Polymer Inkjet Printing: Construction of Three-Dimensional Structures at Micro-Scale by Repeated Lamination
- Title
- Polymer Inkjet Printing: Construction of Three-Dimensional Structures at Micro-Scale by Repeated Lamination
- Author
- 조용우
- Keywords
- inkjet printing; direct writing; 3D construction; micro-patterning; viscosity; surface tension
- Issue Date
- 2009-03
- Publisher
- POLYMER SOC KOREA
- Citation
- MACROMOLECULAR RESEARCH, v. 17, NO. 3, Page. 197-202
- Abstract
- Solution-based, direct-write patterning by an automated, computer-control led, inkjet technique is of particular interest in a wide variety of industrial fields. We report the construction of three-dimensional (313), micropatterned structures by polymer inkjet printing. A piezoelectric, drop-on-demand (DOD) inkjet printing system and a common polymer, PVA (poly(vinyl alcohol)), were explored for 3D construction. After a systematic preliminary study with different solvent systems, a mixture of water and DMSO was chosen as an appropriate solvent for PVA inks. The use of water as a single solvent resulted in frequent PVA clogging when the nozzles were undisturbed. Among the tested polymer ink compositions, the PVA inks in a water/DMSO mixture (4/1 v/v) with concentrations of 3 to 5 g/dL proved to be appropriate for piezoelectric DOD inkjet printing because they were well within the proper viscosity and surface tension range. When a dot was printed, the so-called 'coffee-ring effect' was significant, but its appearance was not prominent in line printing. The optimal polymer inkjet printing process was repeated slice after slice up to 200 times, which produced a well-defined, 3D micro-patterned surface. The overall results implied that piezoelectric DOD polymer inkjet printing could be a powerful, solid-freeform, fabrication technology to create a controlled 3D architecture.
- URI
- https://link.springer.com/article/10.1007%2FBF03218679https://repository.hanyang.ac.kr/handle/20.500.11754/183779
- ISSN
- 1598-5032;2092-7673
- DOI
- 10.1007/BF03218679
- Appears in Collections:
- COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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