Oleophobic/Adhesive Janus Self-Standing Films Modified with Bifurcated Short Fluorocarbon Chains as Transparent Oil Stain-Free Coating with Attachability

Taichi Nakashima, Mizuki Tenjimbayashi, Takeshi Matsubayashi, Kengo Manabe, Masato Fujita, Takeshi Kamiya, Tsunetoshi Honda, Seimei Shiratori

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Oil stains negatively affect the performances of our belongings and industrial equipment. However, conventional oleophobic coatings contain complex nanostructures or long fluoroalkyl chains, which are environmentally unsafe and limit their applications. In addition, the integration of film transparency, flexibility, and oleophobicity represent extremely challenging tasks. Herein, we report self-standing oleophobic/adhesive Janus membranes with flexibility and transparency, which were composed of environmentally low impact materials: poly(vinyl alcohol) (PVA)/SiO2 nanoparticle composites modified with bifurcated short fluorocarbon chains via the sol-gel method. The optimized coating performed the oleophobicity (oleic acid sliding angle = 27.9°) and reduced more than 50% of oil adhesion on glass substrate. It also maintained its transparency (93.13% at wavelength of 550 nm) after the exposure to oil mist. Moreover, the coatings were able to attach to various substrates to provide them an oleophobicity. Our results demonstrate the important role to develop oleophobic coating materials with low environmental impact.

Original languageEnglish
Pages (from-to)3928-3936
Number of pages9
JournalIndustrial and Engineering Chemistry Research
Volume56
Issue number14
DOIs
Publication statusPublished - 2017 Apr 12

Fingerprint

Fluorocarbons
Adhesives
Oils
Coloring Agents
Transparency
Coatings
Oleic acid
Fog
Substrates
Oleic Acid
Sol-gel process
Environmental impact
Nanostructures
Alcohols
Adhesion
Nanoparticles
Membranes
Glass
Wavelength
Composite materials

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Oleophobic/Adhesive Janus Self-Standing Films Modified with Bifurcated Short Fluorocarbon Chains as Transparent Oil Stain-Free Coating with Attachability. / Nakashima, Taichi; Tenjimbayashi, Mizuki; Matsubayashi, Takeshi; Manabe, Kengo; Fujita, Masato; Kamiya, Takeshi; Honda, Tsunetoshi; Shiratori, Seimei.

In: Industrial and Engineering Chemistry Research, Vol. 56, No. 14, 12.04.2017, p. 3928-3936.

Research output: Contribution to journalArticle

Nakashima, Taichi ; Tenjimbayashi, Mizuki ; Matsubayashi, Takeshi ; Manabe, Kengo ; Fujita, Masato ; Kamiya, Takeshi ; Honda, Tsunetoshi ; Shiratori, Seimei. / Oleophobic/Adhesive Janus Self-Standing Films Modified with Bifurcated Short Fluorocarbon Chains as Transparent Oil Stain-Free Coating with Attachability. In: Industrial and Engineering Chemistry Research. 2017 ; Vol. 56, No. 14. pp. 3928-3936.
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