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4 March 2019 3D printing of highly fluorinated methacrylates for the rapid prototyping of transparent and chemically-resistant microfluidic devices
Patrick Risch, Frederik Kotz, Dorothea Helmer, Bastian E. Rapp
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Proceedings Volume 10875, Microfluidics, BioMEMS, and Medical Microsystems XVII; 108750A (2019) https://doi.org/10.1117/12.2508286
Event: SPIE BiOS, 2019, San Francisco, California, United States
Abstract
The raising importance of stereolithography printers for rapid prototyping of microfluidic chips is due to the combination of affordable machinery and high resolution. However most commercial printing materials have low chemical resistance to solvents and strong acids. Perfluoropolyethers (PFPE) are a class of materials which show a high chemical resistance. Here we present a new resin formulation using PFPE methacrylates which allows 3D printing of microfluidic structures with a channel size of 200 μm and a transparency of 90% in the visible light region. We further show that using an adapted PFPE resin formulation superhydrophobic surfaces can be printed.
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Patrick Risch, Frederik Kotz, Dorothea Helmer, and Bastian E. Rapp "3D printing of highly fluorinated methacrylates for the rapid prototyping of transparent and chemically-resistant microfluidic devices", Proc. SPIE 10875, Microfluidics, BioMEMS, and Medical Microsystems XVII, 108750A (4 March 2019); https://doi.org/10.1117/12.2508286
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KEYWORDS
Microfluidics
3D printing
Printing
Stereolithography
Rapid manufacturing
Transparency
Resistance
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