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Polymers
Special Issues
Functional Polymer Synthesis
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Functional Polymer Synthesis

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

Deadline for manuscript submissions: closed (31 May 2021) | Viewed by 11977

Special Issue Editor

Dr. Michael B. Sims

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Guest Editor
Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, MN 55455, USA
Interests: controlled radical polymerization; polymer phase behavior; polymer synthesis

Special Issue Information

Dear Colleagues,

The ensuing decade will likely be a transformative era in polymer science. Increased scrutiny on plastic waste, progressively advancing biomedical technologies, and greater use of non-petroleum energy sources, among other issues, will demand a new generation of macromolecules with greater chemical complexity than current commodity materials. Furthermore, the ever-advancing quest to unveil fundamental macromolecular properties requires polymers with a high degree of structural precision. It is therefore urgent to both expand the toolbox of chemical techniques with which polymers can be synthesized and to further optimize existing synthetic approaches.

This Special Issue aims to highlight innovative approaches towards the synthesis of functional polymers. Contributions on novel polymerization techniques, polymerization of functional monomers, and post-polymerization modification are welcome. Submissions that address functionalization of commodity polymers, highly efficient and scalable functionalization techniques, green polymerization and functionalization, photocatalytic techiques, synthesis of biologically relevant polymers, and precision functionalization are especially encouraged.

Dr. Michael B. Sims
Guest Editor

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

  • Controlled polymerization
  • post-polymerization modification
  • polymer functionalization
  • catalytic functionalization
  • functional polymers
  • catalytic functionalization
  • biologically relevant polymers

Published Papers (4 papers)

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Research

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17 pages, 2992 KiB  
Article
Molecular and Structure–Properties Comparison of an Anionically Synthesized Diblock Copolymer of the PS-b-PI Sequence and Its Hydrogenated or Sulfonated Derivatives
by Nikolaos Politakos, Ioannis Moutsios, Gkreti-Maria Manesi, Konstantinos Artopoiadis, Konstantina Tsitoni, Dimitrios Moschovas, Alexey A. Piryazev, Denis S. Kotlyarskiy, Galder Kortaberria, Dimitri A. Ivanov and Apostolos Avgeropoulos
Polymers 2021, 13(23), 4167; https://doi.org/10.3390/polym13234167 - 28 Nov 2021
Cited by 4 | Viewed by 2192
Abstract
An approach to obtaining various nanostructures utilizing a well-studied polystyrene-b-poly(isoprene) or PS-b-PI diblock copolymer system through chemical modification reactions is reported. The complete hydrogenation and partial sulfonation to the susceptible carbon double bonds of the PI segment led to [...] Read more.
An approach to obtaining various nanostructures utilizing a well-studied polystyrene-b-poly(isoprene) or PS-b-PI diblock copolymer system through chemical modification reactions is reported. The complete hydrogenation and partial sulfonation to the susceptible carbon double bonds of the PI segment led to the preparation of [polystyrene-b-poly(ethylene-alt-propylene)] as well as [polystyrene-b-poly(sulfonated isoprene-co-isoprene)], respectively. The hydrogenation of the polyisoprene block results in enhanced segmental immiscibility, whereas the relative sulfonation induces an amphiphilic character in the final modified material. The successful synthesis of the pristine diblock copolymer through anionic polymerization and the relative chemical modification reactions were verified using several molecular and structural characterization techniques. The thin film structure–properties relationship was investigated using atomic force microscopy under various conditions such as different solvents and annealing temperatures. Small-angle X-ray scattering was employed to identify the different observed nanostructures and their evolution upon thermal annealing. Full article
(This article belongs to the Special Issue Functional Polymer Synthesis)
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8 pages, 1755 KiB  
Communication
The New Approach to the Preparation of Polyacrylamide-Based Hydrogels: Initiation of Polymerization of Acrylamide with 1,3-Dimethylimidazolium (Phosphonooxy-)Oligosulphanide under Drying Aqueous Solutions
by Natalia Tarasova, Alexey Zanin, Efrem Krivoborodov, Ilya Toropygin, Ekaterina Pascal and Yaroslav Mezhuev
Polymers 2021, 13(11), 1806; https://doi.org/10.3390/polym13111806 - 30 May 2021
Cited by 15 | Viewed by 3756
Abstract
The new initiator of the polymerization of acrylamide, leading to the formation of crosslinked polyacrylamide, was discovered. The structure of the synthesized polyacrylamide was characterized by XRD, 1H NMR, and 13C NMR spectroscopy. It was shown that 1,3-dimethylimidazolium (phosphonooxy-)oligosulphanide is able [...] Read more.
The new initiator of the polymerization of acrylamide, leading to the formation of crosslinked polyacrylamide, was discovered. The structure of the synthesized polyacrylamide was characterized by XRD, 1H NMR, and 13C NMR spectroscopy. It was shown that 1,3-dimethylimidazolium (phosphonooxy-)oligosulphanide is able to initiate radical polymerization under drying aqueous solutions of acrylamide, even at room temperature. According to XRF data, the synthesized polyacrylamide gel contains 0.28 wt% of sulphur. The formed polymer network has a low crosslinking density and a high equilibrium degree of swelling. The swelling rate of polyacrylamide gel in water corresponds to the first order kinetic equation with the rate constant 6.2 × 10−2 min−1. The initiator is promising for combining acrylamide polymerization with the processes of gel molding and drying. Full article
(This article belongs to the Special Issue Functional Polymer Synthesis)
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9 pages, 2627 KiB  
Communication
Selenonium Polyelectrolyte Synthesis through Post-Polymerization Modifications of Poly (Glycidyl Methacrylate) Scaffolds
by Taejun Eom and Anzar Khan
Polymers 2020, 12(11), 2685; https://doi.org/10.3390/polym12112685 - 13 Nov 2020
Cited by 4 | Viewed by 1911
Abstract
Atom transfer radical polymerization of glycidyl methacrylate monomer with poly(ethylene glycol)-based macroinitiators leads to the formation of reactive block copolymers. The epoxide side-chains of these polymers can be subjected to a regiospecific base-catalyzed nucleophilic ring-opening reaction with benzeneselenol under ambient conditions. The ß-hydroxy [...] Read more.
Atom transfer radical polymerization of glycidyl methacrylate monomer with poly(ethylene glycol)-based macroinitiators leads to the formation of reactive block copolymers. The epoxide side-chains of these polymers can be subjected to a regiospecific base-catalyzed nucleophilic ring-opening reaction with benzeneselenol under ambient conditions. The ß-hydroxy selenide linkages thus formed can be alkylated to access polyselenonium salts. 77Se-NMR indicates the formation of diastereomers upon alkylation. In such a manner, sequential post-polymerization modifications of poly(glycidyl methacrylate) scaffolds via selenium-epoxy and selenoether alkylation reactions furnish practical access to poly(ethylene glycol)-based cationic organoselenium copolymers. Full article
(This article belongs to the Special Issue Functional Polymer Synthesis)
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Review

