121st General Meeting of the KCS

Type Oral Presentation
Area Oral Presentation of Young Material Chemists
Room No. Samda Hall A
Time THU 10:28-:
Code MAT.O-9
Subject Rheological properties of different organo silane treated ceramic/photopolymer composites for stereolithography 3D printing
Authors Se Yeon Song, Ji Sun Yun*
Korea Institute of Ceramic Engineering and Technology, Korea
Abstract To prepare ceramic/photopolymer composite solution with various interfacial properties for SLA 3D printing application, the Al2O3 ceramic particles were coated with silane coupling agents (SCAs) having different organofunctional groups through a hydrolysis and condensation reaction. And then the SCA-coated Al2O3 ceramic particles were highly dispersed in commercial photopolymer (High temp) based on interpenetrating networks (IPNs) phenomena. As the silane coupling agents, organofunctional groups such as acryloxy group, methacryloxy group and acrylamide groups based on methoxy groups of the same inorganic functional group excellent in UV curing reaction were used. The average coating thickness and morphology of SCA-coated Al2O3 ceramic particles were observed by FE-TEM and particle size distribution was measured by particle size analyzer. Dispersion stability and rheological behavior of SCA-coated Al2O3 / High temp composite solutions were investigated by Turbiscan and viscoelastic analysis. The mechanical properties of the 3D-printed objects according to the rheological behavior was measured by nanoindenter.
E-mail 5005tpdus@kicet.re.kr