Superhydrophobic Polytetrafluoroethylene/Heat-Shrinkable Polyvinyl Chloride Composite Film with Super Anti-Icing Property

Jiang, Zhiqing; Wang, Xueqin; Jia, Huiying; Zhou, Yanfen; Ma, Junwu; Liu, Xinyu; Jiang, Liang; Chen, Shaojuan

doi:10.3390/polym11050805

Cited by 14 publications

(5 citation statements)

References 45 publications

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“…Two methods have been utilized to cover the surfaces with PTFE: the deposition of PTFE-like layers using magnetron sputtering and surface fluorination via the plasma-assisted chemical vapor deposition of tetrafluoroethane (C 2 H 2 F 4 ) or plasma treatment in sulfur hexafluoride (SF 6 ) discharge. The results showed that the surfaces exhibited significant improvement in hydrophobicity [40,41] and antimicrobial properties [42].…”

Section: Introductionmentioning

confidence: 99%

Improving the Hydrophobicity of Plasticized Polyvinyl Chloride for Use in an Endotracheal Tube

Marcut,

Mohan,

Corneschi

et al. 2023

Materials

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An endotracheal tube (ETT) is a greatly appreciated medical device at the global level with widespread application in the treatment of respiratory diseases, such as bronchitis and asthma, and in general anesthesia, to provide narcotic gases. Since an important quantitative request for cuffed ETTs was recorded during the COVID-19 pandemic, concerns about infection have risen. The plasticized polyvinyl chloride (PVC) material used to manufacture ETTs favors the attachment of microorganisms from the human biological environment and the migration of plasticizer from the polymer that feeds the microorganisms and promotes the growth of biofilms. This leads to developing infections, which means additional suffering, discomfort for patients, and increased hospital costs. In this work, we propose to modify the surfaces of some samples taken from commercial ETTs in order to develop their hydrophobic character using surface fluorination by a plasma treatment in SF6 discharge and magnetron sputtering physical evaporation from the PTFE target. Samples with surfaces thus modified were subsequently tested using XPS, ATR-FTIR, CA, SEM + EDAX, profilometry, density, Shore A hardness, TGA-DSC, and biological antimicrobial and biocompatibility properties. The obtained results demonstrate a successful increase in the hydrophobic character of the plasticized PVC samples and biocompatibility properties.

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Section: Introductionmentioning

confidence: 99%

Improving the Hydrophobicity of Plasticized Polyvinyl Chloride for Use in an Endotracheal Tube

Marcut,

Mohan,

Corneschi

et al. 2023

Materials

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“…Superhydrophobic coatings have aroused diverse interest because of a wide range of applications in self-cleaning, − anticorrosion, , sensing, − flexible wearable devices, drag reduction, , oil–water separation, , anti-icing, , detection, and so on. However, the loss of the superhydrophobic property of the coatings after prolonged use in practical applications is still a serious problem.…”

Section: Introductionmentioning

confidence: 99%

UV–NIR Dual-Responsive Nanocomposite Coatings with Healable, Superhydrophobic, and Contaminant-Resistant Properties

Zhang

et al. 2020

ACS Appl. Mater. Interfaces

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Self-healing superhydrophobic coatings are attracting interest, but it still remains a great challenge to develop facile and fast self-healing strategies for superhydrophobic coatings. In this work, a novel environmentally friendly self-healing superhydrophobic coating based on an ultraviolet (UV)/near-infrared light (NIR) dual-responsive action was fabricated by blending UV-responsive microcapsules with NIR-responsive carbon nanoparticles (NPs), hydrophobic silica NPs, and waterborne silicone latex. The UV-responsive microcapsules were simply prepared through the electrostatic adsorption of negatively charged TiO2 NPs onto a positively charged microcapsule surface. The UV–NIR dual-responsive properties were mainly reflected in the healing of the superhydrophobic property for coatings through NIR or UV light irradiation. The self-healing process could be repeated many times, which can be attributed to the continued release of fluorine silane (FAS-13) loaded in the UV-responsive microcapsules to the coating surface. The combinations of NIR and UV responses endow the coating with the characteristics of fast healing and large-area healing when damaged by the external environment. In addition, the self-healing superhydrophobic coating film has excellent oil, corrosion, and wear resistance, satisfying the requirements for realistic outdoor applications.

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“…Water droplets on the superhydrophobic coating keep almost spherical, significantly reducing the contact area and adhesion force between the superhydrophobic surface and water droplets [ 1 , 2 ]. Therefore, superhydrophobic coatings are widely used in self-cleaning [ 3 , 4 ], oil-water separation [ 5 , 6 ], anti-icing [ 7 , 8 ], leakage current suppression [ 9 ], and other aspects.…”

Section: Introductionmentioning

confidence: 99%

Triboelectric Energy Harvesting of the Superhydrophobic Coating from Dropping Water

Niu

Tian

et al. 2020

Polymers

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In this paper, the superhydrophobic coating was prepared by spraying the composites of fluorocarbon emulsion and nanosized silica on the conductive glass sheet for the triboelectric energy harvesting from water droplets. The low surface energy of fluorine in the fluorocarbon emulsion and nanosilica renders the coating with the static contact angle and sliding angle of 156.2° and 6.74°, respectively. The conductive aluminum tape was attached on the surface of the superhydrophobic coating to complete the circuit constituted with the aluminum electrode, charged superhydrophobic coating, and the conductive glass sheet. During the contact electrification with the bouncing water droplet, the superhydrophobic coating with the aluminum electrode can obtain the electric energy with an open-circuit voltage of 20 V and short-circuit current of 4.5 μA, respectively. While the control device only produced an open-circuit voltage of 0.2 V. The generated power by one drop was enough to light up 16 commercial LEDs. Results demonstrate that the fluorocarbon/silica composite superhydrophobic coating is potentially a strong candidate for scavenging energy in sliding mode from raindrops.

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Superhydrophobic Polytetrafluoroethylene/Heat-Shrinkable Polyvinyl Chloride Composite Film with Super Anti-Icing Property

Cited by 14 publications

References 45 publications

Improving the Hydrophobicity of Plasticized Polyvinyl Chloride for Use in an Endotracheal Tube

Improving the Hydrophobicity of Plasticized Polyvinyl Chloride for Use in an Endotracheal Tube

UV–NIR Dual-Responsive Nanocomposite Coatings with Healable, Superhydrophobic, and Contaminant-Resistant Properties

Triboelectric Energy Harvesting of the Superhydrophobic Coating from Dropping Water

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