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27 pages, 11557 KiB  
Review
Sulfonimide-Based Dendrimers: Progress in Synthesis, Characterization, and Potential Applications
by Julia V. Bondareva, Stanislav A. Evlashin and Oleg V. Lukin
Polymers 2020, 12(12), 2987; https://doi.org/10.3390/polym12122987 - 15 Dec 2020
Cited by 7 | Viewed by 3385
Abstract
There are more than 50 families of dendrimers, and some of which, such as polyamidoamine PAMAM, are well studied, and some are just starting to attract the attention of researchers. One promising type of dendrimers is sulfonimide-based dendrimers (SBDs). To date, SBDs are [...] Read more.
There are more than 50 families of dendrimers, and some of which, such as polyamidoamine PAMAM, are well studied, and some are just starting to attract the attention of researchers. One promising type of dendrimers is sulfonimide-based dendrimers (SBDs). To date, SBDs are used in organic synthesis as starting reagents for the convergent synthesis of higher generations dendrimers, in materials science as alternative electrolyte solutions for fuel cells, and in medicinal chemistry as potential substances for drug transfer procedures. Despite the fact that most dendrimers are amorphous substances among the SBDs, several structures are distinguished that are prone to the formation of crystalline solids with melting points in the range of 120–250 °C. Similar to those of other dendrimers, the chemical and physical properties of SBDs depend on their outer shell, which is formed by functional groups. To date, SBDs decorated with end groups such as naphthyl, nitro, methyl, and methoxy have been successfully synthesized, and each of these groups gives the dendrimers specific properties. Analysis of the structure of SBD, their synthesis methods, and applications currently available in the literature reveals that these dendrimers have not yet been fully explored. Full article
(This article belongs to the Special Issue Functional Polymer Synthesis)
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