Shape Memory Polymers as Smart Materials: A Review

Dayyoub, Tarek; Maksimkin, Aleksey V.; Borisova, O. V.; Tcherdyntsev, Victor V.; Telyshev, D. V.

doi:10.3390/polym14173511

Cited by 92 publications

(56 citation statements)

References 119 publications

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“…These polymers can be designed to return to their original shape after deformation, which is known as the shape memory effect. SMPs are typically composed of a thermoresponsive polymer and a crosslinking agent, which allows the polymer to retain its shape after heating and cooling (Khalid et al, 2022a;Dayyoub et al, 2022).…”

Section: Smart Materialsmentioning

confidence: 99%

4D Printing: Technology Overview and Smart Materials Utilized

Kantaros¹,

Ganetsos²,

Piromalis³

2023

Journal of Mechatronics and Robotics

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4D printing is a cutting-edge technology that allows for the creation of dynamic, self-assembling structures by utilizing cutting edge, newly introduced smart materials. It builds upon traditional 3D printing by adding the dimension of time, allowing printed objects to change shape or behavior over time. This is achieved through the use of smart materials, such as shape memory alloys or polymers, which respond to external stimuli such as heat or moisture. These materials are engineered to have specific properties that can be triggered by specific conditions such as temperature, humidity, light, or other physical forces. 4D printing enables the creation of structures that can adapt to their environment and perform specific functions, such as objects that change shape in response to temperature changes, or structures that can self-assemble in response to a specific trigger. Overall, 4D printing is an exciting and rapidly advancing technology that has the potential to revolutionize the way we design and create structures. The ability to create structures that can change shape or behavior over time opens up new possibilities for a wide range of applications. As the technology continues to evolve, we can expect to see more innovative uses of 4D printing in a wide range of scientific fields such as architecture, aerospace, and biomedical engineering demanding the creation of highly complex and dynamic structures that can adapt to changing environments.

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Section: Smart Materialsmentioning

confidence: 99%

4D Printing: Technology Overview and Smart Materials Utilized

Kantaros¹,

Ganetsos²,

Piromalis³

2023

Journal of Mechatronics and Robotics

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“…In some special clinical applications, it is unsuitable for materials with high elasticity and rapid shape and thermal sensitivity recovery. Thermally responsive SMPS also have disadvantages, such as uneven internal temperature distribution and different surface and internal temperature transfer rates [ 34 ]. Therefore, other types of SMPs gradually become a new research hotspot.…”

Section: Smps and Their Properties In Response To Different Stimulationsmentioning

confidence: 99%

The Current Status, Prospects, and Challenges of Shape Memory Polymers Application in Bone Tissue Engineering

Chen

Yuan

et al. 2023

Polymers

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Bone defects can occur after severe trauma, infection, or bone tumor resection surgery, which requires grafting to repair the defect when it reaches a critical size, as the bone’s self-healing ability is insufficient to complete the bone repair. Natural bone grafts or artificial bone grafts, such as bioceramics, are currently used in bone tissue engineering, but the low availability of bone and high cost limit these treatments. Therefore, shape memory polymers (SMPs), which combine biocompatibility, biodegradability, mechanical properties, shape tunability, ease of access, and minimally invasive implantation, have received attention in bone tissue engineering in recent years. Here, we reviewed the various excellent properties of SMPs and their contribution to bone formation in experiments at the cellular and animal levels, respectively, especially for the repair of defects in craniomaxillofacial (CMF) and limb bones, to provide new ideas for the application of these new SMPs in bone tissue engineering.

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“…SMPs are classified based on their configuration and structure, as well as their stimulus field and shape‐memory capabilities. Block/segmented copolymers, 40 polymer composites, 70 polymer interpenetrating polymer networks (IPNs) 71 /semi‐IPNs, 72 chemically crosslinked polymers, 2 polymer blends, 73 and even supramolecular polymer networks 74 are all examples of SMPs in terms of structure and composition.…”

Section: Basics Of Smpsmentioning

confidence: 99%

Recent trends in thermo‐responsive elastomeric shape memory polymer nanocomposites

et al. 2023

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Shape memory polymers (SMPs) are polymeric smart materials, a class of stimuli‐responsive polymers that can return to their initial shape from a programmed temporary shape under the application of external stimuli, such as light, heat, magnetism, and electricity. Because of these unique features, SMPs can find applications in many fields, like aerospace, biomedical devices, flexible electronics, soft robotics, shape memory arrays, and 4D printing. The comparatively low density, low cost, easy biodegradability, and biocompatibility make SMPs a better candidate for shape memory applications. Among them, thermo‐responsive SMPs can revert to their permanent shape depending on a temperature greater than their polymer transition temperature. Thermo‐responsive SMPs combine semi‐crystalline or elastomeric polymers with improved mechanical and electrical properties. Integrating nanofillers into the polymer elastomer matrices can further enhance these properties, forming shape‐memory polymer nanocomposites (SMPNCs). This review focuses on the basics, design, and classifications of thermo‐responsive SMPs and the characteristics of elastomers and blends of polymers used. Incorporating various nanofillers to get SMPNCs to have improved properties over SMPs is also presented. The importance of Tg (glass transition temperature) and Tm (melting temperature) based SMPs and SMPNCs, various elastomers used, and the methods for preparation like solution casting, melt compounding, in situ polymerization, and their possible future applications are also discussed.

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Shape Memory Polymers as Smart Materials: A Review

Cited by 92 publications

References 119 publications

4D Printing: Technology Overview and Smart Materials Utilized

4D Printing: Technology Overview and Smart Materials Utilized

The Current Status, Prospects, and Challenges of Shape Memory Polymers Application in Bone Tissue Engineering

Recent trends in thermo‐responsive elastomeric shape memory polymer nanocomposites

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