Francis Dave C. Siacor, Qiyi Chen, Jia Yu Zhao, Lu Han, Arnaldo D. Valino, Evelyn B. Taboada, Eugene B. Caldona, Rigoberto C. Advincula
Additive manufacturing (AM) or more commonly known as 3D-printing has gained much ground in industrial manufacturing because of its breakthrough in rapid prototyping and processes. To date, the 3D-printing market has grown significantly and is poised for growth in line with digitization of manufacturing. The main objective of this review article focuses on the viscoelastic behavior (viscous solution) of 3D printing materials at ambient conditions, which are not essentially under melt-flow or higher temperatures. The initial section reviews the basic concepts on viscosity and viscoelastic phenomenon, with emphasis on the preferred conditions a viscous material should have prior to 3D-printing. Several examples of structures formed from viscoelastic materials through 3D-printing are also detailed, as well as the various curing techniques for different printed objects or models. While there is much interest on industrial applications, the last part surveys various food formulations used for 3D-printing. © 2021
Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, 44106, OH, United States; BioProcess Engineering and Research Center and Department of Chemical Engineering, University of San Carlos, Cebu, 6014, Philippines; Department of Mechanical Engineering, Adamson University, Ermita, 1500, Manila, Philippines; Department of Chemical and Biomolecular Engineering and Joint Institute for Advanced Materials, University of Tennessee, Knoxville, 37996, TN, United States; Center for Nanophase Materials and Sciences, Oak Ridge National Laboratory, Oak Ridge, 37830, TN, United States
