journal article·2022-06-22

Patterning High-Resolution Microstructures on Thermoplastics by Ceramic Nanoparticles Filled Epoxy Coated Molds for Duplicating Nature-Derived Functional Surfaces

Xing Huang, Pengfei Wang, Junfeng Liu, Fangmin Xu, Cong Liu, Zhongbin Xu, Zhanglin Hou, Fangfu Ye

ACS Applied Materials & Interfaces· Volume 14· Issue 24
Publisher page

Abstract

Patterning high-resolution microstructures on thermoplastic substrates is of fundamental importance for the commercialization of microfluidics, advanced functional surfaces, and optical elements. Though many methods are developed to fabricate micropatterned plastic devices with 100 μm resolution, they suffer substantially higher cost or lower productivity when the resolution of the micropatterns is to be further improved. Here, we develop low-cost molds consisting of thin ceramic-filled-epoxy composite coatings on steel substrates. By virtue of the loaded ZrO2 nanoparticle fillers, the enhanced mechanical and thermal properties of the composite molds enable the epoxy microstructures to survive harsh conditions in conventional thermoplastic processing methods including hot embossing, imprinting, and mold injection. With the ceramic-filled-epoxy coated molds, we are able to improve the fabrication resolution of microstructures on plastics to 10 μm with unprecedented low-cost and excellent durability.
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Research context

OpenAlex topics: Nanofabrication and Lithography Techniques · Nanomaterials and Printing Technologies · Surface Modification and Superhydrophobicity

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Engineering, Zhejiang University City College, Hangzhou, 310015, China

Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China

Institute of Process Equipment, College of Energy Engineering, Zhejiang University, Hangzhou 310027, China

Ningbo Research Institute and Institute of Robotics, Zhejiang University, Ningbo 315100, China

Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing, 100190, China

Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang 325001, China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Institute of Robotics at Zhejiang University · Strategic Priority Research Program of Chinese Academy of Sciences · Wenzhou Institute, University of Chinese Academy of Sciences · Special Innovation Fund of Zhejiang University Ningbo

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