An engineering-oriented approach to construct rough micro/nano-structures for anticorrosion and antifouling application

Dandan Li, Zaiwen Lin, Jiahui Zhu*, Jing Yu, Jingyuan Liu, Zhenze Liu*, Rongrong Chen, Qi Liu, Peili Liu, Jun Wang

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

Slippery liquid-infused porous surfaces (SLIPS) have attracted considerable attention because of their multiple beneficial applications. In this report, styrene-butadiene-styrene triblock copolymer (SBS) and SBS-SiO2 films with 3D interconnected net-like structures were constructed via a simple solution blow spinning method. The original films exhibited excellent hydrophobicity with a contact angle of 145°, after infiltration with the lubricant, the contact angle of SLIPS was reduced to 110°. The antifouling and anticorrosion performance of the hydrophobic surfaces and SLIPS were also studied. The hydrophobic surfaces showed inferior antifouling and anticorrosion performance because of the large pores in the films, significantly, the lubricant-infused surface demonstrated dramatically improved antifouling and anticorrosion performance. More interestingly, compared with a silicone oil-infused surface, the perfluoropolyether oil-infused surface displayed durable anticorrosion properties over increased immersion durations. The failure mechanism of lubricants was explored. The combined anticorrosion and antifouling capability of the constructed microstructure has excellent potential application in marine environments.

Original languageEnglish
Article number126590
JournalColloids and Surfaces A: Physicochemical and Engineering Aspects
Volume621
DOIs
Publication statusPublished - 20 Jul 2021
Externally publishedYes

Keywords

  • Antifouling and anticorrosion
  • Hydrophobic surface
  • Rough surface
  • SLIPS
  • Solution blow spinning
  • Styrene-butadiene-styrene triblock copolymer

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