Effect of mineral fillers on the wetting of water-based polymer dispersions

To ensure reliable protection of porous plastered facades, water-based polymer dispersions must meet a set of properties for moisture absorption and vapour permeability. One of the most significant indicators in assessing moisture absorption is the hydrophobic properties of the coating, which charac...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2019-12, Vol.708 (1), p.12103
Main Authors: Saienko, N V, Demidov, D V, Bikov, R A, Younis, B N
Format: Article
Language:English
Subjects:
Absorption
Aluminosilicates
Aluminum silicates
Coatings
Contact angle
Dispersions
Facades
Fillers
Hydrophobicity
Moisture
Moisture absorption
Permeability
Polymers
Silicates
Wetting
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Summary:To ensure reliable protection of porous plastered facades, water-based polymer dispersions must meet a set of properties for moisture absorption and vapour permeability. One of the most significant indicators in assessing moisture absorption is the hydrophobic properties of the coating, which characterizes their water repellency. Therefore, the article studied the effect of the dispersed mineral fillers content based on silicates and aluminosilicates on the wetting of water-based polymer dispersions and determined the possibility of their use as decorative and protective materials for plastered building facades finishing. It was found that the studied samples of water-based polymer dispersions can be used as facade coatings with high vapour permeability and low moisture absorption, which is confirmed by studies of the contact angle. The optimum values along the contact angle verge towards the hydrophobic coatings.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/708/1/012103