4D printing of shape memory polymer via liquid crystal display (LCD) stereolithographic 3D printing | Zendy

Wubin Shan | Zendy; Yifan Chen | Zendy; Mo Hu | Zendy; Shigang Qin | Zendy; Peng Liu | Zendy

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4D printing of shape memory polymer via liquid crystal display (LCD) stereolithographic 3D printing

Author(s) -

Wubin Shan,

Yifan Chen,

Mo Hu,

Shigang Qin,

Peng Liu

Publication year - 2020

Publication title -

materials research express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.383

H-Index - 35

ISSN - 2053-1591

DOI - 10.1088/2053-1591/abbd05

Subject(s) - materials science , 3d printing , digital light processing , liquid crystal display , shape memory polymer , actuator , shape memory alloy , flexible display , transparency (behavior) , optoelectronics , composite material , computer science , thin film transistor , projector , computer security , layer (electronics) , artificial intelligence , computer vision

In this study, we report a new epoxy acrylate based shape memory polymer (SMP) fabricated by Liquid crystal display (LCD) Stereolithographic 3D printing. The printed 3D object has a high resolution and high transparency in visible light region. The uniaxial tensile tests showed enhanced tensile toughness and tunable mechanical properties. The fix-recovery and cycle tests indicated high shape recovery properties including high shape recovery rate and excellent cycling stability. In addition, a smart electrical valve actuator was fabricated that can be used in fast heat or electricity responsive electrical circuits. LCD 3D printing provides a low-cost and high efficient way to fabricate fast responsive SMP, which can be used in wide applications in various fields on aerospace engineering, biomedical devices, soft robots and electronic devices.

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