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.
Cite
@article{arxiv.2501.04546,
title = {Solvent-triggered shape change in gradient-based 4D printed bilayers: case study on semi-crystalline polymer networks},
author = {Lorenzo Bonetti and Aron Cobianchi and Daniele Natali and Stefano Pandini and Massimo Messori and Maurizio Toselli and Giulia Scalet},
journal= {arXiv preprint arXiv:2501.04546},
year = {2025}
}
Comments
This work was funded by the European Union ERC CoDe4Bio Grant ID 101039467 under the funding programme Horizon Europe