Issue 23, 2024

Solvent-triggered shape change in gradient-based 4D printed bilayers: case study on semi-crystalline polymer networks

Abstract

We propose an approach to 4D print solvent-triggered, gradient-based bilayers made of semi-crystalline crosslinked polymer networks. Out-of-plane bending is obtained after immersion in the solvent, exploiting the different swelling degrees of the layers resulting from crosslinking gradients. Lastly, a beam model of the shape transformation is applied and experimentally validated.

Graphical abstract: Solvent-triggered shape change in gradient-based 4D printed bilayers: case study on semi-crystalline polymer networks

Article information

Article type
Communication
Submitted
11 Mar 2024
Accepted
01 May 2024
First published
02 May 2024
This article is Open Access
Creative Commons BY license

Soft Matter, 2024,20, 4544-4547

Solvent-triggered shape change in gradient-based 4D printed bilayers: case study on semi-crystalline polymer networks

L. Bonetti, A. Cobianchi, D. Natali, S. Pandini, M. Messori, M. Toselli and G. Scalet, Soft Matter, 2024, 20, 4544 DOI: 10.1039/D4SM00304G

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