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Polymers 2018, 10(11), 1209; https://doi.org/10.3390/polym10111209

A Facile Approach for Fabricating Microstructured Surface Based on Etched Template by Inkjet Printing Technology

Key Laboratory of Pulp, Paper, Printing & Packaging of China National Light Industry, Key Laboratory of Printing & Packaging Materials and Technology of Shandong Province, School of Light Industry and Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
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Received: 18 September 2018 / Revised: 26 October 2018 / Accepted: 29 October 2018 / Published: 31 October 2018
(This article belongs to the Special Issue Lithography with polymer stamp techniques)
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Abstract

Microstructures are playing an important role in manufacturing functional devices, due to their unique properties, such as wettability or flexibility. Recently, various microstructured surfaces have been fabricated to realize functional applications. To achieve the applications, photolithography or printing technology is utilized to produce the microstructures. However, these methods require preparing templates or masks, which are usually complex and expensive. Herein, a facile approach for fabricating microstructured surfaces was studied based on etched template by inkjet printing technology. Precured polydimethylsiloxane substrate was etched by inkjet printing water-soluble polyacrylic acid solution. Then, the polydimethylsiloxane substrate was cured and rinsed, which could be directly used as template for fabricating microstructured surfaces. Surfaces with raised dots, lines, and squares, were facilely obtained using the etched templates by inkjet printing technology. Furthermore, controllable anisotropic wettability was exhibited on the raised line microstructured surface. This work provides a flexible and scalable way to fabricate various microstructured surfaces. It would bring about excellent performance, which could find numerous applications in optoelectronic devices, biological chips, microreactors, wearable products, and related fields. View Full-Text
Keywords: inkjet printing; etched template; microstructured surface; anisotropic wettability inkjet printing; etched template; microstructured surface; anisotropic wettability
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Sun, J.; Yun, C.; Cui, B.; Li, P.; Liu, G.; Wang, X.; Chu, F. A Facile Approach for Fabricating Microstructured Surface Based on Etched Template by Inkjet Printing Technology. Polymers 2018, 10, 1209.

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