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Polymers
Special Issues
Functional Polymer Materials
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Functional Polymer Materials

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Smart and Functional Polymers".

Deadline for manuscript submissions: closed (25 July 2022) | Viewed by 4324

Special Issue Editors

Dr. Xiubin Xu

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
Interests: hydrogels; flexible sensors; biomaterials; polysaccharides; self-healing; smart materials
Special Issues, Collections and Topics in MDPI journals
Dr. Xu Wu

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510000, China
Interests: polymer coating; superhydrophilicity; superhydrophobicity; anti-adhesion
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Functional polymer materials have been developed fast in recent years, being widely used in a wide range of applications, including medicine, environmental protection, and energy storage. Various functions endow polymer materials with special properties that help to meet the application requirements, such as self-healing, which can expand their lifetime of service.

This Special Issue focuses on the latest research advances in the design and construction of novel functional polymer materials and their application. Original and review contributions that discuss recent achievements in functional polymer materials on frontier applications are encouraged in this Special Issue.

Dr. Xiubin Xu
Dr. Xu Wu
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

  • self-healing
  • antifouling
  • sensors
  • stimuli-responsive
  • fluorescence

Published Papers (2 papers)

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Research

13 pages, 2353 KiB  
Article
Bioinspired High-Performance Bilayer, pH-Responsive Hydrogel with Superior Adhesive Property
by Shulan Jiang and Li Xia
Polymers 2022, 14(20), 4425; https://doi.org/10.3390/polym14204425 - 19 Oct 2022
Cited by 6 | Viewed by 1581
Abstract
Soft actuators have attracted extensive attention for promising applications in drug delivery, microfluidic switches, artificial muscles and flexible sensors. However, the performance of pH-responsive hydrogel actuators, such as regarding reversible bending property and adhesive property, remains to be improved. In this study, inspired [...] Read more.
Soft actuators have attracted extensive attention for promising applications in drug delivery, microfluidic switches, artificial muscles and flexible sensors. However, the performance of pH-responsive hydrogel actuators, such as regarding reversible bending property and adhesive property, remains to be improved. In this study, inspired by drosera leaves, we have fabricated high-performance bilayer, pH-responsive poly(acrylamide-acrylic acid-3-acrylamidophenylboronic acid)(P(AAm-AAc-3-AAPBA)) based on the copolymers of AAm, AAc and 3-AAPBA. The pH-sensitive actuators were fabricated by ultraviolet polymerization of the P(AAm-AAc-3-AAPBA) layer as the active actuating layer and the PAAm layer as the auxiliary actuating layer. The effects of pH, glucose concentration and content of 3-AAPBA on bending behavior of P(AAm-AAc-3-AAPBA)/PAAm bilayer actuators were discussed. By tuning the pH of media, the soft actuator could achieve fast and large-amplitude bidirectional bending behaviors. The bending orientation and bending degree can be reversibly and precisely adjusted. More importantly, P(AAm-AAc-3-AAPBA) hydrogel shows good adhesive property in polyvinyl alcohol (PVA) solution; thus, complex structures have been fabricated. In addition, the bilayer hydrogel structures have been demonstrated as soft actuators, bionic flowers and bionic manipulators. The proposed pH-responsive bilayer actuator shows great potential for drug delivery and other medical systems. Full article
(This article belongs to the Special Issue Functional Polymer Materials)
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11 pages, 514 KiB  
Article
Phase Transitions of Polarised PVDF Films in a Standard Curing Process for Composites
by Nils Vasic, Julian Steinmetz, Marion Görke, Michael Sinapius, Christian Hühne and Georg Garnweitner
Polymers 2021, 13(22), 3900; https://doi.org/10.3390/polym13223900 - 11 Nov 2021
Cited by 14 | Viewed by 2231
Abstract
The article reports on the influence of annealing PVDF in an autoclave process on the PVDF phase composition. DSC, FTIR and XRD measurements serve to observe the phase changes in an already stretched, polarised and β-phase rich film. Annealing was conducted between 90 [...] Read more.
The article reports on the influence of annealing PVDF in an autoclave process on the PVDF phase composition. DSC, FTIR and XRD measurements serve to observe the phase changes in an already stretched, polarised and β-phase rich film. Annealing was conducted between 90 and 185 ∘C to cover a broad range of curing processes in an autoclave. The β-phase is found to be stable up to near the melting range at 170 ∘C. At 175 ∘C, the non-piezoelectric α-phase dominates and the piezoelectric γ- and γ′-phases appear. The γ-phase grows at elevated temperatures and replaces the β-phase. This observation stresses the importance of developing new methods to reactivate the polarisation after annealing, in particular for the integration of PVDF as a sensor in laminated structures, such as CFRP. Full article
(This article belongs to the Special Issue Functional Polymer Materials)
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