4D printing with robust thermoplastic polyurethane hydrogel-elastomer trilayers

Anna B. Baker, Simon R.G. Bates, Thomas M. Llewellyn-Jones, Laurie P.B. Valori, Michael P.M. Dicker, Richard S. Trask

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Here we present a new 4D printing technique capable of producing a diverse range of trilayer constructs using commercial low-cost desktop 3D printers. This unique methodology permits the viable construction of dynamically robust and complex origami architectures for a new generation of active structures. The resulting creations transform from flat 2D parts to 3D structures through submersion in water and return to their original configuration through dehydration. This technique uses commercially available materials and printers to enable a 4D printing method that is more accessible and affordable than previous examples of hydration triggered 4D printing. This method yields a controlled and predictable actuation route and final shape, enabling it to be used for both simple and complex origami inspired designs, such as the tessellated waterbomb origami pattern, a design that has not previously been realised with 4D printing. These new designs demonstrate how the integration of multiple trilayers into a single 3D print enables through-thickness control of actuation and resulting formation of active structures with complexity beyond what has previously been achieved with 4D printing.

LanguageEnglish
Article number107544
JournalMaterials and Design
Volume163
Early online date13 Dec 2018
DOIs
StatusPublished - 5 Feb 2019

Keywords

  • 4D printing
  • Active structures
  • Hydrogels
  • Origami
  • Thermoplastic polyurethane
  • Trilayers

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Baker, A. B., Bates, S. R. G., Llewellyn-Jones, T. M., Valori, L. P. B., Dicker, M. P. M., & Trask, R. S. (2019). 4D printing with robust thermoplastic polyurethane hydrogel-elastomer trilayers. Materials and Design, 163, [107544]. https://doi.org/10.1016/j.matdes.2018.107544

4D printing with robust thermoplastic polyurethane hydrogel-elastomer trilayers. / Baker, Anna B.; Bates, Simon R.G.; Llewellyn-Jones, Thomas M.; Valori, Laurie P.B.; Dicker, Michael P.M.; Trask, Richard S.

In: Materials and Design, Vol. 163, 107544, 05.02.2019.

Research output: Contribution to journalArticle

Baker, AB, Bates, SRG, Llewellyn-Jones, TM, Valori, LPB, Dicker, MPM & Trask, RS 2019, '4D printing with robust thermoplastic polyurethane hydrogel-elastomer trilayers' Materials and Design, vol. 163, 107544. https://doi.org/10.1016/j.matdes.2018.107544
Baker AB, Bates SRG, Llewellyn-Jones TM, Valori LPB, Dicker MPM, Trask RS. 4D printing with robust thermoplastic polyurethane hydrogel-elastomer trilayers. Materials and Design. 2019 Feb 5;163. 107544. https://doi.org/10.1016/j.matdes.2018.107544
Baker, Anna B. ; Bates, Simon R.G. ; Llewellyn-Jones, Thomas M. ; Valori, Laurie P.B. ; Dicker, Michael P.M. ; Trask, Richard S. / 4D printing with robust thermoplastic polyurethane hydrogel-elastomer trilayers. In: Materials and Design. 2019 ; Vol. 163.
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