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http://dx.doi.org/10.5850/JKSCT.2021.45.6.1052

Color Characteristics of 3D-Printed TPU Material Applied with Ultra-Violet Curable Digital Printing Process  

Lee, Sunhee (Dept. of Fashion Design, Dong-A University)
Park, Soyeon (Dept. of Fashion Design, Dong-A University)
Jung, Imjoo (Dept. of Fashion and Textiles, Dong-A University)
Lee, Jungsoon (Dept. of Clothing & Textiles, Chungnam National University)
Publication Information
Journal of the Korean Society of Clothing and Textiles / v.45, no.6, 2021 , pp. 1052-1062 More about this Journal
Abstract
This study aims to confirm the possibility of Ultra-Violet (UV)-printed 3D printing materials using thermal polyurethane (TPU) with CMYK colors by applying an eco-friendly UV digital printing process. A UV-printed 3D printing TPU material was prepared with cycles of UV printing and CMYK colors. Dyeability of the 3D TPU samples with cycles of UV printing and CMYK were analyzed for thickness, weight, surface roughness, reflectance, colorimetry, and K/S values. The thickness and weight of 3D-printed TPU samples with cycles of UV printing are increased with overprints from 1 to 5. The surface roughness of 3D-printed TPU samples with increasing UV prints were decreased, meaning that the surface of TPU samples becomes gradually smoother. The reflectance spectra of CMYK UV-printed TPU samples showed the surface reflectance within each characteristic wavelength of CMYK. The 3D-printed TPU samples, subjected to UV printing twice or more, showed low surface reflectance. After examining the L*a*b* of the 3D-printed TPU samples by the cycles of UV printing, the study found that the more UV got printed more than 2 times, the closer the color to each CMYK.
Keywords
UV curable printing; FDM 3D printed TPU material; Cycles of UV printing; Surface roughness; Color measurement;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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