Modifying Geopolymer Wettability by Plasma Treatment and Fly Ash

Vojtěch Růžek; Petr Louda; Paweł Just; Karol Prałat; Justyna Ciemnicka; Przemysław Plaskota; Katarzyna Ewa Buczkowska

doi:10.20944/preprints202110.0439.v2

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preprints.org > materials science > polymers & plastics > doi: 10.20944/preprints202110.0439.v2

Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

Modifying Geopolymer Wettability by Plasma Treatment and Fly Ash

^* ,

Katarzyna Ewa Buczkowska

Version 1 : Received: 27 October 2021 / Approved: 28 October 2021 / Online: 28 October 2021 (13:09:36 CEST)
Version 2 : Received: 28 February 2022 / Approved: 1 March 2022 / Online: 1 March 2022 (12:42:26 CET)

How to cite: Růžek, V.; Louda, P.; Just, P.; Prałat, K.; Ciemnicka, J.; Plaskota, P.; Buczkowska, K.E. Modifying Geopolymer Wettability by Plasma Treatment and Fly Ash. Preprints 2021, 2021100439. https://doi.org/10.20944/preprints202110.0439.v2. Růžek, V.; Louda, P.; Just, P.; Prałat, K.; Ciemnicka, J.; Plaskota, P.; Buczkowska, K.E. Modifying Geopolymer Wettability by Plasma Treatment and Fly Ash. Preprints 2021, 2021100439. https://doi.org/10.20944/preprints202110.0439.v2.

Cite as:

Růžek, V.; Louda, P.; Just, P.; Prałat, K.; Ciemnicka, J.; Plaskota, P.; Buczkowska, K.E. Modifying Geopolymer Wettability by Plasma Treatment and Fly Ash. Preprints 2021, 2021100439. https://doi.org/10.20944/preprints202110.0439.v2. Růžek, V.; Louda, P.; Just, P.; Prałat, K.; Ciemnicka, J.; Plaskota, P.; Buczkowska, K.E. Modifying Geopolymer Wettability by Plasma Treatment and Fly Ash. Preprints 2021, 2021100439. https://doi.org/10.20944/preprints202110.0439.v2.

Abstract

This paper deals with investigation of changes in geopolymer wettability with increasing mass fraction of high-carbon fly ash and surface treatment by cold atmospheric plasma (CAP). In this study, multiple samples of geopolymers were prepared, including those with 5% and 10% of high-carbon fly ash from coal-fired power station. Wettability of samples was then measured before and after plasma treatment, both on surface and cut surface. While addition of fly ash only had low effect on the wettability, as in most cases, it only lowered the initial contact angle without speeding up the speed of soaking for compact geopolymer and actually slowed the soaking for foamed geopolymer, plasma treatment had significant impact and made the geopolymer hydrophobic.

Keywords

geopolymer; plasma; surface treatment; fly ash; wettability

Subject

MATERIALS SCIENCE, Polymers & Plastics

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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Comments (1)

Comment 1

Received: 1 March 2022
Commenter: Vojtěch Růžek
Commenter's Conflict of Interests: Author

Comment: Changes reflect the reviever comments from Polymers and change the journal to Gels, as this article is meant for their special edition about geopolymers.

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