Journal
ADVANCED MATERIALS INTERFACES
Volume 9, Issue 13, Pages -Publisher
WILEY
DOI: 10.1002/admi.202102570
Keywords
anti-bacterial coating; anti-icing properties; Ionic-liquid-infused surface; phase separation
Funding
- National Natural Science Foundation of China [51909291]
- Guangzhou Scientific and Technological Planning Project [202002030181]
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This study proposes a facile method to fabricate polyurethane-based slippery ionic-liquid-infused coatings through a phase separation process. The coatings exhibit excellent anti-bacterial and anti-icing properties.
Slippery liquid-infused porous surfaces have received great attention in anti-adhesion applications, and ionic liquids are selected as the infiltrated liquid in recent research due to their non-volatility. Beyond the complicated steps, infiltrating the viscous ionic liquid within a porous structure is challenging during the conventional fabrication process. Herein, a facile method is proposed to fabricate polyurethane-based slippery ionic-liquid-infused coatings in one step through a phase separation process. The solid structure grows from the ionic liquid through a liquid-liquid phases separation process. The coatings perform excellent anti-bacterial and anti-icing properties owing to the biocide nature, lubricity, and low freezing point of ionic liquids.
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