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Polymers
Special Issues
Polymeric Porous Materials and Derivatives for Advanced Applications
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Polymeric Porous Materials and Derivatives for Advanced Applications

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

Deadline for manuscript submissions: closed (5 July 2023) | Viewed by 4004

Special Issue Editors

Dr. Antonio M. Borrero-López

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Guest Editor
Departamento de Ingeniería Química, Chemical Process and Product Technology Research Centre (Pro2TecS), Universidad de Huelva, Huelva, Spain
Interests: supercapacitors; energy storage; hypercrosslinked polymers; adsorption; biomaterials
Special Issues, Collections and Topics in MDPI journals
Dr. Jimena Castro-Gutiérrez

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Guest Editor
Institut Jean Lamour, Universidad de Oviedo, Oviedo, Spain
Interests: supercapacitors; energy storage; hypercrosslinked polymers; adsorption; biomaterials
Dr. Sergio García-Dalí

E-Mail Website
Guest Editor
Institut Jean Lamour, Universidad de Oviedo, Oviedo, Spain
Interests: porous materials; 2D-materials; enery storage; water remediation; biomaterials; functionalized materials
Dr. Javier Quílez-Bermejo

E-Mail Website
Guest Editor
Institut Jean Lamour, Universidad de Oviedo, Oviedo, Spain
Interests: electrocatalysis; electrochemistry; carbon materials; polymer science; porous materials; conductive materials

Special Issue Information

Dear Colleagues,

Porous polymeric materials represent one of the most challenging targets of the scientific community because of their outstanding properties for multiple applications. This Special Issue is focused on the synthesis, characterization and principal uses of those polymers and polymer-derived materials with well-developed porosity and excellent textural properties. Special attention will be paid to those formulations derived from bio-based precursors towards a greener picture of the upcoming future.

Our aim is to provide the latest achievements on the use of these porous polymers for the different applications such as supercapacitors, water remediation, electrocatalysis, adsorption, energy storage, and those still unexplored.

Dr. Antonio M. Borrero-López
Dr. Jimena Castro-Gutiérrez
Dr. Sergio García-Dalí
Dr. Javier Quílez-Bermejo
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. Polymers 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 2700 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

  • polymers
  • porous materials
  • adsorption
  • surface area
  • supercapacitors
  • water remediation
  • electrocatalysis
  • adsorption
  • energy storage

Published Papers (3 papers)

