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Meeting MS&T23: Materials Science & Technology
Symposium Additive Manufacturing of Polymeric-based Materials: Challenges and Potentials
Presentation Title Quick Cure Silicones for Nontraditional Architectures
Author(s) Anna Guell Izard, Lemuel Xavier Perez Perez, Jeremy Lenhardt, Todd Weisgraber, Ilse Van Meerbeek, A. Melody Golobic
On-Site Speaker (Planned) Anna Guell Izard
Abstract Scope Silicone elastomers have a broad variety of applications, such as soft robotics, and structural metamaterials. Extrusion-based method known as direct ink write (DIW), has enabled the production of additively manufactured silicone structures. However, this method is limited to manufacturing mostly planar structures. Because of the low self-supporting capabilities of extruded strands, the obtention of tall or overhanging structures is not feasible. Here, we present a Quick-cure silicone-based ink that allows us to manufacture complex three-dimensional structures. Silicone structures are manufactured with Quick-cure ink by coextruding and inline mixing a part A containing a catalyst and a part B containing a crosslinker. By the virtue of crosslinking, extruded strands rigidize, increasing their self-supportive capacity. Hence, allowing the obtention of structures with superior shape retention and manufacturing previously unattainable parts. This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. LLNL-ABS-846973

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Printing of Silicone-Based Flexible Materials with Embedded Sensors for Soft Robotic Actuator Applications
A-10: Synthesis and Characterization of Electroplated Alloys on 3D Printed Preforms
Characterization of Processing and Performance Properties of Ammonium Perchlorate Composite Propellant for Use in an Additive-manufacture System
Enhancing Interphase Strength of Glass Fiber Polymer Matrix Composites - A Molecular Dynamics Study
Extrusion of Compounded rPET with Graphite Powder into Filament for Material Extrusion (MEX) Additive Manufacturing Technology
Investigating Antimicrobial Efficacy of Printed PEEK Coated with AgNPs
Manufacturing of High-Quality Polymer Powders for Selective Laser Sintering Using Thermally Induced Phase Separation and In-situ Sol Gel Process
Material Extrusion Additive Manufacturing of Thermoset-based Short Fiber Composites
Photopolymer-metal Composites Based on Metal Foil Deposition on Additive Manufactured Substrates
Polymer Additive Manufacturing of Low-cost Agile Tooling for Sheet Metal Forming
Quick Cure Silicones for Nontraditional Architectures

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