Detail publikace

Verification of the influence of particle shape on the chemical resistance of epoxy coating and use of waste glass as the filler

HODNÁ, J. HODUL, J. DROCHYTKA, R. SEIDLOVÁ, M.

Originální název

Verification of the influence of particle shape on the chemical resistance of epoxy coating and use of waste glass as the filler

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

The use of suitable secondary raw materials as fillers in progressive, protective agents primarily intended for horizontal concrete construction is very effective not only from the ecological but also from the economic point of view. The impact of using various types of waste glass as fillers on the mechanical parameters of epoxy coatings was experimentally verified. Assessing the dependency of the coating’s chemical resistance on the shape of the used filler’s particles was the main aim of the performed research. A solvent-free epoxy suitable for a chemically aggressive environment was selected for the experiment. These were epoxy coatings filled with a micro filler based on raw materials such as glass flakes and silica flour. Three tested formulations containing fillers with different particle shapes and characteristics were exposed to H2SO4, HCl, CH2O2 and NaOH at concentrations of 5% and 30% and evaluated after 60, 90 and 120 days. The chemical resistance assessment was carried out not only visually but also using a scanning electron microscope (SEM). Thanks to the use of the waste glass as a coating filler, tensile properties and hardness improved, and its use did not negatively affect the chemical resistance and adhesion of the epoxy coatings. It was found that the shape of the filler particles influences the resistance of the coating against a chemically aggressive environment. The epoxy coating containing pre-treated waste windshield glass (shards) showed even better properties than the reference coating.

Klíčová slova

epoxy resin; coating; microstructure; chemical stress; glass flakes; silica flour; waste glass; particle shape

Autoři

HODNÁ, J.; HODUL, J.; DROCHYTKA, R.; SEIDLOVÁ, M.

Vydáno

24. 2. 2022

Nakladatel

MDPI

Místo

Basel, Switzerland

ISSN

2079-6412

Periodikum

Coatings, MDPI

Ročník

12

Číslo

3

Stát

Švýcarská konfederace

Strany od

1

Strany do

20

Strany počet

20

URL

https://www.mdpi.com/2079-6412/12/3/309

Plný text v Digitální knihovně

http://hdl.handle.net/11012/204063

BibTex

@article{BUT176884,
  author="Jana {Hodná} and Jakub {Hodul} and Rostislav {Drochytka} and Michaela {Seidlová}",
  title="Verification of the influence of particle shape on the chemical resistance of epoxy coating and use of waste glass as the filler",
  journal="Coatings, MDPI",
  year="2022",
  volume="12",
  number="3",
  pages="1--20",
  doi="10.3390/coatings12030309",
  issn="2079-6412",
  url="https://www.mdpi.com/2079-6412/12/3/309"
}