Recent progress in shape memory polymer composites: methods, properties, applications and prospects

M Lei, Z Chen, H Lu, K Yu - Nanotechnology reviews, 2019 - degruyter.com
Shape memory polymers (SMPs) can be programmed to a temporary shape, and then
recover its original shape by applying environmental stimuli when needed. To expands the …

Direct 4D printing via active composite materials

Z Ding, C Yuan, X Peng, T Wang, HJ Qi, ML Dunn - Science advances, 2017 - science.org
We describe an approach to print composite polymers in high-resolution three-dimensional
(3D) architectures that can be rapidly transformed to a new permanent configuration directly …

Macromolecule conformational sha** for extreme mechanical programming of polymorphic hydrogel fibers

XQ Wang, KH Chan, W Lu, T Ding, SWL Ng… - Nature …, 2022 - nature.com
Mechanical properties of hydrogels are crucial to emerging devices and machines for
wearables, robotics and energy harvesters. Various polymer network architectures and …

3D soft auxetic lattice structures fabricated by selective laser sintering: TPU powder evaluation and process optimization

S Yuan, F Shen, J Bai, CK Chua, J Wei, K Zhou - Materials & Design, 2017 - Elsevier
The auxetic foams composed of highly porous thermoplastic polyurethane (TPU) exhibit an
attractive behaviour of withstanding a large volume reduction upon the cyclic compressive …

[HTML][HTML] Compressive and tensile behaviours of 3D hybrid auxetic-honeycomb lattice structures

Q Hu, G Lu, KM Tse - International Journal of Mechanical Sciences, 2024 - Elsevier
Lattice structures have the potential for application in tensile conditions. However, limited
studies have addressed tensile behaviours of such structures and compared them with their …

Helical structures mimicking chiral seedpod opening and tendril coiling

G Wan, C **, I Trase, S Zhao, Z Chen - Sensors, 2018 - mdpi.com
Helical structures are ubiquitous in natural and engineered systems across multiple length
scales. Examples include DNA molecules, plants' tendrils, sea snails' shells, and spiral …

Dual-responsive, shape-switching bilayers enabled by liquid crystal elastomers

JM Boothby, TH Ware - Soft Matter, 2017 - pubs.rsc.org
Materials that change shape are attractive candidates to replace traditional actuators for
applications with power or size restrictions. In this work, we design a polymeric bilayer that …

[HTML][HTML] 3D-printed auxetic-structured intervertebral disc implant for potential treatment of lumbar herniated disc

Y Jiang, K Shi, L Zhou, M He, C Zhu, J Wang, J Li, Y Li… - Bioactive materials, 2023 - Elsevier
In this study, a novel artificial intervertebral disc implant with modified “Bucklicrystal”
structure was designed and 3D printed using thermoplastic polyurethane. The new implant …

One-Component Dual Actuation: Poly (NIPAM) Can Actuate to Stable 3D Forms with Reversible Size Change.

L Liu, A Ghaemi, S Gekle, S Agarwal - … Materials (Deerfield Beach …, 2016 - europepmc.org
A rare example of a one-component dual actuator is provided, which displays irreversible
change in shape by rolling on contact with water and reversible size change on changing …

Long-term thermal aging of modified sylgard 184 formulations

Z Brounstein, J Zhao, D Geller, N Gupta, A Labouriau - Polymers, 2021 - mdpi.com
Primarily used as an encapsulant and soft adhesive, Sylgard 184 is an engineered, high-
performance silicone polymer that has applications spanning microfluidics …