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Porous Polymer Materials: Design & Applications

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 6890

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Guest Editor
School of Materials Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
Interests: porous organic polymers; organocatalysis; heterogeneous catalysts; Metal–Organic Framework(MOF); zeolites; mesoporous materials
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Special Issue Information

Dear Colleagues,

Porous polymers have been attracting increasing interest over the years due to their very high specific surface area, nanoscale porosity, high mechanical and chemical stability, and convenient synthetic strategies. Diversity in the choice of the building blocks involving simple aliphatic, aromatic or cyclic reactive monomers together with the feasibility of the random orientation of the structural units for the synthesis of porous polymers have opened new frontiers in material design. Furthermore, hydrothermal synthesis involving different structure-directing agents as well as hard-templating routes for the design of mesoporous polymers are very useful for exploring host–guest chemistry involving bulky organic molecules. The exceptionally high surface area of these porous polymers, in turn, offers huge scope for immobilizing reactive moieties (metal/metal oxide nanoparticles/clusters/molecules or ions/dyes/drugs) at their pore surfaces. Starting from the design of simple adsorbents for the removal of organic and inorganic pollutants from water, to the complex design of heterogeneous catalysts based on these porous supports or exploration of the void spaces of these porous organics for electrical, electrochemical, photoelectrochemical or optoelectronics applications can be achieved using these nanoporous materials. In-depth understanding of their structure–property relationships will open up several new avenues in energy, environmental and biomedical research in the years to come.

Prof. Dr. Asim Bhaumik
Guest Editor

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Keywords

  • porous organic polymers
  • conjugated microporous polymers
  • hypercrosslinked polymers
  • ordered mesoporous polymers
  • biofuels
  • CO2 fixation
  • drug delivery
  • heterogeneous catalysis
  • organocatalysis
  • surface functionalization

Published Papers (4 papers)

