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Advanced Shape-Memory Polymers: Design, Multifunctionality and Smart Applications

A Special Issue of Polymers (ISSN 2073-4360) belonging to the section "Smart and Functional Polymers".

Deadline for manuscript submissions: 28 February 2027 | Viewed by 808

Editors


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Guest Editor
1. School of Engineering, Faculty of Health Engineering and Sciences, University of Southern Queensland, Toowoomba, Australia
2. Centre for Future Materials, Institute for Advanced Engineering and Space Sciences, University of Southern Queensland, Toowoomba, Australia
Interests: smart materials and applications; composites processing and characterisation; cure kinetics analysis

E-Mail Website
Guest Editor
1. School of Engineering, Faculty of Health Engineering and Sciences, University of Southern Queensland, Toowoomba, Australia
2. Centre for Future Materials, Institute for Advanced Engineering and Space Sciences, University of Southern Queensland, Toowoomba, Australia
Interests: smart composite materials; health monitoring of structures; strutural analysis
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Civil and Environmental Engineering, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
Interests: smart and multifunctional composites; epoxy and thermoset resin systems; low-carbon composite materials

Special Issue Information

Dear Colleagues,

Shape-memory polymers (SMPs) have emerged as an important class of smart materials capable of programmable shape transformation, multifunctional responses, and adaptive behaviour under external stimuli. Progress in molecular architecture, network design, and processing methodologies has broadened the performance range and application potential of SMP systems. This Special Issue aims to bring together high-quality research and critical reviews that advance the understanding, development, and application of advanced shape-memory polymers with relevance to engineering and functional materials.

Contributions addressing both fundamental and applied aspects of SMPs, including material design strategies, reversible and multi-shape-memory mechanisms, multifunctional and double-acting systems, and integration into smart structures and functional devices, are welcome. Particular emphasis will be placed on structure–property relationships, processing and manufacturing approaches such as additive manufacturing and composite integration, and strategies for performance optimisation. Studies addressing intelligent, bio-based, and sustainable SMP systems, as well as hybrid and composite architectures are also encouraged.

For this Special Issue, we welcome original research articles, comprehensive reviews, and perspective papers that critically assess current challenges and identify future research directions. The objective is to provide a focused platform that supports interdisciplinary collaboration and facilitates the translation of shape-memory polymer technologies into advanced engineering and smart material applications.

Dr. Janitha Jeewantha
Dr. Jayantha Epaarachchi
Dr. Omar Alajarmeh
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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized 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

  • shape-memory polymers
  • smart polymers
  • stimuli-responsive materials
  • reversible shape memory
  • multifunctional polymers
  • vitrimers
  • polymer processing
  • additive manufacturing
  • engineering applications
  • sustainable polymers

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Published Papers (1 paper)

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Research

23 pages, 9537 KB  
Article
Composition-Dependent Deformation and Shape-Memory Mechanisms of PETG/POE Blends: An All-Atom Molecular Dynamics Study
by Xiaoqing Feng, Jiangwen Chen, Lei Zhu, Chao Cao, Yunfei Cai and Xin Luo
Polymers 2026, 18(14), 1734; https://doi.org/10.3390/polym18141734 - 15 Jul 2026
Viewed by 488
Abstract
PETG/POE blends are thermo-responsive shape-memory systems with composition-dependent deformation and thermomechanical recovery behavior, but their molecular mechanism remains unclear. In this work, all-atom molecular dynamics simulations were performed for PETG/POE blends with different compositions. Model reliability was supported by density stabilization during equilibration [...] Read more.
PETG/POE blends are thermo-responsive shape-memory systems with composition-dependent deformation and thermomechanical recovery behavior, but their molecular mechanism remains unclear. In this work, all-atom molecular dynamics simulations were performed for PETG/POE blends with different compositions. Model reliability was supported by density stabilization during equilibration and by reasonable agreement between simulated and experimental glass transition temperatures, with glass transition temperature deviations below 1.3%. Tensile simulations showed that increasing POE content reduced Young’s modulus from 1.81 to 1.10 GPa and yield stress from 0.251 to 0.144 GPa, indicating decreased stiffness and enhanced deformation accommodation. Free-volume and cavity analyses indicated tensile-induced packing loosening, cavity nucleation, and subsequent cavity growth and coalescence. Component-resolved interaction-energy decomposition and phase-resolved mean square displacement analyses showed strong PETG-related cohesive interactions, restricted PETG mobility at 200 K, enhanced POE mobility at 450 K, and relatively stronger PETG-POE interactions at intermediate compositions. These results help us to correlate blend composition, local structure, interaction-energy reorganization, chain conformation, and segmental mobility with fixation-recovery behavior. Under the present simulation protocol, PETG4/POE6 showed a relatively balanced response because of the compromise among rigidity, intermolecular interactions, cavity evolution, and thermally activated mobility. Full article
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