Graphite intercalated polyaniline composite with superior anticorrosive and hydrophobic properties, as protective coating material on steel surfaces

Rathnayake, R. M. N. M.; Mantilaka, M.M.M.G.P.G.; Hara, Masanori; Huang, Hsin‐Hui; Wijayasinghe, H.W.M.A.C.; Yoshimura, Masamichi; Pitawala, H.M.T.G.A.

doi:10.1016/j.apsusc.2017.03.119

Cited by 27 publications

(7 citation statements)

References 40 publications

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“…The principle of water repellence of a superhydrophobic surface can be extended to practical applications, for example to develop coatings for car windows, buildings, tiles, and clothes [17][18][19][20][21][22][23][24][25]. Today, superhydrophobic materials have found spectacular advantages such as water repellence [26,27], oil recovery [28][29][30], self-cleaning [31,32], anti-corrosive [33,34], anti-blocking [35][36][37], mechanical strength [38,39], anti-icing [40,41], and so on. Various techniques have been established to fabricate superhydrophobic surfaces, such as plasma or laser etching [42,43], photolithography [14,44], and electrochemical deposition [45].…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Hydrophobic Coatings Using Sugarcane Bagasse Waste Ash as Silica Source

Natarajan¹,

Subramaniyam²,

Kumaravel

2019

Applied Sciences

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Eco-friendly hydrophobic coatings were fabricated on tiles via the drop-casting process. Sugarcane bagasse waste ash (SBA) was used as a silica source and dimethyldiethoxysilane (DMDEOS) was used as a surface functionalizing agent. The elemental composition of SBA was measured using X-ray fluorescence (XRF) and energy-dispersive spectroscopy (EDS) techniques. The surface morphology of SBA was analyzed through the field-emission scanning electron microscopy (FESEM) technique. The surface wettability of SBA coated tiles was evaluated by determining the static water contact angle (WCA). XRF studies showed that the impurities were removed, and the silica content was enriched by the acid treatment. SBA coated tiles showed good hydrophobicity with a WCA of 135°. The high hydrophobicity of the coated tiles may be attributed to the increase of surface roughness by SBA. Moreover, the SBA coating was successfully tested on various substrates such as tiles, brick, glass, and cotton cloth. SBA coated glass substrate was more durable compared to other substrates at normal room temperature.

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Section: Introductionmentioning

confidence: 99%

Fabrication of Hydrophobic Coatings Using Sugarcane Bagasse Waste Ash as Silica Source

Natarajan¹,

Subramaniyam²,

Kumaravel

2019

Applied Sciences

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“…In other words, considering the structures of the polymeric compounds, that contain ether groups and benzene rings [28] . According to litreture [29,30] , because of the hydrophilic ether groups and the hydrophobic benzene rings, the contact angle for the polymer B2 is decreasing to approximately 65°.…”

Section: 3contact Angle (Ca) Measurementmentioning

confidence: 99%

Investigation of Some Ion Selective and Water Repellent Properties of Carbazole Based Polymers

Aydinkocaeren¹

2021

European Journal of Science and Technology

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A polymer derived from poly-9-bis [4-(thiophen-3,4-yloxy)biphenyl)]-9H-carbazole containing a carbazole and thiophene group, abbreviated as B2, was synthesized via the oxidation method by using FeCl3 as an oxidant. Additionally, P(B2) was synthesized and coated onto an ITO-glass surface via electrochemical oxidative polymerization. UV spectra of these polymers and their metal complexes (like Fe 2+ , Cd 2+ , Hg 2+ , Pb 2+ ) were recorded in DMSO solutions, and then their UV spectra depending on the concentration were recorded. According to the results, when the concentration was rising, the absorbance peak intensity increased gradually for B2. Also, for P(B2), the absorbance peak followed a fluctuating course. The photo images of its some metal complexes were recorded under UV light. Resultantly, B2 polymer was determined to be selective against Fe 2+ ion and it can be said that B2 could be used as fluorescence Fe 2+ ion probe. Finally, contact angle (CA) measurements of B2 and P(B2) were realized and, according to the recorded photo images it can be said that B2 had more hydrophobic property than P(B2).

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“…Recently, superhydrophobic surfaces have received lots of attention due to their superior water-repelling effects for application in corrosion protect of metallic materials [1,2]. There were lots of works reporting the preparation of the anti-corrosive superhydrophobic surface, such as wet chemical reaction [3], etching [4], hydrothermal method [5], anodization [6], electrodeposition [7], sol–gel method [8], nanocomposite coating [9] and template method [10].…”

Section: Introductionmentioning

confidence: 99%

Superhydrophobic surface based on nano-engineering for enhancing the durability of anticorrosion

Zhou

et al. 2020

Surface Engineering

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Here, a new class superhydrophobic surface based on nano-engineering was proposed and prepared to improve the durability of corrosion protect. Moreover, the durability of anticorrosion was evaluated by the Tafel polarization curves and electrochemical impedance spectroscopy under various damages of mechanical abrasion, chemical immersion and cool/ thermal treatment. The superhydrophobic surface based on nano-engineering still showed excellent anticorrosion performance, such as low corrosion current (∼10 −10 A cm −2 ), large polarization resistance (>150.0 MΩ cm 2 ) and low corrosion rate (∼10 −6 mm/year). The good durability was attributed to the special nano-engineering with low surface roughness and surface energy. The work provides a new method to improve the durability of the superhydrophobic surfaces for application in anticorrosion technology.

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Graphite intercalated polyaniline composite with superior anticorrosive and hydrophobic properties, as protective coating material on steel surfaces

Cited by 27 publications

References 40 publications

Fabrication of Hydrophobic Coatings Using Sugarcane Bagasse Waste Ash as Silica Source

Fabrication of Hydrophobic Coatings Using Sugarcane Bagasse Waste Ash as Silica Source

Investigation of Some Ion Selective and Water Repellent Properties of Carbazole Based Polymers

Superhydrophobic surface based on nano-engineering for enhancing the durability of anticorrosion

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