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Polymers
Special Issues
Multifunctional Supramolecular Polymers
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Multifunctional Supramolecular Polymers

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

Deadline for manuscript submissions: closed (31 March 2020) | Viewed by 3147

Special Issue Editors

Dr. Ana Rita Elias Brás

E-Mail Website
Guest Editor
Institut für Physikalische Chemie, Universität zu Köln, Luxemburger Str. 116, 50939 Köln, Germany
Interests: structure and dynamics of complex polymers; supramolecular and different architectures; glass transition and dynamical behavior of soft materials; small angle scattering; neutron spin-echo spectroscopy; rheology; dielectric relaxation spectroscopy; differential scanning calorimetry
Dr. Ana Arizaga

E-Mail Website
Guest Editor
Facultad de Ciencias, ICMA, CSIC-Universidad de Zaragoza, Pza. San Francisco s/n, 50009 Zaragoza, Spain
Interests: self-healing materials; liquid crystals; magnetic composites; additive manufacturing

Special Issue Information

Dear Colleagues,

Multifunctional supramolecular polymers represent a very promising class of systems with superior versatility compared to their covalent polymeric counterparts. They offer exciting new opportunities, as they can not only include stimuli-responsive structures with reversible tunable properties, but they can also hold self-healing properties with applications in the food industry, in cost-efficient processes or biomedical areas. Nevertheless, many open questions must be tackled in order to understand their complex behavior and exploit their large potential. Therefore, to define strategies for designing novel materials amenable to contemporary needs, a fundamental understanding of their very complex and diverse multiscale supramolecular structure and dynamics is needed.

The objective of this Special Issue is to present original research and reviews focused on the synergy of synthetic chemistry, physical characterization, and modeling on the complex behavior of multifunctional supramolecular polymers.

Dr. Ana Rita Elias Brás
Dr. Ana Arizaga
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

  • Functional polymers
  • Supramolecular assembly
  • Polymeric structures
  • Soft materials
  • Stimuli-responsive
  • Additive manufacturing

Published Papers (1 paper)

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Research

15 pages, 1648 KiB  
Article
Supramolecular Dimerization in a Polymer Melt from Small-Angle X-ray Scattering and Rheology: A Miscible Model System
by Mariapaola Staropoli, Margarita Kruteva, Jürgen Allgaier, Andreas Wischnewski and Wim Pyckhout-Hintzen
Polymers 2020, 12(4), 880; https://doi.org/10.3390/polym12040880 - 10 Apr 2020
Cited by 2 | Viewed by 2792
Abstract
We present a structural and dynamic study on the simplest supramolecular hetero-association, recently investigated by the authors to prepare architectural homogeneous structures in the melt state, based on the bio-inspired hydrogen-bonding of thymine/diaminotriazine (thy–DAT) base-pairs. In the combination with an amorphous low T [...] Read more.
We present a structural and dynamic study on the simplest supramolecular hetero-association, recently investigated by the authors to prepare architectural homogeneous structures in the melt state, based on the bio-inspired hydrogen-bonding of thymine/diaminotriazine (thy–DAT) base-pairs. In the combination with an amorphous low Tg poly(butylene oxide) (PBO), no micellar structures are formed, which is expected for nonpolar polymers because of noncompatibility with the highly polar supramolecular groups. Instead, a clear polymer-like transient architecture is retrieved. This makes the heterocomplementary thy–DAT association an ideal candidate for further exploitation of the hydrogen-bonding ability in the bulk for self-healing purposes, damage management in rubbers or even the development of easily processable branched polymers with built-in plasticizer. In the present work, we investigate the temperature range from Tg + 20 °C to Tg + 150 °C of an oligomeric PBO using small-angle X-ray scattering (SAXS) and linear rheology on the pure thy and pure DAT monofunctionals and on an equimolar mixture of thy/DAT oligomers. The linear rheology performed at low temperature is found to correspond to fully closed-state dimeric configurations. At intermediate temperatures, SAXS probes the equilibrium between open and closed states of the thy–DAT mixtures. The temperature-dependent association constant in the full range between open and closed H-bonds and an enhancement of the monomeric friction coefficient due to the groups is obtained. The thy–DAT association in the melt is more stable than the DAT–DAT, whereas the thy–thy association seems to involve additional long-lived interactions. Full article
(This article belongs to the Special Issue Multifunctional Supramolecular Polymers)
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