Approaches of combining a 3D-printed elastic structure and a hydrogel to create models for plant-inspired actuators

Rodriguez Nadia, Bastola Anil K., Behl Marc, Soffiatti Patricia, Rowe Nick P., Lendlein Andreas. 2021. Approaches of combining a 3D-printed elastic structure and a hydrogel to create models for plant-inspired actuators. MRS Advances, 6 : 625-630.

https://doi.org/10.1557/s43580-021-00081-6

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Résumé : Inspired by the interesting functional traits of a climbing cactus, Selenicereus setaceus, found in the forest formations of Southeastern Brazil, we formulated a hypothesis that we can directly learn from the plants to develop multi-functional artificial systems by means of a multi-disciplinary approach. In this context, our approach is to take advantage of 3D-printing techniques and shape-memory hydrogels synergistically to mimic the functional traits of the cactus. This work reports on the preliminary investigation of cactus-inspired artificial systems. First, we 3D-printed soft polymeric materials and characterized them, which defines the structure and is a passive component of a multi-material system. Second, different hydrogels were synthesized and characterized, which is an active component of a multi-material system. Finally, we investigated how the hydrogel can be integrated into the 3D-printed constructs to develop artificial functional systems.

Mots-clés Agrovoc : propriété physicochimique, propriété mécanique, polymérisation, Élasticité

Mots-clés géographiques Agrovoc : Brésil

Agences de financement européennes : European Commission

Agences de financement hors UE : Helmholtz Association

Programme de financement européen : H2020

Projets sur financement : (EU) Towards a new generation of plant-inspired growing artefacts

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