A highly reactive soybean oil-based superhydrophobic polyurethane film with long-lasting antifouling and abrasion resistance

Junming Huang ^1,2, Genzheng Sha ^2,3, Minghui Cui ^2,3

⁰Department of Materials Science and Engineering, Shenyang University of Chemical Technology Shenyang 110142 PR China luyao915@syuct.edu.cn.

Nanoscale Advances +

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September 23, 2024

View abstract on PubMed

Summary

This study developed a durable, bio-based superhydrophobic polyurethane coating with excellent antifouling properties. The green coating demonstrates sustained performance against various contaminants and environmental stresses.

Area Of Science

Materials Science
Polymer Chemistry
Surface Science

Background

Superhydrophobic polyurethanes provide excellent hydrophobicity and corrosion resistance.
Durability and environmental impact are key considerations for superhydrophobic materials.

Purpose Of The Study

To prepare a bio-based superhydrophobic polyurethane coating film.
To evaluate the durability and antifouling performance of the developed coating.

Main Methods

Utilized epoxidized soybean oil, modified silica nanoparticles, and OH-PDMS-OH.
Tested super-hydrophobicity and antifouling effects after various environmental exposures.
Assessed performance under different pH conditions, air exposure, and abrasion cycles.

Main Results

The coating exhibited sustained super-hydrophobicity and antifouling properties.
Demonstrated excellent performance against pu-erh tea and edible oils.
Maintained effectiveness after 14 days in varied pH solutions, 28 days of air exposure, and 2000 abrasion cycles.

Conclusions

The bio-based superhydrophobic polyurethane coating offers a green and durable solution.
Applicable for developing indoor and outdoor antifouling protective coatings.
Presents a novel method for creating environmentally friendly superhydrophobic antifouling films.