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Polymers
Special Issues
Polymer Dynamics: From Single Chains to Networks and Gels
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Special Issue "Polymer Dynamics: From Single Chains to Networks and Gels"

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

Deadline for manuscript submissions: 25 December 2023 | Viewed by 1843

Special Issue Editors

Dr. Michele Caraglio

E-Mail Website
Guest Editor
Institut für Theoretische Physik, Universität Innsbruck, Technikerstraße 21A, A-6020 Innsbruck, Austria
Interests: topology in polymers; DNA elastic properties; transition path times; glass transition; econophysics
Dr. Zhan-Wei Li

E-Mail Website
Guest Editor
College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
Interests: simulation methods for colloids, polymers, and supramolecules; anisotropic aggregation of janus and patchy colloids; structure and dynamics of liquid crystals and functional colloidal crystals; chiral self-assembly of polymers and supramolecules

Special Issue Information

Dear Colleagues,

This Special Issue concentrates, from a statistical physics perspective, on the dynamical properties of polymers going from single linear or circular chains to more complex systems such as links, brushes, gels, and networks.

A better understanding of these non-equilibrium and dynamical aspects would pave the way to improved control of relevant natural molecules or human-made materials, with a significant impact on fundamental science as well as high-tech applications.

The aim of this Special Issue is to collect original research based on experiments, simulations, and theories. Review papers are also welcome in order to understand the state of the art as well as to highlight the latest polymer-dynamics-related applications, algorithms, and fundamental results.

Topics may include micro-and macro-rheology, self-assembly, relaxation, translocation, buckling, and bond breaking, just to mention a few.

 We look forward to receiving your contribution to a further progress in this field.

Dr. Michele Caraglio
Dr. Zhan-Wei Li
Guest Editors

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

  • polymer physics
  • actin filaments
  • biopolymer
  • polymer brushes
  • polymer network
  • polymer gel
  • buckling
  • translocation
  • relaxation
  • entanglements
  • micro-rheology

Published Papers (2 papers)

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Research

12 pages, 2645 KiB  
Article
Density Fluctuations Inside an Individual Polymer Coil
by
Anatoly E. Chalykh
,
Uliana V. Nikulova
,
Vladimir K. Gerasimov
and
Vladimir V. Matveev
Polymers 2023, 15(19), 4018; https://doi.org/10.3390/polym15194018 - 07 Oct 2023
Viewed by 378
Abstract
More than five hundred images of individual macromolecules of random styrene-butadiene copolymers and styrene-isoprene block copolymers dissolved in a polystyrene matrix were analyzed. The presence of density fluctuations inside the macromolecular coil has been established. Within the framework of the model of harmonic [...] Read more.
More than five hundred images of individual macromolecules of random styrene-butadiene copolymers and styrene-isoprene block copolymers dissolved in a polystyrene matrix were analyzed. The presence of density fluctuations inside the macromolecular coil has been established. Within the framework of the model of harmonic oscillations, the radial distribution of such density fluctuations is estimated. Full article
(This article belongs to the Special Issue Polymer Dynamics: From Single Chains to Networks and Gels)
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16 pages, 6028 KiB  
Article
Microstructural Dynamics of Polymer Melts during Stretching: Radial Size Distribution
by
Ming-Chang Hsieh
,
Yu-Hao Tsao
,
Yu-Jane Sheng
and
Heng-Kwong Tsao
Polymers 2023, 15(9), 2067; https://doi.org/10.3390/polym15092067 - 26 Apr 2023
Viewed by 761
Abstract
The transient elongational viscosity ηe(t) of the polymer melt is known to exhibit strain hardening, which depends on the strain rate ε˙. This phenomenon was elucidated by the difference of chain stretching in the entanglement network between [...] Read more.
The transient elongational viscosity ηe(t) of the polymer melt is known to exhibit strain hardening, which depends on the strain rate ε˙. This phenomenon was elucidated by the difference of chain stretching in the entanglement network between extension and shear. However, to date, the microscopic evolution of polymer melt has not been fully statistically analyzed. In this work, the radial size distributions P(Rg,t) of linear polymers are explored by dissipative particle dynamics during the stretching processes. In uniaxial extensional flow, it is observed that the mean radius of gyration R¯g(t) and standard deviation σ(t) remain unchanged until the onset of strain hardening, corresponding to linear viscoelasticity. Both R¯g and σ rise rapidly in the non-linear regime, and bimodal size distribution can emerge. Moreover, the onset of strain hardening is found to be insensitive to the Hencky strain (ε˙Ht) and chain length (N). Full article
(This article belongs to the Special Issue Polymer Dynamics: From Single Chains to Networks and Gels)
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