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Research

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16 pages, 6157 KiB  
Article
The Preparation of Superhydrophobic Polylactic Acid Membrane with Adjustable Pore Size by Freeze Solidification Phase Separation Method for Oil–Water Separation
by Yan Zhang, Tianyi Sun, Dashuai Zhang, Shishu Sun, Jinrui Liu, Bangsen Li and Zaifeng Shi
Molecules 2023, 28(14), 5590; https://doi.org/10.3390/molecules28145590 - 22 Jul 2023
Cited by 3 | Viewed by 1292
Abstract
An environmentally friendly pore size-controlled, superhydrophobic polylactic acid (PLA) membrane was successfully prepared by a simpler freeze solidification phase separation method (FSPS) and solution impregnation, which has application prospects in the field of oil–water separation. The pore size and structure of the membrane [...] Read more.
An environmentally friendly pore size-controlled, superhydrophobic polylactic acid (PLA) membrane was successfully prepared by a simpler freeze solidification phase separation method (FSPS) and solution impregnation, which has application prospects in the field of oil–water separation. The pore size and structure of the membrane were adjusted by different solvent ratios and solution impregnation ratios. The PLA-FSPS membrane after solution impregnation (S-PLA-FSPS) had the characteristics of uniform pore size, superhydrophobicity and super lipophilicity, its surface roughness Ra was 338 nm, and the contact angle to water was 151°. The S-PLA-FSPS membrane was used for the oil–water separation. The membrane oil flux reached 16,084 L·m−2·h−1, and the water separation efficiency was 99.7%, which was much higher than that of other oil–water separation materials. In addition, the S-PLA-FSPS membrane could also be applied for the adsorption and removal of oil slicks and underwater heavy oil. The S-PLA-FSPS membrane has great application potential in the field of oil–water separation. Full article
(This article belongs to the Special Issue Porous Polymer Materials: Design & Applications)
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13 pages, 4471 KiB  
Article
N-Rich, Polyphenolic Porous Organic Polymer and Its In Vitro Anticancer Activity on Colorectal Cancer
by Sabuj Kanti Das, Snehasis Mishra, Krishna Das Saha, Debraj Chandra, Michikazu Hara, Amany A. Mostafa and Asim Bhaumik
Molecules 2022, 27(21), 7326; https://doi.org/10.3390/molecules27217326 - 28 Oct 2022
Cited by 3 | Viewed by 1258
Abstract
N-rich organic materials bearing polyphenolic moieties in their building networks and nanoscale porosities are very demanding in the context of designing efficient biomaterials or drug carriers for the cancer treatment. Here, we report the synthesis of a new triazine-based secondary-amine- and imine-linked polyphenolic [...] Read more.
N-rich organic materials bearing polyphenolic moieties in their building networks and nanoscale porosities are very demanding in the context of designing efficient biomaterials or drug carriers for the cancer treatment. Here, we report the synthesis of a new triazine-based secondary-amine- and imine-linked polyphenolic porous organic polymer material TrzTFPPOP and explored its potential for in vitro anticancer activity on the human colorectal carcinoma (HCT 116) cell line. This functionalized (-OH, -NH-, -C=N-) organic material displayed an exceptionally high BET surface area of 2140 m2 g−1 along with hierarchical porosity (micropores and mesopores), and it induced apoptotic changes leading to high efficiency in colon cancer cell destruction via p53-regulated DNA damage pathway. The IC30, IC50, and IC70 values obtained from the MTT assay are 1.24, 3.25, and 5.25 μg/mL, respectively. Full article
(This article belongs to the Special Issue Porous Polymer Materials: Design & Applications)
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9 pages, 9530 KiB  
Article
Palladium Supported on Porous Organic Polymer as Heterogeneous and Recyclable Catalyst for Cross Coupling Reaction
by Guanying Shi and Zhenhua Dong
Molecules 2022, 27(15), 4777; https://doi.org/10.3390/molecules27154777 - 26 Jul 2022
Cited by 7 | Viewed by 1622
Abstract
Palladium immobilized on an amide and ether functionalized porous organic polymer (Pd@AEPOP) is reported to be an effective heterogeneous catalyst for the Heck cross-coupling reaction of aryl iodides with styrene for the synthesis of diphenylethene derivatives. Excellent yields can be obtained using a [...] Read more.
Palladium immobilized on an amide and ether functionalized porous organic polymer (Pd@AEPOP) is reported to be an effective heterogeneous catalyst for the Heck cross-coupling reaction of aryl iodides with styrene for the synthesis of diphenylethene derivatives. Excellent yields can be obtained using a 0.8 mol% Pd catalyst loading under the optimized reaction condition. The heterogeneous Pd@AEPOP catalyst can also be applied on the Suzuki reaction and the reduction of nitroarene. Full article
(This article belongs to the Special Issue Porous Polymer Materials: Design & Applications)
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Review

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20 pages, 3675 KiB  
Review
Advances in Asymmetric Wettable Janus Materials for Oil–Water Separation
by Jingjing Zhang, Congcong Wang, Huwei Xing, Qian Fu, Chenxi Niu and Lingbin Lu
Molecules 2022, 27(21), 7470; https://doi.org/10.3390/molecules27217470 - 02 Nov 2022
Cited by 6 | Viewed by 2224
Abstract
The frequent occurrence of crude oil spills and the indiscriminate discharge of oily wastewater have caused serious environmental pollution. The existing separation methods have some defects and are not suitable for complex oil–water emulsions. Therefore, the efficient separation of complex oil–water emulsions has [...] Read more.
The frequent occurrence of crude oil spills and the indiscriminate discharge of oily wastewater have caused serious environmental pollution. The existing separation methods have some defects and are not suitable for complex oil–water emulsions. Therefore, the efficient separation of complex oil–water emulsions has been of great interest to researchers. Asymmetric wettable Janus materials, which can efficiently separate complex oil–water emulsions, have attracted widespread attention. This comprehensive review systematically summarizes the research progress of asymmetric wettable Janus materials for oil–water separation in the last decade, and introduces, in detail, the preparation methods of them. Specifically, the latest research results of two-dimensional Janus materials, three-dimensional Janus materials, smart responsive Janus materials, and environmentally friendly Janus materials for oil–water separation are elaborated. Finally, ongoing challenges and outlook for the future research of asymmetric wettable Janus materials are presented. Full article
(This article belongs to the Special Issue Porous Polymer Materials: Design & Applications)
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