Fabrication of superhydrophobic coatings based on nanoparticles and fluoropolyurethane

S. A. Seyedmehdi, Hui Zhang, Jesse Zhu

Research output: Journal PublicationArticlepeer-review

25 Citations (Scopus)

Abstract

Hydrophobic nanosilica or nanofluoric particles were mixed with fluoropolyurethane resin to fabricate superhydrophobic coatings that have contact angles higher than 145°. These coatings were prepared from the simple mixing of nanoparticles in fluoropolymer and were cured at room temperature. Different fractions of nanosilica, nanofluoric particles, and the combination of them were used to find the best formulations of superhydrophobic coatings. Contact angle, contact angle hysteresis, sliding angle, hardness, and UV durability tests were conducted to find the effectiveness of these coatings. The results showed that only fluoropolyurethane coatings containing nanosilica or the combination of it and fluoric particles were superhydrophobic. Also, the hardness of coatings was increased by raising nanoparticle concentrations.

Original languageEnglish
Pages (from-to)4136-4140
Number of pages5
JournalJournal of Applied Polymer Science
Volume128
Issue number6
DOIs
Publication statusPublished - 15 Jun 2013
Externally publishedYes

Keywords

  • Coatings
  • Polyurethanes
  • Surfaces and interfaces

ASJC Scopus subject areas

  • Chemistry (all)
  • Surfaces, Coatings and Films
  • Polymers and Plastics
  • Materials Chemistry

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