New Chemically Resistant Coating Systems with Progressive Incorporation of Hazardous Waste in Polyurethane and Epoxy Matrices

New types of highly chemically resistant coating systems, primarily intended for concrete and metal substrates, were designed and experimentally verified in the paper. Secondary raw materials in optimal amounts, including solidified hazardous waste (e.g., end product and cement bypass dust), were us...

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Main Authors: Jakub Hodul, Lenka Mészárosová, Rostislav Drochytka
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Materials
Subjects:
Online Access:https://www.mdpi.com/1996-1944/15/9/3235
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author Jakub Hodul
Lenka Mészárosová
Rostislav Drochytka
author_facet Jakub Hodul
Lenka Mészárosová
Rostislav Drochytka
author_sort Jakub Hodul
collection DOAJ
description New types of highly chemically resistant coating systems, primarily intended for concrete and metal substrates, were designed and experimentally verified in the paper. Secondary raw materials in optimal amounts, including solidified hazardous waste (e.g., end product and cement bypass dust), were used as microfillers. The polymer coating systems, containing pre-treated hazardous waste (HW), showed high abrasion resistance and excellent adhesion to metal and concrete surfaces. Based on polyurethane and epoxy resins, the coatings can be used in environments where aggressive chemical media act, such as sewers and the chemical industry. The developed polymeric coating systems showed even better properties than the compared reference coating systems. The chemical resistance of the three-layer coating systems was evaluated both visually and based on changes in mechanical properties, such as hardness and adhesion. The microstructure of the coating systems was also monitored using a digital optical microscope and a scanning electron microscope with energy dispersive X-ray analysis (SEM-EDX) after chemical stress. It was observed that the particles of HW were fully incorporated into the polymer matrix of the coating systems.
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spelling doaj.art-c9afc8b22ad14c98b28ff47290c07add2023-11-23T08:40:15ZengMDPI AGMaterials1996-19442022-04-01159323510.3390/ma15093235New Chemically Resistant Coating Systems with Progressive Incorporation of Hazardous Waste in Polyurethane and Epoxy MatricesJakub Hodul0Lenka Mészárosová1Rostislav Drochytka2Faculty of Civil Engineering, Institute of Technology of Building Materials and Components, Brno University of Technology, Veveri 95, 602 00 Brno, Czech RepublicFaculty of Civil Engineering, Institute of Technology of Building Materials and Components, Brno University of Technology, Veveri 95, 602 00 Brno, Czech RepublicFaculty of Civil Engineering, Institute of Technology of Building Materials and Components, Brno University of Technology, Veveri 95, 602 00 Brno, Czech RepublicNew types of highly chemically resistant coating systems, primarily intended for concrete and metal substrates, were designed and experimentally verified in the paper. Secondary raw materials in optimal amounts, including solidified hazardous waste (e.g., end product and cement bypass dust), were used as microfillers. The polymer coating systems, containing pre-treated hazardous waste (HW), showed high abrasion resistance and excellent adhesion to metal and concrete surfaces. Based on polyurethane and epoxy resins, the coatings can be used in environments where aggressive chemical media act, such as sewers and the chemical industry. The developed polymeric coating systems showed even better properties than the compared reference coating systems. The chemical resistance of the three-layer coating systems was evaluated both visually and based on changes in mechanical properties, such as hardness and adhesion. The microstructure of the coating systems was also monitored using a digital optical microscope and a scanning electron microscope with energy dispersive X-ray analysis (SEM-EDX) after chemical stress. It was observed that the particles of HW were fully incorporated into the polymer matrix of the coating systems.https://www.mdpi.com/1996-1944/15/9/3235epoxy resinpolyurethane resincoatinghazardous wastefillerchemical resistance
spellingShingle Jakub Hodul
Lenka Mészárosová
Rostislav Drochytka
New Chemically Resistant Coating Systems with Progressive Incorporation of Hazardous Waste in Polyurethane and Epoxy Matrices
Materials
epoxy resin
polyurethane resin
coating
hazardous waste
filler
chemical resistance
title New Chemically Resistant Coating Systems with Progressive Incorporation of Hazardous Waste in Polyurethane and Epoxy Matrices
title_full New Chemically Resistant Coating Systems with Progressive Incorporation of Hazardous Waste in Polyurethane and Epoxy Matrices
title_fullStr New Chemically Resistant Coating Systems with Progressive Incorporation of Hazardous Waste in Polyurethane and Epoxy Matrices
title_full_unstemmed New Chemically Resistant Coating Systems with Progressive Incorporation of Hazardous Waste in Polyurethane and Epoxy Matrices
title_short New Chemically Resistant Coating Systems with Progressive Incorporation of Hazardous Waste in Polyurethane and Epoxy Matrices
title_sort new chemically resistant coating systems with progressive incorporation of hazardous waste in polyurethane and epoxy matrices
topic epoxy resin
polyurethane resin
coating
hazardous waste
filler
chemical resistance
url https://www.mdpi.com/1996-1944/15/9/3235
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AT rostislavdrochytka newchemicallyresistantcoatingsystemswithprogressiveincorporationofhazardouswasteinpolyurethaneandepoxymatrices