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Sustainability
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Sustainable Composite Materials
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Sustainable Composite Materials

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Materials".

Deadline for manuscript submissions: closed (24 November 2023) | Viewed by 5425

Special Issue Editors

Dr. Soney C. George

E-Mail Website
Guest Editor
Centre for Nanoscience and Technology, Amal jYothi College of Engineering, Koovappally P.O, Kottayam, Kerala 686518, India
Interests: composites; polymer nanocomposites; supercapacitors; membranes; electrospinning; tribology; pervaporation
Special Issues, Collections and Topics in MDPI journals
Dr. Thomasukutty Jose

E-Mail Website
Guest Editor
Department of Chemistry, Sacred Heart College, Kochi 682013, India
Interests: polymer nanocomposites; membranes; separation process; pervaporation; nanomaterials
Dr. Vishnu Prasad

E-Mail Website
Guest Editor
UCD School of Mechanical and Materials Engineering, University College Dublin, 58622 Belfield, Ireland
Interests: fibre-reinforced composites; mechanical properties; delamination studies; fibre surface treatment of composite materials

Special Issue Information

Dear Colleagues,

Nature has blessed us with countless materials that we use in every aspect of our daily lives. Composites are multiphase materials derived to satisfy our various  needs. The composition of composite materials is changing day by day, with the demand for new materials possessing unique properties. Such materials are widely used in various industries due to their superior mechanical properties, light weight, and corrosion resistance. These materials are present in all facets of our lives, and the scope is ever-expanding. However, their production and disposal raise significant environmental concerns, including high energy consumption, emissions of greenhouse gases, and the generation of non-biodegradable waste. Sustainability research on composite materials aims to reduce the environmental impact of composite materials throughout their lifecycle, from production to disposal.

This Special Issue aims to bring together researchers and experts to showcase the latest sustainable research on composite materials, identify challenges, and propose solutions to promote a greener future.

We hope that this Special Issue will provide a platform for researchers and experts to exchange ideas, showcase their latest research findings, and propose innovative solutions to reduce the environmental impact of composite materials.

Topics of interest:

  • Green composite materials and their production methods;
  • Sustainable design and development of composite materials;
  • Recycling and reuse of composite materials;
  • Environmental impact of composite materials and their disposal;
  • Composite materials for energy applications;
  • Innovative approaches to reduce the carbon footprint of composite materials;
  • Biodegradable composite materials and their applications;
  • Circular economy and sustainability of biocomposites;
  • Role of composites’ decarbonization;
  • Eco-friendly composites;
  • Carbon neutral composites;
  • Industrial applications of green composites.

We look forward to receiving your contributions.

Dr. Soney C. George
Dr. Thomasukutty Jose
Dr. Vishnu Prasad
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. Sustainability is an international peer-reviewed open access semimonthly 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 2400 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

  • composites
  • sustainability
  • recycling
  • eco-friendly
  • circular economy

Published Papers (3 papers)

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Research

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15 pages, 5297 KiB  
Article
Studying the Incorporation of Multi-Walled Carbon Nanotubes in High-Performance Concrete
by Esequiel Mesquita, Ana Mafalda Matos, Israel Sousa, Mylene Vieira and Luís P. M. Santos
Sustainability 2023, 15(17), 12958; https://doi.org/10.3390/su151712958 - 28 Aug 2023
Viewed by 1126
Abstract
The current work aimed to study nanomodified HPC with multi-walled carbon nanotubes (MWCNT). The effect of MWCNT concentration, from 0% to 0.6% of cement weight, was evaluated on HPC multi-level output properties, namely, the flowability, mechanical strength, electrical resistivity, and microstructure. In addition, [...] Read more.
The current work aimed to study nanomodified HPC with multi-walled carbon nanotubes (MWCNT). The effect of MWCNT concentration, from 0% to 0.6% of cement weight, was evaluated on HPC multi-level output properties, namely, the flowability, mechanical strength, electrical resistivity, and microstructure. In addition, a tentative, simplified, and more cost-effective method based on dispersion of a high-pH solution of hydroxide was also adapted to disperse the MWCNT before incorporation in fresh HPC mixtures. Adding 0.2–0.6% MWCNT reduced HPC workability even with a higher superplasticiser dosage. The electrical resistivity was 484.58 Ω m for the HPC without MWCNT at 28 days of curing, while the samples with 0.2%, 0.4%, and 0.6% MWCNT presented 341.41 Ω m, 363.44 Ω m, and 360.34 Ω m, respectively. The use of 0.2–0.6% MWCNT in HPC decreased the flexural and compressive strength by 20% and 30%, respectively. The HPC performance decrease with MWCNT seemed to be related to relatively significant agglomerations of the long MWCNTs, namely, in HPC-0.6% samples. New developments are needed to state a simple and cost-effective dispersion method for MWCNT incorporation in HPC. In addition, smaller dosages of MWCNT are suggested for future research works. Full article
(This article belongs to the Special Issue Sustainable Composite Materials)
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Review

