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Latest Developments of Composites in Bioengineering: Structure, Morphology, Properties and...
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Latest Developments of Composites in Bioengineering: Structure, Morphology, Properties and Application

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (20 January 2025) | Viewed by 7108

Special Issue Editors

Dr. Donatella Duraccio

E-Mail
Guest Editor
National Research Council (CNR), STEMS, Strada delle Cacce 73, 10135 Turin, Italy
Interests: polymer composites and nanocomposites; biopolymers; coatings; structure–property relationship; food packaging; biomedical engineering
Special Issues, Collections and Topics in MDPI journals
Dr. Maria Giulia Faga

E-Mail Website
Guest Editor
National Research Council (CNR), STEMS, Strada delle Cacce 73, 10135 Turin, Italy
Interests: composite materials; oxidic bioceramics; coatings; wear; industrial engineering; surface properties

Special Issue Information

Dear Colleagues,

A composite material is made of two or more constituents with different characteristics, resulting in synergistic properties that cannot be achieved from either component alone. The term ‘biocomposites’ specially refers to those composites that can be employed in bioengineering. By modifying the type and distribution of the reinforcing phases in the composites it is possible to allow the modification of a variety of biological and mechanical properties, which enhances the performance of biomedical devices and their interactions with surrounding tissues. In this light, the latest developments of composites will be the main topic of this Special Issue. It will cover basic scientific and engineering aspects of composites. There are no limits in terms of composition, type of matrix (natural or synthetic polymers, metals, ceramic materials), nature and dimensions of the fillers. Short communications, full papers, and reviews are all welcome. Research on green materials or processings is strongly encouraged.

Dr. Donatella Duraccio
Dr. Maria Giulia Faga
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. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. 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

  • biocomposites
  • polymer composites
  • metal composites
  • ceramic composites
  • hybrid composites
  • synthesis, characterization, and properties of composites
  • structure-property relationships of composites

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Published Papers (3 papers)

