Biocompound-based multiple shape memory polymers reinforced by photo-cross-linking
Abstract
For the design of shape memory polymers with potential biomedical applications, we synthesized methacrylate-based monomers bearing biological compounds such as cholic acid and cinnamic acid in addition to oligo(ethylene glycol) as pendant groups and opted to use a simple radical polymerization method for the preparation of the copolymers. The glass transition temperatures of these polymers are broad and tunable and can thus accommodate dual and triple shape memory behaviors. The fixity ratios of dual and triple shape memory are all above 91%. The recovery ratio of dual shape memory is 89.5%, whereas the two recovery ratios of triple shape memory are 53.2 and 81.5%, respectively. To further improve the shape memory properties, a cinnamic acid-based methacrylate monomer was incorporated into the copolymers to enable a photo-cross-linking of the terpolymer. After irradiation, the fixity ratios remain high, whereas the recovery ratios of dual and triple shape memories are much improved. The terpolymers after light irradiation even show quadruple shape memory property. Different irradiation times were tested to optimize the shape memory effects. The recovery ratio of dual shape memory of such terpolymers can reach as high as 98.6%, whereas the recovery ratios of triple and quadruple shape memories are improved to the range of 75.3-99.1%.
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The temperature-memory effect approach has been largely employed to achieve multiple-way SMPs with a broad glass transition or a broad melting transition as the switching transition.
“Such an approach has been largely employed to achieve multiple-way SMPs with a broad glass transition [82-92] and a broad melting transition [93-95] as the switching transition.”
From Two-Way and Multiple-Way Shape Memory Polymers for Soft Robotics: An Overview (2020) · cites this paper as [89]
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Self-citation
- Authors
- Wang, K., Jia, Y.-G., & Zhu, X. X.
- Affiliations
- Université de Montréal (CA)
- Corresponding author
- Zhu, X. X.
- Venue
- ACS Biomaterials Science & Engineering
- Publisher
- American Chemical Society (ACS)
- Published
- 2015-08-07
- Volume
- 1
- Issue
- 9
- Pages
- 855-863
- ISSN
- 2373-9878 (ISSN-L)
- OpenAlex
- W2510714198
- Cited by
- 54
- References
- 46
- Citations by year
- 2026: 2 · 2025: 6 · 2024: 3 · 2023: 6 · 2022: 6 · 2021: 4 · 2020: 5 · 2019: 6 · 2018: 5 · 2017: 3 · 2016: 8
- FWCI
- 3.42
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- ACS Biomaterials Science & Engineering (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Fonds de Recherche du Qu?bec - Nature et Technologies
- China Scholarship Council
- Canada Research Chairs
- Natural Sciences and Engineering Research Council of Canada
- Topics
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer composites and self-healing
- Physical Sciences › Engineering › Mechanical Engineering › Advanced Materials and Mechanics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Medicine › Hydrogels: synthesis, properties, applications
- Keywords
- shape memory polymers, photocrosslinking, methacrylate copolymers, cholic acid, cinnamic acid, oligo(ethylene glycol), recovery ratio, glass transition temperature, biomedical applications, radical polymerization
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