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18 pages, 2427 KiB  
Article
Pore Structure Tuning of Poly-EGDMA Biomedical Material by Varying the O-Quinone Photoinitiator
by Vladimir V. Yudin, Margarita P. Shurygina, Marfa N. Egorikhina, Diana Ya. Aleynik, Daria D. Linkova, Irina N. Charykova, Roman S. Kovylin and Sergey A. Chesnokov
Polymers 2023, 15(11), 2558; https://doi.org/10.3390/polym15112558 - 02 Jun 2023
Cited by 3 | Viewed by 1167
Abstract
Porous polymer monoliths with thicknesses of 2 and 4 mm were obtained via polymerization of ethylene glycol dimethacrylate (EGDMA) under the influence visible-light irradiation in the presence of a 70 wt% 1-butanol porogenic agent and o-quinone photoinitiators. The o-quinones used were: 3,5-di-tret-butyl-benzoquinone-1,2 (35Q), [...] Read more.
Porous polymer monoliths with thicknesses of 2 and 4 mm were obtained via polymerization of ethylene glycol dimethacrylate (EGDMA) under the influence visible-light irradiation in the presence of a 70 wt% 1-butanol porogenic agent and o-quinone photoinitiators. The o-quinones used were: 3,5-di-tret-butyl-benzoquinone-1,2 (35Q), 3,6-di-tret-butyl-benzoquinone-1,2 (36Q), camphorquinone (CQ), and 9,10-phenanthrenequinone (PQ). Porous monoliths were also synthesized from the same mixture but using 2,2′-azo-bis(iso-butyronitrile) (AIBN) at 100 °C instead o-quinones. According to the results of scanning electron microscopy, all the resulting samples were conglomerates of spherical, polymeric particles with pores between them. Use of mercury porometry showed that the interconnected pore systems of all the polymers were open. The average pore size, Dmod, in such polymers strongly depended on both the nature of the initiator and the method of initiation of polymerization. For polymers obtained in the presence of AIBN, the Dmod value was as low as 0.8 μm. For polymers obtained via photoinitiation in the presence of 36Q, 35Q, CQ, and PQ, the Dmod values were significantly greater, i.e., 9.9, 6.4, 3.6, and 3.7 μm, respectively. The compressive strength and Young’s modulus of the porous monoliths increased symbatically in the series PQ < CQ < 36Q < 35Q < AIBN with decreasing proportions of large pores (over 12 μm) in their polymer structures. The photopolymerization rate of the EGDMA and 1-butanol, 30:70 wt% mixture was maximal for PQ and minimal for 35Q. All polymers tested were non-cytotoxic. Based on the data from MTT testing, it can be noted that the polymers obtained via photoinitiation were characterized by their positive effect on the proliferative activity of human dermal fibroblasts. This makes them promising osteoplastic materials for clinical trials. Full article
(This article belongs to the Special Issue Polymeric Porous Materials and Derivatives for Advanced Applications)
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18 pages, 3736 KiB  
Article
Optimal Tailoring of CNT Distribution in Functionally Graded Porous CNTRC Beams
by J. R. Cho and H. J. Kim
Polymers 2023, 15(2), 349; https://doi.org/10.3390/polym15020349 - 09 Jan 2023
Cited by 1 | Viewed by 1265
Abstract
This paper is concerned with the multi-objective optimization of thickness-wise CNT distribution in functionally graded porous CNT-reinforced composite (FG-porous CNTRC) beams. The mechanical behaviors of FG-porous CNTRC structures are strongly influenced by the thickness-wise distributions of CNTs and porosity. Nevertheless, several linear functions [...] Read more.
This paper is concerned with the multi-objective optimization of thickness-wise CNT distribution in functionally graded porous CNT-reinforced composite (FG-porous CNTRC) beams. The mechanical behaviors of FG-porous CNTRC structures are strongly influenced by the thickness-wise distributions of CNTs and porosity. Nevertheless, several linear functions were simply adopted to represent the thickness-wise CNT distribution without considering the porosity distribution, so these assumed linear primitive CNT distribution patterns are not sufficient to respond to arbitrary loading and boundary conditions. In this context, this study presents the multi-objective optimization of thickness-wise CNT distribution in FG-CNTRC porous beams to simultaneously minimize the peak effective stress and the peak deflection. The multi-objective function is defined by the larger value between two normalized quantities and the design variable vector is composed of the layer-wise CNT volume fractions. The constrained multi-objective optimization problem is formulated by making use of the exterior penalty-function method and the aspiration-level adjustment. The proposed optimization method is demonstrated through the numerical experiments, and the optimization solutions are investigated with respect to the porosity distribution and the combination of aspiration levels for two single-objective functions. It is found from the numerical results that the optimum CNT distribution is significantly affected by the porosity distribution. Furthermore, the proposed method can be successfully used to seek an optimum CNT distribution within FG-porous CNTRC structures which simultaneously enhances the multi-objective functions. Full article
(This article belongs to the Special Issue Polymeric Porous Materials and Derivatives for Advanced Applications)
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21 pages, 7118 KiB  
Article
Preparation and Application of a Magnetic Oxidized Micro/Mesoporous Carbon with Efficient Adsorption for Cu(II) and Pb(II)
by Jia Qu, Hongpu Huang, Qiang Yang, Wei Gong, Meilan Li, Liangliang Chang, Baoyue Cao, Guochun Zhang and Chunsheng Zhou
Polymers 2022, 14(22), 4888; https://doi.org/10.3390/polym14224888 - 12 Nov 2022
Viewed by 1177
Abstract
Water pollution is a worldwide problem that requires urgent attention and prevention and exceeding use of heavy-metal ions is one of the most harmful factors, which poses a serious threat to human health and the ecological environment. In this work, a magnetic oxidized [...] Read more.
Water pollution is a worldwide problem that requires urgent attention and prevention and exceeding use of heavy-metal ions is one of the most harmful factors, which poses a serious threat to human health and the ecological environment. In this work, a magnetic oxidized micro/mesoporous carbon (MOMMC) was prepared for the easy separation of Cu(II) and Pb(II) from water. The dual-template method was used to prepare micro/mesoporous carbon using sucrose as the carbon source, silica nanoparticles formed by tetraethyl orthosilicate as the microporous templates, and triblock copolymer F127 as the mesoporous template. MOMMC was obtained by oxidation using potassium persulfate and then magnetized through in situ synthesis of Fe3O4 nanoparticles. FTIR, TG-DSC, XRD, TEM, SEM, nitrogen adsorption–desorption isotherms, zeta potential, and VSM were used to confirm the synthetic process, structure, and basic properties of MOMMC. The high-saturation magnetization (59.6 emu·g−1) of MOMMC indicated its easy and fast separation from water by an external magnetic field. Kinetics studies showed that the adsorption of Cu(II) and Pb(II) on MOMMC fit the pseudo-second-order model well. Isotherm studies showed that the adsorption behavior of Cu(II) was better described by the Langmuir model, and the adsorption behavior of Pb(II) was better described by both Langmuir and Redlich–Peterson models. MOMMC obtained efficient adsorption for Cu(II) and Pb(II) with the large adsorption capacity of 877.19 and 943.40 mg·g−1 according to the Langmuir adsorption isotherm equation, and a better selectivity for Pb(II) was observed in competitive adsorption. MOMMC still possessed a large adsorption capacity for Cu(II) and Pb(II) after three adsorption–desorption cycles. These findings show that MOMMC represents an excellent adsorption material for the efficient removal of heavy-metal ions. Full article
(This article belongs to the Special Issue Polymeric Porous Materials and Derivatives for Advanced Applications)
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