Natural-Based Polymers for Functional Devices

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Circular and Green Polymer Science".

Deadline for manuscript submissions: closed (5 March 2023) | Viewed by 2535

Special Issue Editors


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Guest Editor
Department of Chemical Engineering, University of Louisiana at Lafayette, Lafayette, LA 70504, USA
Interests: catalysis; polymers; natural resources; energy; functional devices

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Guest Editor
Department of Chemical Engineering, University of Arkansas, Fayetteville, AR, USA
Interests: polymers; material characterization; nanoparticles/composites/tech; bioplastics; complex fluids/transport

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Guest Editor
Department of Chemical and Materials Engineering, University of Dayton, Dayton, OH, USA
Interests: polymers; nanomaterials; nanocomposites; engineering education

Special Issue Information

Dear Colleague,

Natural-based polymers can be generally categorized into two classes, (1) naturally derived polymers from plants, animals, and microorganisms and (2) purified, physically and/or chemically modified natural polymers. Natural-based polymers have various advantages, such as greater sustainability, high mechanical and electrochemical stability, high biocompatibility, etc. In recent decades, rapid developments in chemistry and nanotechnologies have led to an arsenal of synthetic protocols which enable scientists to make potentially useful polymer compounds with elegance and accuracy. The versatility in functional groups and structures facilitates the application of natural-based polymers in electrolytes, photocatalysts, electrocatalysts, electronic and photoelectric devices, etc. This Special Issue calls for full research papers, communications, and review articles on the synthesis, characterization, and applications of natural-based polymers in functional devices. The Special Issue serves to report cutting-edge technologies and explore potential solutions for energy depletion and environmental challenges.

Dr. Laibao Zhang
Dr. Keisha B. Walters
Prof. Dr. Erick S. Vasquez
Guest Editors

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Keywords

  • natural polymer
  • biomaterial
  • energy device
  • catalyst
  • membrane
  • electrolyte

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Published Papers (1 paper)

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Research

17 pages, 5224 KiB  
Article
High-Power Laser Deposition of Chitosan Polymers: Medical and Environmental Applications
by Georgiana Cocean, Alexandru Cocean, Cristina Postolachi, Silvia Garofalide, Georgiana Bulai, Bogdanel Silvestru Munteanu, Nicanor Cimpoesu, Iuliana Cocean and Silviu Gurlui
Polymers 2022, 14(8), 1537; https://doi.org/10.3390/polym14081537 - 10 Apr 2022
Cited by 8 | Viewed by 2046
Abstract
High-power laser irradiation interaction with natural polymers in biocomposites and Laser-Induced Chitin Deacetylation (LICD) was studied in this work, in order to produce thin films consisting of chitosan composite. The new method can lead to a cutting-edge technology, as a response to the [...] Read more.
High-power laser irradiation interaction with natural polymers in biocomposites and Laser-Induced Chitin Deacetylation (LICD) was studied in this work, in order to produce thin films consisting of chitosan composite. The new method can lead to a cutting-edge technology, as a response to the concern regarding the accumulation of “natural biological waste” and its use. The process consists of high-power laser irradiation applied on oyster shells as the target and deposition of the ablated material on different substrates. The obtained thin films we analyzed by FTIR, UV-VIS and LIF spectroscopy, as well as SEM-EDS and AFM. All the results indicated that chitin was extracted from the shell composite material and converted to chitosan by deacetylation. It was, thus, evidenced that chemical transformation in the chitin polymer side-chain occurs during laser irradiation of the oyster shell and in the resulted plasma plume of ablation. The numerical simulation in COMSOL performed for this study anticipates and confirms the experimental results of chitin deacetylation, also providing information about the conditions required for the physico-chemical processes involved. The high sorption properties of the thin films obtained by a LICD procedure is evidenced in the study. This quality suggests that they should be used in transdermal patch construction due to the known hemostatic and antibacterial effects of chitosan. The resulting composite materials, consisting of the chitosan thin films deposited on hemp fabric, are also suitable for micro-filters in water decontamination or in other filtering processes. Full article
(This article belongs to the Special Issue Natural-Based Polymers for Functional Devices)
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