2023
DOI: 10.1002/adfm.202313167
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Polysiloxane Inks for Multimaterial 3d Printing of High‐Permittivity Dielectric Elastomers

Patrick M. Danner,
Tazio Pleij,
Gilberto Siqueira
et al.

Abstract: Dielectric elastomer transducers (DET) are promising candidates for electrically‐driven soft robotics. However, the high viscosity and low yield stress of DET formulations prohibit 3D printing, the most common manufacturing method for designer soft actuators. DET inks optimized for direct ink writing (DIW) produce elastomers with high stiffness and mechanical losses, diminishing the utility of DET actuators. To address the antagonistic nature of processing and performance constraints, principles of capillary s… Show more

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Cited by 7 publications
(1 citation statement)
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“…One AM method that is particularly straightforward to adapt for multimaterial deposition is layer-by-layer direct ink writing (DIW). The simplest conceivable adjustment is to manually swap nozzles loaded with different materials during fabrication. , For example, consider 3D printing of a multilayered dielectric elastomer actuator which requires alternating layers of elastomer and conductive electrode ink to be patterned over long ranges (Figure ). In layer-by-layer DIW, the electrode ink (gray ink in Figure ) is loaded into a barrel or syringe and fed into a single conical-shaped nozzle, which is mounted on a 3D-printing arm that can raster in Cartesian coordinates.…”
Section: Introductionmentioning
confidence: 99%
“…One AM method that is particularly straightforward to adapt for multimaterial deposition is layer-by-layer direct ink writing (DIW). The simplest conceivable adjustment is to manually swap nozzles loaded with different materials during fabrication. , For example, consider 3D printing of a multilayered dielectric elastomer actuator which requires alternating layers of elastomer and conductive electrode ink to be patterned over long ranges (Figure ). In layer-by-layer DIW, the electrode ink (gray ink in Figure ) is loaded into a barrel or syringe and fed into a single conical-shaped nozzle, which is mounted on a 3D-printing arm that can raster in Cartesian coordinates.…”
Section: Introductionmentioning
confidence: 99%