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19 pages, 5409 KiB  
Review
A Comprehensive Review of Sustainability in Natural-Fiber-Reinforced Polymers
by Vishnu Prasad, Amal Alliyankal Vijayakumar, Thomasukutty Jose and Soney C. George
Sustainability 2024, 16(3), 1223; https://doi.org/10.3390/su16031223 - 31 Jan 2024
Cited by 2 | Viewed by 2050
Abstract
Fiber-reinforced polymer composites (FRCs) from renewable and biodegradable fiber and sustainable polymer resins have gained substantial attention for their potential to mitigate environmental impacts. The limitations of these composites become evident when considered in the context of high-performance engineering applications, where synthetic fiber [...] Read more.
Fiber-reinforced polymer composites (FRCs) from renewable and biodegradable fiber and sustainable polymer resins have gained substantial attention for their potential to mitigate environmental impacts. The limitations of these composites become evident when considered in the context of high-performance engineering applications, where synthetic fiber composites like glass or carbon FRCs typically dominate. A balance between the performance of the composite and biodegradability is imperative in the pursuit of what may be termed an environmentally conscious composite. This comprehensive review article provides some insight into the sustainability of FRCs, alongside detailing the sustainability considerations at various stages—materials, performance, applications, and end of life. The discussion also covers the different types of sustainable natural fibers and the types of polymer resins with some of the current achievements in the mechanical and functional properties of such composites, followed by a broad survey of their potential applications across diverse engineering applications. Full article
(This article belongs to the Special Issue Sustainable Composite Materials)
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34 pages, 8183 KiB  
Review
Scientometric Review of Sustainable Fire-Resistant Polysaccharide-Based Composite Aerogels
by Benjamin Tawiah, Emmanuel A. Ofori and Fei Bin
Sustainability 2023, 15(16), 12185; https://doi.org/10.3390/su151612185 - 9 Aug 2023
Cited by 1 | Viewed by 1605
Abstract
Fire safety is a critical concern in various industries necessitating the development of sustainable and effective fire-resistant materials. Sustainable fire-resistant polysaccharide-based composite aerogels are regarded as an innovative solution in fire safety applications, and as such, research in this field has increased consistently [...] Read more.
Fire safety is a critical concern in various industries necessitating the development of sustainable and effective fire-resistant materials. Sustainable fire-resistant polysaccharide-based composite aerogels are regarded as an innovative solution in fire safety applications, and as such, research in this field has increased consistently over the past few years. Despite the plethora of literature on this important subject, only a few studies have attempted to map the global research of sustainable fire-resistant polysaccharide-based composite aerogels to identify the geospatial collaborative network and trend of research. This study utilizes a scientometric review of global trends in sustainable fire-resistant polysaccharide-based composite aerogels research between 2003 and 2023 using VOSviewer and biblioshiny to analyze co-author, co-word, co-citation, clusters, and geospatial maps. A total of 234 bibliographic records from the Scopus database were analyzed to generate the study’s research power networks and geospatial map. The most significant contributions in sustainable fire-resistant polysaccharide-based composite aerogels come from China, the United States, Australia, Canada, and India with records of 194, 20, 11, 9, and 8, respectively. The top five sources for articles in this area of research include ACS Applied Materials and Interfaces, Chemical Engineering Journal, Composite Engineering, ACS Sustainable Chemistry and Engineering, and Carbohydrate Polymers. The application of sustainable fire-resistant polysaccharide-based composite aerogels spans the engineering and construction fields. The versatility in the fabrication and customization allows for seamless integration into diverse applications. The article concludes by emphasizing the significance of sustainable fire-resistant polysaccharide-based composite aerogels as a promising advancement in fire safety technology, combining sustainability, fire resistance, versatility, and mechanical strength to address critical challenges in the field. This review provides important insight into the research challenges, trends, and patterns of sustainable fire-resistant polysaccharide-based composite aerogel research worldwide. Full article
(This article belongs to the Special Issue Sustainable Composite Materials)
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