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   Articles with "memory polymers" as a keyword



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Shape Memory Polymers for Body Motion Energy Harvesting and Self-Powered Mechanosensing.

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recommendations! Published in 2018 at "Advanced materials"

DOI: 10.1002/adma.201705195

Abstract: Growing demand in portable electronics raises a requirement to electronic devices being stretchable, deformable, and durable, for which functional polymers are ideal choices of materials. Here, the first transformable smart energy harvester and self-powered mechanosensation… read more here.

Keywords: polymers body; energy; shape memory; self powered ... See more keywords
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Digital light fabrication of reversible shape memory polymers

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recommendations! Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.131306

Abstract: Abstract Reversible shape memory polymers (SMPs) have received extensive attention because of their unique deformation mechanisms and diverse shape-changing behaviors. However, the traditional methods of fabricating reversible SMPs usually result in the limitation of the… read more here.

Keywords: shape; reversible shape; digital light; shape memory ... See more keywords
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Investigation of ultraviolet radiation effects on thermomechanical properties and shape memory behaviour of styrene-based shape memory polymers and its composite

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recommendations! Published in 2018 at "Composites Science and Technology"

DOI: 10.1016/j.compscitech.2018.07.001

Abstract: Abstract In recent years, shape memory polymers (SMP) have been researched extensively for space applications, such as deployable solar panels and antenna reflectors. Space applications cause SMP components to be severely exposed to ultraviolet (UV)… read more here.

Keywords: styrene based; shape memory; thermomechanical properties; properties shape ... See more keywords
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PVDF-based shape memory polymers

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recommendations! Published in 2019 at "European Polymer Journal"

DOI: 10.1016/j.eurpolymj.2019.02.040

Abstract: Abstract P(VDF-co-CTFE)-g-PEGMA copolymers were synthesized via ATRP, using poly(vinylidene fluoride-co-chlorotrifluoroethylene) P(VDF-co-CTFE) as macroinitiator and poly(ethylene glycol) methyl ether methacrylate (PEGMA) as the building block of side chains. Combination of P(VDF-co-CTFE) and PEGMA, resulted in hydrophilic… read more here.

Keywords: vdf ctfe; pegma; shape; shape memory ... See more keywords
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Modeling deformation induced anisotropy of light-activated shape memory polymers

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recommendations! Published in 2020 at "International Journal of Non-linear Mechanics"

DOI: 10.1016/j.ijnonlinmec.2019.103376

Abstract: Abstract Light-activated shape memory polymers (LASMPs) are a new generation of active materials that undergo phase transformations upon light irradiation at different wavelength and intensities. This type of material shows much promise in its use… read more here.

Keywords: shape; light activated; shape memory; activated shape ... See more keywords
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Stiff Shape Memory Polymers for High-Resolution Reconfigurable Nanophotonics.

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recommendations! Published in 2022 at "Nano letters"

DOI: 10.1021/acs.nanolett.2c03007

Abstract: Reconfigurable metamaterials require constituent nanostructures to demonstrate switching of shapes with external stimuli. Yet, a longstanding challenge is in overcoming stiction caused by van der Waals forces in the deformed configuration, which impedes shape recovery.… read more here.

Keywords: stiff shape; shape memory; resolution; memory polymers ... See more keywords
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Thermally Triggered Multilevel Diffractive Optical Elements Tailored by Shape-Memory Polymers for Temperature History Sensors.

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recommendations! Published in 2023 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c18901

Abstract: The morphological transitions induced by external stimuli in shape-memory polymers (SMPs) can be exploited with the real-time response of far-field diffraction patterns in diffractive optical elements (DOEs). In this paper, we combine the temperature characteristics… read more here.

Keywords: temperature history; diffractive optical; temperature; shape memory ... See more keywords
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Thermally and Near-Infrared Light-Induced Shape Memory Polymers Capable of Healing Mechanical Damage and Fatigued Shape Memory Function.

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recommendations! Published in 2019 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.8b21970

Abstract: The fabrication of shape memory polymers that are mechanically robust and capable of being induced by near-infrared (NIR) light and healing mechanical damage and the fatigued shape memory function remains a challenge. In this study,… read more here.

Keywords: pva paa; shape memory; memory; memory polymers ... See more keywords
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Thermadapt Shape Memory Polymers Enabling Spatially Regulated Plasticity.

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recommendations! Published in 2022 at "ACS macro letters"

DOI: 10.1021/acsmacrolett.2c00330

Abstract: Converting planar polymer films into sophisticated 3D structures with a facile and effective method is highly challenging yet desirable for device applications in the real world. Dynamic covalent polymer networks enable permanent shape transformations from… read more here.

Keywords: polymers enabling; shape memory; thermadapt shape; memory polymers ... See more keywords
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Focused ultrasound actuation of shape memory polymers; acoustic-thermoelastic modeling and testing

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recommendations! Published in 2017 at "RSC Advances"

DOI: 10.1039/c7ra07396h

Abstract: Controlled drug delivery (CDD) technologies have received extensive attention recently. Despite recent efforts, drug releasing systems still face major challenges in practice, including low efficiency in releasing the pharmaceutical compounds at the targeted location with… read more here.

Keywords: focused ultrasound; shape; shape memory; actuation shape ... See more keywords
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A thermoviscoelastic finite deformation constitutive model based on dual relaxation mechanisms for amorphous shape memory polymers

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recommendations! Published in 2023 at "International Journal of Smart and Nano Materials"

DOI: 10.1080/19475411.2023.2206675

Abstract: ABSTRACT This paper proposes a new thermoviscoelastic finite deformation model incorporating dual relaxation mechanisms to predict the complete thermo-mechanical response of amorphous shape memory polymers. The model is underpinned by the detailed microscopic molecular mechanism… read more here.

Keywords: relaxation mechanisms; constitutive model; shape memory; model ... See more keywords