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Multifaceted Polymers: From Multifunctional Monomers to Diverse Properties

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 3914

Special Issue Editors


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Guest Editor
N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, 119991 Moscow, Russia
Interests: high nitrogen heterocycles; nitro compounds; energetic polymers; energetic

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Guest Editor
A.N.Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 119991 Moscow, Russia
Interests: semiconductor polymers; conjugated polymers; non-fullerene acceptor; solar cells

Special Issue Information

Dear Colleagues, 

While even nonfunctionalized polymers are widely used, polymers bearing functional groups and moieties are the most popular of the compounds produced by the industry. Functionality defines peculiar properties that make the corresponding polymers interesting, for example, for medicine or the energy industry. There is an urgent need to develop an effective methodology for the synthesis of structurally new polymer architectures in order to uncover novel valuable properties that surpass those previously achieved. New discoveries are possible in the future, and some have perhaps already been found. This Special Issue intends to be a space for such interesting discoveries.

We invite you to submit a manuscript—full paper, communication, or review—reporting new results of functional monomers and polymer design, demonstration of their properties, and identification of structure–property relationships. The more novel structures and properties are demonstrated, the wider and deeper the knowledge about polymers will be.

Prof. Dr. Aleksei B. Sheremetev
Prof. Dr. Mukhamed L. Keshtov
Guest Editors

Manuscript Submission Information

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Keywords

  • multifunctional monomers
  • functional polymers
  • synthesis
  • modification
  • structure–property relationships

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Published Papers (2 papers)

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Research

23 pages, 6281 KiB  
Article
Energetic Polymer Possessing Furazan, 1,2,3-Triazole, and Nitramine Subunits
by Pavel S. Gribov, Natalia N. Kondakova, Natalia N. Il’icheva, Evgenia R. Stepanova, Anatoly P. Denisyuk, Vladimir A. Sizov, Varvara D. Dotsenko, Dmitry B. Vinogradov, Pavel V. Bulatov, Valery P. Sinditskii, Kyrill Yu. Suponitsky, Mikhail M. Il’in, Mukhamed L. Keshtov and Aleksei B. Sheremetev
Int. J. Mol. Sci. 2023, 24(11), 9645; https://doi.org/10.3390/ijms24119645 - 1 Jun 2023
Cited by 5 | Viewed by 2048
Abstract
A [3 + 2] cycloaddition reaction using dialkyne and diazide comonomers, both bearing explosophoric groups, to synthesize energetic polymers containing furazan and 1,2,3-triazole ring as well as nitramine group in the polymer chain have been described. The developed solvent- and catalyst-free approach is [...] Read more.
A [3 + 2] cycloaddition reaction using dialkyne and diazide comonomers, both bearing explosophoric groups, to synthesize energetic polymers containing furazan and 1,2,3-triazole ring as well as nitramine group in the polymer chain have been described. The developed solvent- and catalyst-free approach is methodologically simple and effective, the comonomers used are easily available, and the resulting polymer does not need any purification. All this makes it a promising tool for the synthesis of energetic polymers. The protocol was utilized to generate multigram quantities of the target polymer, which has been comprehensively investigated. The resulting polymer was fully characterized by spectral and physico-chemical methods. Compatibility with energetic plasticizers, thermochemical characteristics, and combustion features indicate the prospects of this polymer as a binder base for energetic materials. The polymer of this study surpasses the benchmark energetic polymer, nitrocellulose (NC), in a number of properties. Full article
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17 pages, 5083 KiB  
Article
Mesoscale Simulations of Structure Formation in Polyacrylonitrile Nascent Fibers Induced by Binary Solvent Mixture
by Pavel Komarov, Maxim Malyshev, Pavel Baburkin and Daria Guseva
Int. J. Mol. Sci. 2023, 24(11), 9312; https://doi.org/10.3390/ijms24119312 - 26 May 2023
Cited by 1 | Viewed by 1429
Abstract
Polyacrylonitrile (PAN) is widely used as a raw material for the production of high-modulus carbon fibers, the internal structure of which is directly affected by the spinning of the precursor. Although PAN fibers have been studied for a long time, the formation of [...] Read more.
Polyacrylonitrile (PAN) is widely used as a raw material for the production of high-modulus carbon fibers, the internal structure of which is directly affected by the spinning of the precursor. Although PAN fibers have been studied for a long time, the formation of their internal structure has not been sufficiently investigated theoretically. This is due to the large number of stages in the process and the parameters controlling them. In this study, we present a mesoscale model describing the evolution of nascent PAN fibers during the coagulation. It is constructed within the framework of a mesoscale dynamic density functional theory. We use the model to study the influence of a combined solvent of dimethyl sulfoxide (DMSO, a good solvent) and water (a non-solvent) on the microstructure of the fibers. A porous structure of PAN is formed as a result of the microphase separation of the polymer and the residual combined solvent at a high water content in the system. The model shows that one of the possible ways to obtain the homogeneous fiber structure is to slow down the coagulation by increasing the amount of good solvent in the system. This result is in agreement with the existing experimental data and confirms the efficiency of the presented model. Full article
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