The Effect of Zinc Oxide on DLP Hybrid Composite Manufacturability and Mechanical-Chemical Resistance
Janis Baronins,
Maksim Antonov,
Vitalijs Abramovskis,
Aija Rautmane,
Vjaceslavs Lapkovskis,
Ivans Bockovs,
Saurav Goel,
Vijay Kumar Thakur,
Andrei Shishkin
Affiliations
Janis Baronins
Laboratory of Ecological Solutions and Sustainable Development of Materials, Faculty of Materials Science and Applied Chemistry, Institute of General Chemical Engineering, Riga Technical University, Pulka 3, K-3, LV-1007 Riga, Latvia
Maksim Antonov
Department of Mechanical and Industrial Engineering, Tallinn University of Technology, Ehitajate Tee 5, 19086 Tallinn, Estonia
Vitalijs Abramovskis
Laboratory of Ecological Solutions and Sustainable Development of Materials, Faculty of Materials Science and Applied Chemistry, Institute of General Chemical Engineering, Riga Technical University, Pulka 3, K-3, LV-1007 Riga, Latvia
Aija Rautmane
Laboratory of Ecological Solutions and Sustainable Development of Materials, Faculty of Materials Science and Applied Chemistry, Institute of General Chemical Engineering, Riga Technical University, Pulka 3, K-3, LV-1007 Riga, Latvia
Vjaceslavs Lapkovskis
Laboratory of Ecological Solutions and Sustainable Development of Materials, Faculty of Materials Science and Applied Chemistry, Institute of General Chemical Engineering, Riga Technical University, Pulka 3, K-3, LV-1007 Riga, Latvia
Ivans Bockovs
Faculty of Materials Science and Applied Chemistry, Institute of Polymer Materials, Riga Technical University, 3/7 Paula Valdena Street, LV-1048 Riga, Latvia
Saurav Goel
School of Engineering, London South Bank University, London SE1 0AA, UK
Vijay Kumar Thakur
Biorefining and Advanced Materials Research Center, Scotland’s Rural College (SRUC), Kings Buildings, West Mains Road, Edinburgh EH9 3JG, UK
Andrei Shishkin
Laboratory of Ecological Solutions and Sustainable Development of Materials, Faculty of Materials Science and Applied Chemistry, Institute of General Chemical Engineering, Riga Technical University, Pulka 3, K-3, LV-1007 Riga, Latvia
The widespread use of epoxy resin (ER) in industry, owing to its excellent properties, aligns with the global shift toward greener resources and energy-efficient solutions, where utilizing metal oxides in 3D printed polymer parts can offer extended functionalities across various industries. ZnO concentrations in polyurethane acrylate composites impacted adhesion and thickness of DLP samples, with 1 wt.% achieving a thickness of 3.99 ± 0.16 mm, closest to the target thickness of 4 mm, while 0.5 wt.% ZnO samples exhibited the lowest deviation in average thickness (±0.03 mm). Tensile stress in digital light processed (DLP) composites with ZnO remained consistent, ranging from 23.29 MPa (1 wt.%) to 25.93 MPa (0.5 wt.%), with an increase in ZnO concentration causing a reduction in tensile stress to 24.04 MPa and a decrease in the elastic modulus to 2001 MPa at 2 wt.% ZnO. The produced DLP samples, with their good corrosion resistance in alkaline environments, are well-suited for applications as protective coatings on tank walls. Customized DLP techniques can enable their effective use as structural or functional elements, such as in Portland cement concrete walls, floors and ceilings for enhanced durability and performance.
