Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Effect of Zinc Oxide on DLP Hybrid Composite Manufacturability and Mechanical-Chemical Resistance

Janis Baronins
* ,
Maksim Antonov
ORCID logo ,
Vitalijs Abramovskis
,
Aija Rautmane
ORCID logo ,
Vjaceslavs Lapkovskis
ORCID logo ,
Ivan Bochkov
,
Saurav Goel
,
Vijay Kumar Thakur
ORCID logo ,
Andrei Shishkin
Version 1 : Received: 7 November 2023 / Approved: 8 November 2023 / Online: 8 November 2023 (09:58:07 CET)

A peer-reviewed article of this Preprint also exists.

Baronins, J.; Antonov, M.; Abramovskis, V.; Rautmane, A.; Lapkovskis, V.; Bockovs, I.; Goel, S.; Thakur, V.K.; Shishkin, A. The Effect of Zinc Oxide on DLP Hybrid Composite Manufacturability and Mechanical-Chemical Resistance. Polymers 2023, 15, 4679. Baronins, J.; Antonov, M.; Abramovskis, V.; Rautmane, A.; Lapkovskis, V.; Bockovs, I.; Goel, S.; Thakur, V.K.; Shishkin, A. The Effect of Zinc Oxide on DLP Hybrid Composite Manufacturability and Mechanical-Chemical Resistance. Polymers 2023, 15, 4679.

Abstract

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 strength 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 strength 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.

Keywords

DLP; additive manufacturing; ZnO; photocured resin; tensile test; corrosion; acidic environment; alkaline environment.

Subject

Engineering, Industrial and Manufacturing Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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