Nano‐metal oxide fillers in thermo‐responsive polycaprolactone‐based polymer nanocomposites smart materials: Impact on thermo‐mechanical, and shape memory properties

Gopinath, Sithara; Adarsh, N. N.; Nair, P.M.; Mathew, Suresh

doi:10.1002/vnl.21848

Cited by 13 publications

(10 citation statements)

References 51 publications

(59 reference statements)

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“…Meanwhile, a versatile range of studies have been conducted on SMP and nanoarchitectures recently with versatile enhanced properties for multifunctional applications. [ 98–180 ]…”

Section: Discussionmentioning

confidence: 99%

Multifunctional properties optimization and stimuli‐responsivity of shape memory polymeric nanoarchitectures and applications

Idumah

2023

Polymer Engineering & Sci

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As a result of nanotechnological advancement, parameters inducing flaws in shape memory polymers (SMP), such as weak mechanical properties, low electrical, and thermal conductivities, and so on, were mitigated through the inclusion of a versatile range of nanomaterials such as montmorillonites, carbon nanotubes, graphene and derivatives, cellulose nanocrystals, carbon nanofibers, and so on, thereby forming shape memory polymeric nanoarchitectures (SMPNs). Hence, this work elucidates most recently emerging advancements on multifunctional SMPNs filled by differing nanoparticulates. Varying multifunctional SMPNs exhibit responsivity to varying forms of stimulation strategies, including thermal responsivity, electroactivated, alternating magnetic field responsivity, light sensitivity, and water induced SMPs. Therefore, this article presents very recently emerging advancements in the construction, characterization, properties, and multifunctional applications of stimuliresponsive SMPNs, with special emphasis on functional and stimuli-responsive SMPNs. Furthermore, important functions of SMPNs such as stimuli-memory effect and self-mending abilities, as well as prospective strategies for future progress of these materials are highlighted.

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“…Meanwhile, a versatile range of studies have been conducted on SMP and nanoarchitectures recently with versatile enhanced properties for multifunctional applications. [ 98–180 ]…”

Section: Discussionmentioning

confidence: 99%

Multifunctional properties optimization and stimuli‐responsivity of shape memory polymeric nanoarchitectures and applications

Idumah

2023

Polymer Engineering & Sci

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“…For this to happen, it is necessary to develop a steady state of the aforementioned PCL. 93,106,[120][121][122] To achieve an SME instead, oligo(-caprolactone) (OCL) segments were added to methacrylate-based networks. 123 Designing SMPs for biological applications is made possible by the soft PCL blocks' biodegradability.…”

Section: Melting Transition-based Shape Memory Polymersmentioning

confidence: 99%

“…Melt mixing is also used in SBS/PCL blend mixture, which helps to mix SBS (having higher T m ) with PCL (having lower T m ) with nanofillers to form nanocomposites. 93,106,120,196 Melt mixing, uses thermomechanical methods, which is an effective and practicable approach for fabricating SMPCs. In competitive with other methods like solution casting/in situ polymerization, melt-mixing offers better functionalization and hybridization features in nanoparticles that are essential to enhance the homogeneous dispersion and thermomechanical performance of the nanofillers in SMPCs.…”

Section: Melt Compoundingmentioning

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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“…Metal oxides are also one of the reinforcing agents incorporated into SBS matrices 132–136 . Gopinath et al had fabricated a thermoresponsive shape memory composite derived from PCL, SBS encapsulated with CuO, Fe 2 O 3 , and CuFe 2 O 4.…”

Section: Sbs‐based One‐way Shape Memory Polymersmentioning

confidence: 99%

Styrene‐butadiene‐styrene‐based shape memory polymers: Evolution and the current state of art

Basak

Bandyopadhyay

2022

Polymers for Advanced Techs

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Styrene butadiene styrene (SBS) block copolymers comprise of two phases structured domains involving polystyrene "hard" domains and butadiene "soft" domains.The styreneic domains provide a physical crosslink that enables SBS to behave like a highly flexible thermoplastic elastomer. Recently, with the rise of smart elastomers, SBS-based matrices are being extensively used in transforming them into elastomers that can exhibit shape change when excited with a range of stimuli (shape memory elastomers). With the advantages of long-range elasticity, reprocessability, and ability to be modified into various tailor-made shape morphing elastomers, the use SBSbased elastomers has exceptionally risen in the scope of deployable structures temperature sensors, snap fittings, and actuators. This review attempts to tether the recent development in SBS-based shape memory polymers along with highlighting the fabrication routes and the shape memory mechanistic pathway. The review introduces the concept of shape memory polymers, classification, and their characterization, followed by shape memory elastomers and finally one way/two-way SBS-based shape memory elastomers. In an attempt to blend both the scientific and the engineering realm, the narrative provides a concise overview of SBS-based shape morphing polymers' expanding boundaries.

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Nano‐metal oxide fillers in thermo‐responsive polycaprolactone‐based polymer nanocomposites smart materials: Impact on thermo‐mechanical, and shape memory properties

Cited by 13 publications

References 51 publications

Multifunctional properties optimization and stimuli‐responsivity of shape memory polymeric nanoarchitectures and applications

Multifunctional properties optimization and stimuli‐responsivity of shape memory polymeric nanoarchitectures and applications

Recent trends in thermo‐responsive elastomeric shape memory polymer nanocomposites

Styrene‐butadiene‐styrene‐based shape memory polymers: Evolution and the current state of art

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