Oxygen concentration and conversion distributions in a layer-by-layer UV-cured film used as a simplified model of a 3D UV inkjet printing system

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• 作者：Kentaro Taki^a ; ^{taki@se.kanazawa-u.ac.jp} ; Yoshihito Watanabe^b ; Tadao Tanabe^c ; Hiroshi Ito^d ; Masahiro Ohshima^b
• 关键词：I ; Initiator radical ; I&minus ; OO ; Initiator peroxide radical ; I&minus ; Mn ; Macroradical ; I&minus ; Mn&minus ; OO ; Peroxide macroradical ; M ; Monomer ; PI ; Photoinitiator ; O2 ; Oxygen molecule ; Ap ; Parameter of the Goodner-Bowman model ; At ; Parameter of the Goodner-Bowman model ; Aν ; Absorbance measured at wavenumber ν ; DO ; Oxygen diffusion coefficient ; DO0 ; Oxygen diffusion coefficient in monomer ; f ; Free volume fraction ; fa ; Rational factor of Raman spectroscopy and FT&minus ; IR techniques ; fcp ; Critica
• 刊名：Chemical Engineering Science
• 出版年：2017
• 出版时间：2 February 2017
• 年：2017
• 卷：158
• 期：Complete
• 页码：569-579
• 全文大小：1506 K
• 卷排序：158

文摘

Layer-by-layer lamination and photopolymerization process was analyzed. Numerical calculation and experiments of C=C bond conversion agreed. Oxygen affects the thickness of unpolymerized layer and conversion distribution. The curve of conversion vs. depth shows plateaus.