Preparation of fluorinated/silanized polyacrylates amphiphilic polymers and their anticorrosion and antifouling performance

Zhu, Baojun; Liu, Zehan; Liu, Jiao; Yang, Yefeng; Meng, Yanbin; Fang, Yu; Li, Jiang; Wei, Guoying; Zhang, Zhao

doi:10.1016/j.porgcoat.2019.105510

Cited by 14 publications

(9 citation statements)

References 51 publications

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“…Condensation reaction of polyacrylate with polysiloxane leads to a hydrophobic, 6H pencil hardness and 5B cross-cut adhesion copolymer where the presence of acrylic chain ensures strong adhesion to substrate while the side-chain Si–O bonds from polysiloxane enable the copolymer to hydrolytically degrade so providing a self-polishing character with water contact angle equal to 98°. A series of fluorinated/silanized polyacrylates amphiphilic polymers were successfully synthesized by Zhu et al [ 59 ] and the effect of the loading of fluorinated groups content was investigated. With the increase of fluorinated groups content, water contact angle increased from 85° in the fluorine-free polymer to 116.3° in the fluorinated ones.…”

Section: Other Systemsmentioning

confidence: 99%

Mechanical Properties of Protective Coatings against Marine Fouling: A Review

2021

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The accumulation of marine organisms on ship hulls, such as microorganisms, barnacles, and seaweeds, represents a global problem for maritime industries, with both economic and environmental costs. The use of biocide-containing paints poses a serious threat to marine ecosystems, affecting both target and non-target organisms driving science and technology towards non-biocidal solutions based on physico-chemical and materials properties of coatings. The review reports recent development of hydrophobic protective coatings in terms of mechanical properties, correlated with the wet ability features. The attention is focused mainly on coatings based on siloxane and epoxy resin due to the wide application fields of such systems in the marine industry. Polyurethane and other systems have been considered as well. These coatings for anti-fouling applications needs to be both long-term mechanically stable, perfectly adherent with the metallic/composite substrate, and capable to detach/destroy the fouling organism. Prospects should focus on developing even “greener” antifouling coatings solutions. These coatings should also be readily addressable to industrial scale-up for large-scale product distribution, possibly at a reasonable cost.

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Section: Other Systemsmentioning

confidence: 99%

Mechanical Properties of Protective Coatings against Marine Fouling: A Review

2021

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“…Peres et al [13,14] studied the antifouling performance of two anti-fouling coatings formulated with papain and ferric tannate pigments, respectively, and studied the water uptake behavior of the coatings by the EIS method. Zhu et al [15] investigated the antifouling property of a series of fluorinated/silanized polyacrylate polymers which they prepared and evaluated the anti-corrosion performance of the coatings by using low frequency impedance in the EIS measurement. Kharchenko et al [16] investigated the anti-fouling and anti-corrosion properties of rosin-based coatings containing butanol extracts, and the EIS results showed that the incorporation of butanol extract in rosin-based coatings improved the barrier property of the coating by reducing its water uptake.…”

Section: Introductionmentioning

confidence: 99%

Degradation of Two Anti-Corrosion and Anti-Fouling Coating Systems in Simulated Diurnal Cycling Immersion

et al. 2023

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The degradation process and the electrochemical behavior of two anti-corrosion and anti-fouling coating systems (FW-1 and FW-2) in a simulated diurnal cycling immersion environment (3.5% NaCl, 35 °C 12 h + 25 °C 12 h) were investigated by electrochemical impedance spectroscopy (EIS) technology. Combined with the coating gloss, color difference, adhesion strength and scanning electron microscopy (SEM) tests, the micro morphologies and the variations of the performance parameters were comparatively analyzed. The results showed that in the 160 days of immersion, with the hydrolysis of the FW-1 topcoat resin and some pigments dissolved and released, the surface micro-morphology of the coating changes from rough to smooth, thereby increasing the gloss. While, for the FW-2 topcoat, the occurrence of micro pores and tiny cracks results in an increase in the roughness and a decrease in the gloss. The release of the copper ion particles in the antifouling topcoat has an influence on the color, manifesting as obvious rise in the color difference of the coating. The low-frequency impedance (|Z|0.01 Hz) values of both coating samples decreases slowly and provides very good shielding to the carbon steel substrate. The self-polishing of the topcoat has no big effect on the electrochemical performance of the whole anti-corrosion and anti-fouling coating system; the protective performance of the coating system mainly depends on the integrity of the primer and the intermediate paint.

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“…Chasse et al [24] applied EIS and SEM/EDS methods to study the influence of copper-containing coating systems on the localized corrosion of 5083 aluminum alloy in simulated ocean water, and concluded that cuprous oxide has very good biofouling resistance, but there is an increased likelihood of localized corrosion. Zhu et al [25] synthesized a series of fluorinated/silanized polyacrylate amphiphilic polymers and evaluated their antifouling performance and anticorrosion property by the EIS method.…”

Section: Introductionmentioning

confidence: 99%

Comparative Study on the Degradation of Two Self-Polishing Antifouling Coating Systems with Copper-Based Antifouling Agents

Zhang¹,

Cao²,

Sun

et al. 2022

Coatings

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The degradation processes of two self-polishing antifouling coatings containing copper-based agents (CuSCN and Cu2O) in 3.5% NaCl solution and the protection effect of the coating systems were studied by electrochemical impedance spectroscopy (EIS), Fourier transform infrared spectroscopy (FTIR) and scanning electron microscope (SEM/EDS) methods. The results demonstrate that after immersion for 1525 d at room temperature, the two coating systems still have very good protection property for the 5083 Al alloy substrate, manifesting by the high value of the low-frequency impedance. Alternate high and low temperature immersion test (45 °C 12 h + 25 °C 12 h) leads to serious damage to the antifouling topcoat, and the failure is mainly manifested by many micro-pores and micro-cracks. Because the CuSCN antifouling agent particle has bigger diameter and slightly bigger solubility than that of Cu2O agent, the micro-pores established after the agents dissolved and released during the hydrolysis process of the antifouling coating are relatively bigger, which results in more decrease in the impedance and a worse protective property of the coating system for the substrate.

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Preparation of fluorinated/silanized polyacrylates amphiphilic polymers and their anticorrosion and antifouling performance

Cited by 14 publications

References 51 publications

Mechanical Properties of Protective Coatings against Marine Fouling: A Review

Mechanical Properties of Protective Coatings against Marine Fouling: A Review

Degradation of Two Anti-Corrosion and Anti-Fouling Coating Systems in Simulated Diurnal Cycling Immersion

Comparative Study on the Degradation of Two Self-Polishing Antifouling Coating Systems with Copper-Based Antifouling Agents

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