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International Journal of Engineering Technology and Construction, 2022, 3(1); doi: 10.38007/IJETC.2022.030105.

Anti-Salt Frost Erosion Performance of Photocatalytic Nano-Material Bi2WO6 in Architectural Coatings


Chadie Altrjmane

Corresponding Author:
Chadie Altrjmane

Near East University, Turkey


With the rapid development of the construction industry and real estate industry, related important chemical building materials products, architectural coatings, have also grown rapidly and become an important part of the coating industry. This research mainly discusses the salt-freeze-stripping resistance test of the photocatalytic nano-material bismuth tungstate in architectural coatings. Using sodium tungstate and bismuth nitrate as the tungsten source and bismuth source respectively, the two solutions are mixed to form a precursor solution, and the precursor is placed in a stainless steel reactor. After a certain hydrothermal time and temperature, bismuth tungstate nanoflowers are prepared. XRD, SEM, FT-IR, DRS and other characterization methods were used to analyze the morphology and structure of the product, and the positions of the band gap, conduction band and valence band of bismuth tungstate were determined by calculation. Photocatalytic degradation effect fuels such as MO and MB. The degree of internal damage during the ultrasonic transmission time is reflected by the relative change of the dynamic elastic modulus before and after freezing and thawing. The relative change value of the dynamic elastic modulus is determined by measuring the transmission time of the ultrasonic wave passing through the parallel axis 25mm from the surface of the test piece. UV-2450 spectrophotometer, the standard reagent is high-purity BaSO4. Characterize the light absorption characteristics according to the light absorption of the sample in the wavelength range of 200-800nm. Before the sample is pre-saturated,before freezing and thawing, the ultrasonic transmission time was measured after 14, 28, 42 and 56 freeze-thaw cycles. The measuring instrument used NM-4A-I non-metal ultrasonic detection analyzer. The penetration quality and penetration depth of the architectural coating deicing salt solution with a bismuth tungstate content of 30% is greater than that of the architectural coatings with a bismuth tungstate content of 16.7%. This research will promote the application of nanomaterials in architectural coatings.


Photocatalytic Nano-Material Bi2WO6, Architectural Coatings, Salt-Freeze Erosion Resistance, Freeze-Thaw, Dynamic Elastic Modulus

Cite This Paper

Chadie Altrjmane. Anti-Salt Frost Erosion Performance of Photocatalytic Nano-Material Bi2WO6 in Architectural Coatings. International Journal of Engineering Technology and Construction (2022), Vol. 3, Issue 1: 62-79. https://doi.org/10.38007/IJETC.2022.030105.


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