Acrylic coatings with surprising antifogging and frost-resisting properties

Zhao, Jie; Meyer, Anthony; Ma, Li; Ming, Weihua

doi:10.1039/c3cc46561f

Cited by 88 publications

(105 citation statements)

References 23 publications

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“…[1][2][3][4] Over the last few decades, an extensive research studies have been reported to prevent the formation of fog and frost on solid surfaces by different approaches including superhydrophobic coatings, 5-7 superhydrophilic coatings 8,9 and combinations of both hydrophilic and hydrophobic properties in the coating. [10][11][12][13][14][15] Hydrophilic surfaces that have a water contact angle of less than 5 o exhibit excellent anti-fog properties because they allow water droplets to spread uniformly to form a thin water film, which reduces light scattering. 9,16,17 In general, superhydrophilicity can be obtained by various chemical and physical methods.…”

Section: Introductionmentioning

confidence: 99%

Zwitterionic polymer brush coatings with excellent anti-fog and anti-frost properties

Ezzat

Huang

2016

RSC Adv.

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The formation of fog and frost on transparent surfaces can lead to many problems in our daily life. To address these problems, polymer brushes based on two zwitterionic analogues, poly(sulfobetaine methacrylate) (pSBMA) and poly(sulfobetaine vinylimidazole) (pSBVI), have been prepared by surface-initiated atom transfer radical polymerization (SI-ATRP). Hydrophilic and superhydrophilic pSBMA and pSBVI polymer brushes were prepared by controlling the thickness of the coatings to study the effect of wettability on the anti-fog and anti-frost properties. X-ray photoelectron spectroscopy (XPS), ellipsometry and atomic force microscopy (AFM) were respectively used to determine the interfacial elemental composition, the thickness and the morphology of the brushes. The wettability of the polymer brushes was measured using a water contact angle goniometer. Their anti-fog and anti-frost capabilities were determined visually and tested quantitatively by UV-vis spectroscopy. The results indicated that the optical transmittance of substrates modified with superhydrophilic polymer coatings under both hot and cold fogging conditions was very high. Additionally, no visible frost was formed on the superhydrophilic substrates after storage in a freezer at -20 o C for the duration of the experiment. These results convincingly demonstrated that the resistance of the modified substrates to fogging and frosting is strongly correlated to the surface wettability. Moreover, there is no considerable difference in the performance of pSBMA and pSBVI polymer brushes, but the former is preferred because SBMA monomer is commercially available and requires short polymerization time to obtain superhydrophilicity.

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Section: Introductionmentioning

confidence: 99%

Zwitterionic polymer brush coatings with excellent anti-fog and anti-frost properties

Ezzat

Huang

2016

RSC Adv.

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“…With this understanding, amphiphilic copolymers P(DMAEMA‐co‐MMA‐co‐VM) (PDMV) and P(DMAEMA‐co‐Styrene‐co‐VM) (PDSV) were synthesized by free radical solution polymerization (details in the Supporting Information). Compared to the previous work using P(MMA‐co‐DMAEMA), our amphiphilic copolymers had photo‐crosslinkable properties and avoided the use of chemical crosslinking agents in the preparation of antifogging coating. The self‐assembly copolymeric micelles forming in selective‐solvent dimethylformamide (DMF)/H 2 O were used as macromolecular emulsifiers and antifogging coatings.…”

Section: Introductionmentioning

confidence: 99%

Novel Macromolecular Emulsifiers as Coatings with Water‐Tolerant Antifogging Properties Based on Coumarin‐Containing Copolymeric Micelles

Wang

Yang

Zhang

et al. 2017

Macro Materials & Eng

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An efficient macromolecular emulsifier as water‐tolerant antifogging coating based on coumarin‐containing copolymeric micelles is reported. Compared to the previous work using poly(methyl methacrylate‐co‐2‐(dimethylamino)ethyl methacrylate), coumarin unit in copolymer‐based coating can be photo‐crosslinked under UV light to form an interchain network, successfully avoiding the use of chemical crosslinking agents.

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“…The inorganic subjects consist of TiO2 [9] , SiO2 [10] , In2O3-SnO2 [11] , Cu2O and CuO [12] . And the organic subjects include PNIPAAm/PLLA (poly(N-isopropylacrylamide)/ poly(L-lactide)) [13] , DMAEMA/MMA (2-(dimethylamino)-ethylmethacrylate/methyl methacrylate) [14] .…”

Section: Instructionmentioning

confidence: 99%

TEOS/Silane-Coupling Agent Composed Double Layers Structure: A Novel Super-hydrophilic Surface

Wang

Yang

2015

Energy Procedia

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In order to increase the anti-dust and self-cleaning property of photovoltaic cells, this paper proposes a simple way to synthesis a novel self-cleaning, super-hydrophilic coating material based on double layers structure. The first layer is made from TEOS for gaining the number of Si-OH bond on the surface of the glass, and then the second layer, which is a special silane-coupling agent, is attached on the TEOS layer firmly. Since the silane-coupling agent has a superhydrophilic chain, after the reaction, such kind of chain would go towards to the outside surface of the glass substrate and make the surface super-hydrophilic. InstructionGreenhouse gas emissions due to burning fossil fuels are the great challenge to human beings nowadays. For decreasing fossil energy consumption, renewable energy should be used. Solar energy application is an effective method. And an effective way to use the solar energy is to generate solar power from photovoltaic (PV) cells. [1] However, a lot of factors affect the energy efficiency of solar PV panels, such as the temperature, orientation, solar radiation intensity, front surface soiling [2][3][4][5] and so on. Among them, front surface soiling could influence the efficiency a lot if the PV cell is soiled badly. For example, the dust accumulation on the front surface is a major factor, which cause the huge decrease of the cell

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Acrylic coatings with surprising antifogging and frost-resisting properties

Cited by 88 publications

References 23 publications

Zwitterionic polymer brush coatings with excellent anti-fog and anti-frost properties

Zwitterionic polymer brush coatings with excellent anti-fog and anti-frost properties

Novel Macromolecular Emulsifiers as Coatings with Water‐Tolerant Antifogging Properties Based on Coumarin‐Containing Copolymeric Micelles

TEOS/Silane-Coupling Agent Composed Double Layers Structure: A Novel Super-hydrophilic Surface

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