically those applied on small-size statues in Renaissance workshops. These coatings, often transparent and translucent, contain a mixture of organic and inorganic components and may be still preserved [...] Read more.
This paper deals with the study of organic coatings (patinas) on historical bronzes, specifically those applied on small-size statues in Renaissance workshops. These coatings, often transparent and translucent, contain a mixture of organic and inorganic components and may be still preserved in hidden parts of statues in indoor displays. However, the complexity of the original varnishes, their degradation and alteration over time, and the coexistence of materials added for conservation and maintenance purposes are challenging for their characterization. The often well-preserved surface of varnished bronzes and their small size make it mandatory to make the most of using noninvasive techniques for their investigation. To this end, to simulate the actual historical coatings, we prepared a set of mock-ups following ancient recipes and using materials that were available in the Renaissance. We used the samples to assess to what extent it is possible to disclose the formulation (binders, colourants, and other additives) and the thickness of a Renaissance patina with noninvasive methods. Microprofilometry (MP), optical coherence tomography (OCT), and eddy current (EC) gauge were tested on the samples and the results were combined with reflectance Fourier transform infrared (FT-IR) spectroscopy. The analyses performed on the mock-ups set the ground for investigating a Renaissance bronze featuring reddish semi-transparent varnish layers. The achievements are discussed in this paper, along with the limitations of the use of a noninvasive approach. Full article
(This article belongs to the Special Issue Functional Coatings for Cultural Heritage Conservation)
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