Progresses and Challenges of Block Copolymer Membranes

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Membrane Applications".

Deadline for manuscript submissions: closed (10 December 2023) | Viewed by 2616

Special Issue Editors


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Guest Editor
Department of Synthetic Rubber, Kazan National Research Technological University, 420015 Kazan, Russia
Interests: metal-coordinated polyurethanes; organo-substituted silicas; multiblock copolymers; supramolecular structure; sorption activity; pervaporation membranes; polyurethane ionomers; ionic liquids

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Guest Editor
Department of Synthetic Rubber, Kazan National Research Technological University, 420015 Kazan, Russia
Interests: ionomers films; extractive distillation; pervaporation membranes; ionic liquids; polyurethane ionomers; dehydration

Special Issue Information

Dear Colleagues, 

We are pleased to invite you to this Special Issue on “Progress and Challenges of Block Copolymer Membranes”. 

Block copolymers can provide more than one advantageous property due to their selected repeating units, which make them an outstanding candidate for polymer-based membranes. Block copolymers are a class of polymers formed by two or more homopolymer units linked by covalent bonds. They have been used for membrane applications much less than homopolymers, but they are opening new perspectives in the field and could overcome some of the drawbacks of homopolymer membranes. This Special Issue is dedicated to aspects guiding morphology in block copolymer membranes and focuses on recent research and advances in structural formation of membranes under various conditions, with good mechanical strength, thermal resistance, and chemical resistance and an inexpensive price. 

Prof. Dr. Ilsiya M. Davletbaeva
Dr. Oleg Sazonov
Guest Editors

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Keywords

  • block copolymers
  • nanocomposites
  • membranes
  • isoporous membranes
  • spray coating
  • pervaporation
  • gas separation
  • mixed matrix membranes
  • membrane resistance
  • transport number
  • cation-exchange membranes
  • filtration
  • cross-linked block copolymers
  • desalination
  • upscaling
  • ultrafiltration

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Published Papers (2 papers)

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Editorial

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4 pages, 180 KiB  
Editorial
Introduction to the Topic of the Special Issue “Progresses and Challenges of Block Copolymer Membranes” from the Guest Editor
by Ilsiya M. Davletbaeva and Oleg O. Sazonov
Membranes 2023, 13(7), 687; https://doi.org/10.3390/membranes13070687 - 24 Jul 2023
Viewed by 863
Abstract
It is well-known that various mixtures that require separation have to be dealt with in many branches of industry, especially the chemical and petrochemical industries [...] Full article
(This article belongs to the Special Issue Progresses and Challenges of Block Copolymer Membranes)

Research

Jump to: Editorial

19 pages, 8079 KiB  
Article
Silicas with Polyoxyethylene Branches for Modification of Membranes Based on Microporous Block Copolymers
by Ilsiya M. Davletbaeva, Zulfiya Z. Faizulina, Ekaterina D. Li, Oleg O. Sazonov, Sergey V. Efimov, Vladimir V. Klochkov, Alexander V. Arkhipov and Ruslan S. Davletbaev
Membranes 2023, 13(7), 642; https://doi.org/10.3390/membranes13070642 - 2 Jul 2023
Cited by 1 | Viewed by 1430
Abstract
We have synthesized cubic and linear polysiloxanes containing polyoxyethylene branches (ASiP-Cu) using tetraethoxysilane, polyoxyethylene glycol, and copper chloride as precursors; the products are stable to self-condensation. The effect of copper chloride content on the chemical structure of ASiP-Cu has been established. A special [...] Read more.
We have synthesized cubic and linear polysiloxanes containing polyoxyethylene branches (ASiP-Cu) using tetraethoxysilane, polyoxyethylene glycol, and copper chloride as precursors; the products are stable to self-condensation. The effect of copper chloride content on the chemical structure of ASiP-Cu has been established. A special study was aimed at defining the modifying effect of ASiP-Cu on the sorption characteristics of membranes based on microporous, optically transparent block copolymers (OBCs). These OBCs were produced using 2,4-toluene diisocyanate and block copolymers of ethylene and propylene oxides. The study demonstrated significantly increased sorption capacity of the modified polymers. On the basis of the modified microporous block copolymers and 1-(2-pyridylazo)-2-naphthol (PAN) analytical reagent, an analytical test system has been developed. Additionally, the modified OBCs have the benefit of high diffusion permeability for molecules of organic dyes and metal ions. It has been shown that the volume of voids and structural features of their internal cavities contribute to the complex formation reaction involving PAN and copper chloride. Full article
(This article belongs to the Special Issue Progresses and Challenges of Block Copolymer Membranes)
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