Porous Organic Polymer Materials: Synthesis, Characterization and Applications

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

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 3037

Special Issue Editor


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Guest Editor
School of Chemical Engineering, Dalian University of Technology, Dalian, China
Interests: porous organic polymer materials; supramolecular chemistry; dynamic covalent chemistry; catalysis; adsorption and separation

Special Issue Information

Dear Colleagues,

Porous organic polymer materials are a kind of new emerging porous materials,  usually composed of light organic elements, including C, H, O, N, S, etc. Owing to the diversity of organic chemistry, porous organic polymer materials exhibit excellent designability compared with the traditional inorganic porous counterparts and show enormous application potential in various fields, such as adsorption, catalysis, sensing, energy storage, separation, water purification, biomedical applications, and so on. Further development of new porous organic polymer materials with different types and functions to meet different application requirements is always highly desired. To achieve this target, some great challenges such as precise characterization, large-scale synthesis, and easy processing of porous organic polymer materials should be further explored and overcome. Therefore, we believe that it is time to have a dedicated Special Issue on the recent developments in this field, covering potential topics including but not limited to the following:

  • Amorphous porous organic polymer materials, including conjugated microporous polymers (CMPs), porous aromatic frameworks (PAFs), hypercrosslinked porous polymers (HCPs), and polymers of intrinsic microporosity (PIMs);
  • Crystalline porous organic polymer materials, including covalent organic frameworks (COFs) and supramolecular organic frameworks (SOFs).

Applications of porous organic polymer materials in adsorption, catalysis, sensing, energy storage, separation, water purification, biomedical applications, etc. 

Dr. Weitao Gong
Guest Editor

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Published Papers (3 papers)

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Research

15 pages, 3654 KiB  
Article
Enhanced Hydrogen Peroxide Decomposition in a Continuous-Flow Reactor over Immobilized Catalase with PAES-C
by Yunrui Li, Yu Zhang, Wenyu Zhang, Hao Wu and Shaoyin Zhang
Polymers 2024, 16(13), 1762; https://0-doi-org.brum.beds.ac.uk/10.3390/polym16131762 - 21 Jun 2024
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Abstract
Due to the specificity, high efficiency, and gentleness of enzyme catalysis, the industrial utilization of enzymes has attracted more and more attention. Immobilized enzymes can be recovered/recycled easily compared to their free forms. The primary benefit of immobilization is protection of the enzymes [...] Read more.
Due to the specificity, high efficiency, and gentleness of enzyme catalysis, the industrial utilization of enzymes has attracted more and more attention. Immobilized enzymes can be recovered/recycled easily compared to their free forms. The primary benefit of immobilization is protection of the enzymes from harsh environmental conditions (e.g., elevated temperatures, extreme pH values, etc.). In this paper, catalase was successfully immobilized in a poly(aryl ether sulfone) carrier (PAES-C) with tunable pore structure as well as carboxylic acid side chains. Moreover, immobilization factors like temperature, time, and free-enzyme dosage were optimized to maximize the value of the carrier and enzyme. Compared with free enzyme, the immobilized-enzyme exhibited higher enzymatic activity (188.75 U g−1, at 30 °C and pH 7) and better thermal stability (at 60 °C). The adsorption capacity of enzyme protein per unit mass carrier was 4.685 mg. Hydrogen peroxide decomposition carried out in a continuous-flow reactor was selected as a model reaction to investigate the performance of immobilized catalase. Immobilized-enzymes showed a higher conversion rate (90% at 8 mL/min, 1 h and 0.2 g) compared to intermittent operation. In addition, PAES-C has been synthesized using dichlorodiphenyl sulfone and the renewable resource bisphenolic acid, which meets the requirements of green chemistry. These results suggest that PAES-C as a carrier for immobilized catalase could improve the catalytic activity and stability of catalase, simplify the separation of enzymes, and exhibit good stability and reusability. Full article
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20 pages, 10452 KiB  
Article
Hydrodeoxygenation of Lignin-Based Compounds over Ruthenium Catalysts Based on Sulfonated Porous Aromatic Frameworks
by Maria A. Bazhenova, Leonid A. Kulikov, Daria A. Makeeva, Anton L. Maximov and Eduard A. Karakhanov
Polymers 2023, 15(23), 4618; https://0-doi-org.brum.beds.ac.uk/10.3390/polym15234618 - 4 Dec 2023
Cited by 1 | Viewed by 1035
Abstract
Bifunctional catalysts are a major type of heterogeneous catalytic systems that have been widely investigated for biomass upgrading. In this work, Ru-catalysts based on sulfonated porous aromatic frameworks (PAFs) were used in the hydrodeoxygenation (HDO) of lignin-derived compounds: guaiacol, veratrole, and catechol. The [...] Read more.
Bifunctional catalysts are a major type of heterogeneous catalytic systems that have been widely investigated for biomass upgrading. In this work, Ru-catalysts based on sulfonated porous aromatic frameworks (PAFs) were used in the hydrodeoxygenation (HDO) of lignin-derived compounds: guaiacol, veratrole, and catechol. The relationship between the activity of metal nanoparticles and the content of acid sites in synthesized catalysts was studied. Herein, their synergy was demonstrated in the Ru-PAF-30-SO3H/5-COD catalyst. The results revealed that this catalytic system promoted partial hydrogenation of lignin-based compounds to ketones without any further transformations. The design of the Ru-PAF-30-SO3H/5-COD catalytic system opens a promising route to the selective conversion of lignin model compounds to cyclohexanone. Full article
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13 pages, 2927 KiB  
Article
Catechol-Based Porous Organic Polymers for Effective Removal of Phenolic Pollutants from Water
by Xiaoxiao Zhao, Yiqiong Liu, Qimeng Zhu and Weitao Gong
Polymers 2023, 15(11), 2565; https://0-doi-org.brum.beds.ac.uk/10.3390/polym15112565 - 2 Jun 2023
Cited by 3 | Viewed by 1350
Abstract
Phenolic pollutants released from industrial activities seriously damage natural freshwater resources, and their elimination or reduction to safe levels is an urgent challenge. In this study, three catechol-based porous organic polymers, CCPOP, NTPOP, and MCPOP, were prepared using sustainable lignin biomass-derived monomers for [...] Read more.
Phenolic pollutants released from industrial activities seriously damage natural freshwater resources, and their elimination or reduction to safe levels is an urgent challenge. In this study, three catechol-based porous organic polymers, CCPOP, NTPOP, and MCPOP, were prepared using sustainable lignin biomass-derived monomers for the adsorption of phenolic contaminants in water. CCPOP, NTPOP, and MCPOP showed good adsorption performance for 2,4,6-trichlorophenol (TCP) with theoretical maximum adsorption capacities of 808.06 mg/g, 1195.30 mg/g, and 1076.85 mg/g, respectively. In addition, MCPOP maintained a stable adsorption performance after eight consecutive cycles. These results indicate that MCPOP is a potential material for the effective treatment of phenol pollutants in wastewater. Full article
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