Special Issue "Natural Materials in Functional Coatings"

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Bioactive Coatings and Biointerfaces".

Deadline for manuscript submissions: 31 March 2021.

Special Issue Editors

Dr. Radu Claudiu Fierascu
Website
Guest Editor
National Institute for Research & Development in Chemistry and Petrochemistry – ICECHIM Bucharest, Emerging Nanotechnologies Group Bucharest, Romania
Interests: nanotechnology; materials science; functional coatings; natural products
Dr. Irina Fierascu
Website
Guest Editor
National Institute for Research & Development in Chemistry and Petrochemistry – ICECHIM Bucharest, Emerging Nanotechnologies Group Bucharest, Romania
Interests: natural products separation; analytical characterisation; natural product properties

Special Issue Information

Dear Colleagues,

The Special Issue on “Natural Materials in Functional Coatings” would like to inspire researchers all over to world to contribute with their most exciting results in the area of natural materials (extracts, essential oils, individual compounds isolated from natural sources) for the development of functional coatings.

Nature reserves continues to surprise us regarding the properties and possible applications of natural materials. With the development of modern extraction methods (and the analytical tools necessary for their characterization), we are slowly rediscovering the potential of natural products. The incorporation of natural materials will offer not only “greener” alternatives for the coatings area but could also enhance their properties.

The term “functional coatings” will cover both their intrinsic functionality (such as, for example, superhydrophobicity, antimicrobial, antifouling, antireflective radar absorbing properties, and self-stratification, conductivity) and stimuli responsive functionality (such as thermochromic, color shifting, touch sensitive, corrosion- and explosive-resistant, self-healing, shape-memory materials, etc.).

Regardless of whether we are speaking of antimicrobial coatings for biomedical applications, coatings for increasing the shelf-life of commercial products, or coatings for the conservation of cultural heritage artifacts, and so on, the selected area will offer the interested reader an overlook of the recent developments recorded in recent years.

Original research and review papers are welcomed in the following topics (though not exclusively):

  • Natural materials in antimicrobial coatings;
  • Natural materials used in coatings for increasing the commercial products’ shelf-life;
  • Natural materials for the development of protective coatings in cultural heritage applications;
  • Natural materials for other functional coatings.

The works submitted to the Special Issue should contain details on the obtaining/characterization of the natural materials, incorporation in functional coatings, as well as the demonstration of the coatings’ properties.

Dr. Radu Claudiu Fierascu
Dr. Irina Fierascu
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 papers will be 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 1600 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

  • natural materials
  • functional coatings
  • organic and inorganic coatings
  • antimicrobial coatings
  • protective coatings

Published Papers (2 papers)

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Research

Open AccessArticle
Chitosan Solution Containing Zein and Essential Oil as Bio Based Coating on Packaging Paper
Coatings 2020, 10(5), 497; https://doi.org/10.3390/coatings10050497 (registering DOI) - 22 May 2020
Abstract
Modifications of the packaging paper surface play an important role in a variety of industries, especially in the food sector. Uncoated paper has poor water and oil barrier properties due to its porous structure. In this study, packaging paper was successfully coated with [...] Read more.
Modifications of the packaging paper surface play an important role in a variety of industries, especially in the food sector. Uncoated paper has poor water and oil barrier properties due to its porous structure. In this study, packaging paper was successfully coated with six different coating solutions containing combinations of chitosan, zein and rosemary essential oil. The chitosan and zein were actually coated in two layers; the mixed chitosan–rosemary oil and the mixed zein–rosemary oil were each applied as one layer to the paper. The results showed increased oil barrier properties in the papers coated with mixed zein–rosemary oil and reduced water permeability in the papers coated with the chitosan–rosemary oil coating solution. The result of this two-layer coating showed excellent water (Cobb60 value of 2.18 g/m2) and oil barrier properties. All the coated papers showed a high thermal stability, especially those coated with chitosan, zein and rosemary oil layer by layer. Scanning electron microscopy was used to verify the surface differences of the coated papers, such as the closed structure, pores and smoother surface, especially in the layer-wise coated samples. Due to their good mechanical and chemical properties, coated papers with rosemary oil can be used in many applications, possibly also in the field of repellents. Full article
(This article belongs to the Special Issue Natural Materials in Functional Coatings)
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Open AccessFeature PaperArticle
Biomimetic Sensitive Elements for 2,4,6-Trinitrotoluene Tested on Multi-Layered Sensors
Coatings 2020, 10(3), 273; https://doi.org/10.3390/coatings10030273 - 15 Mar 2020
Abstract
In spite of technological progress, most of the current techniques for 2,4,6-trinitrotoluene (TNT) detection are time consuming due to laborious sensor preparation. Thereby, the aim of this work was to enlarge the knowledge for preparing sensitive elements for TNT with the aid of [...] Read more.
In spite of technological progress, most of the current techniques for 2,4,6-trinitrotoluene (TNT) detection are time consuming due to laborious sensor preparation. Thereby, the aim of this work was to enlarge the knowledge for preparing sensitive elements for TNT with the aid of molecular imprinting; a known technique used to deliver biomimetic materials. The study first depicts the auto-assembly mechanism of (TNT) with functional diamino-silanes (i.e., N-(2-aminoethyl)-3-aminopropyl methyl dimethoxysilane), via “double” Meisenheimer complexes. This mechanism is being described herein for the first time and applied further to obtain molecularly imprinted polymer (MIP) films for TNT recognition. For testing the potential application of films as chemical sensor elements, typical rebinding assays of TNT in a liquid state and the rebinding of TNT in a vapor state, using multilayered sensor chips composed of quartz-chromium (Cr)-gold (Au)-titanium oxide (TiO2), were employed. Batch rebinding experiments have shown that thinner films were more efficient on retaining TNT molecules in the first five min, with a specificity of about 1.90. The quartz-Cr-Au-TiO2-MIP capacitive sensors, tested in vapor state, registered short response times (less than 25 s), low sensitivity to humidity and high specificity for TNT. Full article
(This article belongs to the Special Issue Natural Materials in Functional Coatings)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

1. Title: Nanostructured natural polymers for bioactive food packaging

Authors: Ludmila Motelica, Denisa Ficai, Ovidiu Cristian Oprea, Anton Ficai, Ecaterina Andronescu 

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