What question did this study set out to answer?

To fabricate reversible shape-shifting structures by controlling the molecular order of thermally responsive liquid crystal elastomers during direct-write 3D printing.

October 2, 2017ACS Applied Materials & Interfaces

Four-dimensional Printing of Liquid Crystal Elastomers

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To fabricate reversible shape-shifting structures by controlling the molecular order of thermally responsive liquid crystal elastomers during direct-write 3D printing.
Direct-write printed thermally responsive liquid crystal elastomers (LCEs) into three-dimensional architectures.
Programmed local molecular orientation by tailoring the toolpath trajectory during material deposition.
Aligned LCE filaments demonstrated 40% reversible contraction along the print direction upon heating.
Programmed print geometries produced complex, magnified transformations, including volumetric contractions and rapid, repetitive snap-through mechanical transitions.

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Implication

Experimental study demonstrates programmable 4D actuation in printed liquid crystal elastomers, highlighting pathways for soft robotics and dynamic medical devices.

Cite This Study

Ambulo et al. (2017) studied this question.

synapsesocial.com/papers/69d6b15e41375cf86eed8823 https://doi.org/10.1021/acsami.7b11851

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Implication

Experimental study demonstrates programmable 4D actuation in printed liquid crystal elastomers, highlighting pathways for soft robotics and dynamic medical devices.

Four-dimensional Printing of Liquid Crystal Elastomers

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Discussion

Implication

Cite This Study

Four-dimensional Printing of Liquid Crystal Elastomers

Key Points

Discussion

Implication

Cite This Study

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