期刊
POLYMERS
卷 12, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/polym12040875
关键词
photopolymerization; conversion; oxygen inhibition; 3D printer
资金
- JSPS KAKENHI [JP18H05483, 16K14469, 18K04823, 19H05124]
- Grants-in-Aid for Scientific Research [16K14469, 18K04823, 19H05124] Funding Source: KAKEN
Additive manufacturing is a versatile technology for producing customized 3D products. In 2015, the Continuous Liquid Interface Production (CLIP) system was developed as a part of projection-type, UV-curable resin 3D printers. The CLIP system utilized the dead zone where oxygen inhibition occurs and prevents the UV-cured product from adhering to the UV illumination window. The CLIP system successfully produced complex shapes in a short time. This study investigated how the relationship between the photopolymerization rate, oxygen inhibition rate, and oxygen diffusion rate affects the shape of the product by means of a numerical simulation of the photopolymerization kinetics with oxygen diffusion and reaction. The results indicate that the vertical production speed and transmittance of UV light are crucial to controlling the conversion and shape precision of products.
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