Photocurable ceramic/monomer feedstocks containing terpene crystals as sublimable porogen for UV curing-assisted 3D plotting
- Authors
- Maeng, Woo-Youl; Jeon, Jong-Won; Lee, Jung-Bin; Lee, Hyun; Koh, Young-Hag; Kim, Hyoun-Ee
- Issue Date
- 8월-2020
- Publisher
- ELSEVIER SCI LTD
- Keywords
- Additive manufacturing; Photopolymerization; Porogen; Hierarchical porous ceramic; Microporous filament
- Citation
- JOURNAL OF THE EUROPEAN CERAMIC SOCIETY, v.40, no.9, pp.3469 - 3477
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
- Volume
- 40
- Number
- 9
- Start Page
- 3469
- End Page
- 3477
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/53850
- DOI
- 10.1016/j.jeurceramsoc.2020.03.047
- ISSN
- 0955-2219
- Abstract
- This study presents a novel strategy to construct ceramic structures comprised of microporous filaments using photocurable ceramic/monomer feedstocks containing terpene crystals as sublimable porogens for UV curing-assisted 3D plotting technique. The biphasic calcium phosphate (BCP) feedstock, composed of frozen terpene crystals surrounded by BCP/UDMA walls, could be favorably extruded through a fine nozzle and then effectively photopolymerized by UV light. Thus, green filaments with high shape retention could be obtained. In addition, a number of pores could be created in BCP filaments after removing terpene crystals via freeze-drying and the porosity could be tailored by adjusting terpene content in BCP feedstocks. This approach allowed for the construction of dual-scale porous structures comprising microporous filaments in a periodic pattern, with tailored overall porosities and compressive strengths. Several types of self-supporting structures were also successfully constructed using our approach.
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Collections - Graduate School > Department of Bioengineering > 1. Journal Articles
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