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Research

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19 pages, 11731 KiB  
Article
Enhanced CO2 Capture Potential of Chitosan-Based Composite Beads by Adding Activated Carbon from Coffee Grounds and Crosslinking with Epichlorohydrin
by Vorrada Loryuenyong, Worranuch Nakhlo, Praifha Srikaenkaew, Panpassa Yaidee, Achanai Buasri and Apiluck Eiad-Ua
Int. J. Mol. Sci. 2024, 25(16), 8916; https://doi.org/10.3390/ijms25168916 - 16 Aug 2024
Cited by 1 | Viewed by 3075
Abstract
Carbon dioxide (CO2) capture has been identified as a potential technology for reducing the anthropic emissions of greenhouse gases, particularly in post-combustion processes. The development of adsorbents for carbon capture and storage is expanding at a rapid rate. This article presents [...] Read more.
Carbon dioxide (CO2) capture has been identified as a potential technology for reducing the anthropic emissions of greenhouse gases, particularly in post-combustion processes. The development of adsorbents for carbon capture and storage is expanding at a rapid rate. This article presents a novel sustainable synthesis method for the production of chitosan/activated carbon CO2 adsorbents. Chitosan is a biopolymer that is naturally abundant and contains amino groups (–NH2), which are required for the selective adsorption of CO2. Spent coffee grounds have been considered as a potential feedstock for the synthesis of activated coffee grounds through carbonization and chemical activation. The chitosan/activated coffee ground composite microspheres were created using the emulsion cross-linking method with epichlorohydrin. The effects of the amount of chitosan (15, 20, and 25 g), activated coffee ground (10, 20, 30, and 40%w/w), and epichlorohydrin (2, 3, 4, 5, 6, 7 and 8 g) were examined. The CO2 capture potential of the composite beads is superior to that of the neat biopolymer beads. The CO2 adsorbed of synthesized materials at a standard temperature and pressure is improved by increasing the quantity of activated coffee ground and epichlorohydrin. These findings suggest that the novel composite bead has the potential to be applied in CO2 separation applications. Full article
(This article belongs to the Special Issue Latest Developments of Composites in Bioengineering: Structure, Morphology, Properties and Application)
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14 pages, 4497 KiB  
Article
Effect of Poly(propylene carbonate) on Properties of Polylactic Acid-Based Composite Films
by Kang Chen, Xinyu Zhang, Zanru Wang, Ce Sun, Haiyan Tan and Yanhua Zhang
Int. J. Mol. Sci. 2024, 25(9), 4730; https://doi.org/10.3390/ijms25094730 - 26 Apr 2024
Cited by 1 | Viewed by 1912
Abstract
To enrich the properties of polylactic acid (PLA)-based composite films and improve the base degradability, in this study, a certain amount of poly(propylene carbonate) (PPC) was added to PLA-based composite films, and PLA/PPC-based composite films were prepared by melt blending and hot-press molding. [...] Read more.
To enrich the properties of polylactic acid (PLA)-based composite films and improve the base degradability, in this study, a certain amount of poly(propylene carbonate) (PPC) was added to PLA-based composite films, and PLA/PPC-based composite films were prepared by melt blending and hot-press molding. The effects of the introduction of PPC on the composite films were analyzed through in-depth studies on mechanical properties, water vapor and oxygen transmission rates, thermal analysis, compost degradability, and bacterial inhibition properties of the composite films. When the introduction ratio coefficient of PPC was 30%, the tensile strength of the composite film increased by 19.68%, the water vapor transmission coefficient decreased by 14.43%, and the oxygen transmission coefficient decreased by 18.31% compared to that of the composite film without PPC, the cold crystallization temperature of the composite film increased gradually from 96.9 °C to 104.8 °C, and PPC improved the crystallization ability of composite film. The degradation rate of the composite film with PPC increased significantly compared to the previous one, and the degradation rate increased with the increase in the PPC content. The degradation rate was 49.85% and 46.22% faster on average than that of the composite film without PPC when the degradation was carried out over 40 and 80 days; the composite film had certain inhibition, and the maximum diameter of the inhibition circle was 2.42 cm. This study provides a strategy for the development of PLA-based biodegradable laminates, which can promote the application of PLA-based laminates in food packaging. Full article
(This article belongs to the Special Issue Latest Developments of Composites in Bioengineering: Structure, Morphology, Properties and Application)
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Review

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23 pages, 19088 KiB  
Review
Tribological Properties of Blocky Composites with Carbon Nanotubes
by Chaoxiang Hu, Yunqing Gu, Qianfeng Qiu, Hongxin Ding, Jiegang Mou, Denghao Wu, Longbiao Ma, Maosen Xu and Chengqi Mou
Int. J. Mol. Sci. 2024, 25(7), 3938; https://doi.org/10.3390/ijms25073938 - 1 Apr 2024
Cited by 1 | Viewed by 1394
Abstract
A large amount of primary energy is lost due to friction, and the study of new additive materials to improve friction performance is in line with the concept of low carbon. Carbon nanotubes (CNTs) have advantages in drag reduction and wear resistance with [...] Read more.
A large amount of primary energy is lost due to friction, and the study of new additive materials to improve friction performance is in line with the concept of low carbon. Carbon nanotubes (CNTs) have advantages in drag reduction and wear resistance with their hollow structure and self-lubricating properties. This review investigated the mechanism of improving friction properties of blocky composites (including polymer, metal, and ceramic-based composites) with CNTs’ incorporation. The characteristic tubular structure and the carbon film make low wear rate and friction coefficient on the surface. In addition, the effect of CNTs’ aggregation and interfacial bond strength on the wear resistance was analyzed. Within an appropriate concentration range of CNTs, the blocky composites exhibit better wear resistance properties. Based on the differences in drag reduction and wear resistance in different materials and preparation methods, further research directions of CNTs have been suggested. Full article
(This article belongs to the Special Issue Latest Developments of Composites in Bioengineering: Structure, Morphology, Properties and Application)
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