Robust self-cleaning surfaces that function when exposed to either air or oil
University College London · Dalian University of Technology · +1 more institution
Abstract
Superhydrophobic self-cleaning surfaces are based on the surface micro/nanomorphologies; however, such surfaces are mechanically weak and stop functioning when exposed to oil. We have created an ethanolic suspension of perfluorosilane-coated titanium dioxide nanoparticles that forms a paint that can be sprayed, dipped, or extruded onto both hard and soft materials to create a self-cleaning surface that functions even upon emersion in oil. Commercial adhesives were used to bond the paint to various substrates and promote robustness. These surfaces maintained their water repellency after finger-wipe, knife-scratch, and even 40 abrasion cycles with sandpaper. The formulations developed can be used on clothes,…
Citation impact
- FWCI
- 82.84
- Percentile
- 100%
- References
- 27
Authors
6Topics & keywords
- Rubbing
- Coating
- Materials science
- Scratching
- Suspension (topology)
- Composite material
- Titanium dioxide
- Nanotechnology