Preparation and performance evaluation of the plant antifreeze protein (PAFP) modified emulsified asphalt coating

Peng, Chao; Yang, Dongjin; You, Zhanping; Xu, Fang; Guan, Peiwen; Ruan, Di; Ning, Yunfei; Ye, Zhile

doi:10.1016/j.conbuildmat.2023.133619

Cited by 5 publications

(1 citation statement)

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“…In addition, the viscosity of emulsified asphalt was significantly improved by adding AFP. Rutting test showed that the AFP-modified emulsified asphalt coating had almost no abrasion after 500 times wheel rolling . Therefore, protein is expected to be used as a matrix material in the preparation of superhydrophobic coatings.…”

Section: Introductionmentioning

confidence: 99%

A Multilayer Photothermal Superhydrophobic Anti-Icing Coating Applied to Asphalt Pavement with Remarkable Wear Resistance

Peng,

Yang,

You

et al. 2024

ACS Appl. Mater. Interfaces

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Superhydrophobic surfaces exhibit considerable potential in road anti-icing applications due to their unique water-repellent properties. However, the nanorough structure of superhydrophobic coatings is highly susceptible to degradation under wheel rolling in practical applications. To maintain effective hydrophobicity under prolonged exposure to wheel rolling, a multilayer superhydrophobic anti-icing coating was developed. This coating utilizes antifreeze protein (AFP)-modified emulsified asphalt as the substrate with carbon nanotubes (CNTs) and silicon carbide (SiC) as surface coatings.Experimental results indicate that the inclusion of AFP enhances the viscosity of the emulsified asphalt, thereby stabilizing the nanorough structure of the coating. Even after 100 cycles of sandpaper grinding and 500 wheel rolls, the coating maintains robust hydrophobic properties. Moreover, when the coating is worn away by long-term high-strength loads, the exposed AFP-modified emulsified asphalt layer continues to exhibit effective anti-icing capabilities, significantly prolonging the complete freezing time of water droplets on its surface. Additionally, the incorporation of CNTs and SiC enhances the photothermal conversion performance, further improving the anti-icing efficiency of the coating under light irradiation. Overall, this coating shows promise for application in road anti-icing strategies.

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Section: Introductionmentioning

confidence: 99%