Fabrics coated with lubricated nanostructures display robust omniphobicity
Nanotechnology
|December 17, 2013
Summary
Researchers developed advanced stain-resistant fabrics using nanostructured lubricant-infused porous surfaces (SLIPS). These SLIPS fabrics offer superior durability and resistance to various liquids, outperforming traditional superhydrophobic treatments for practical textile applications.
Area of Science:
- Materials Science
- Textile Engineering
- Surface Chemistry
Background:
- Traditional superhydrophobic surfaces face limitations in stain resistance and durability.
- Existing technologies struggle with low-surface-tension liquids, pressure, and physical forces like abrasion.
Purpose of the Study:
- To develop and optimize nanostructured lubricant-infused fabrics for enhanced stain resistance and pressure stability.
- To address the shortcomings of conventional superhydrophobic textile treatments.
Main Methods:
- Rational design and optimization of nanostructured surfaces.
- Fabric functionalization using lubricant-infused porous surfaces (SLIPS) on cotton and polyester.
- Performance evaluation against various fluids and mechanical stresses.
Main Results:
- SLIPS-functionalized fabrics demonstrated decreased contact angle hysteresis and sliding angles.
- Achieved omni-repellent properties against polar and nonpolar liquids.
- Exhibited significant pressure tolerance and mechanical robustness compared to superhydrophobic coatings.
Conclusions:
- Nanostructured lubricant-infused fabrics offer a superior alternative to traditional superhydrophobic treatments.
- SLIPS technology provides a pathway to robust, stain-free textiles with enhanced durability.
- The developed fabrics show promise for diverse consumer and industrial applications.
