Environmentally Friendly Tannic Acid Multilayer Coating for Reducing Corrosion of Carbon Steel

Koerner, Christy M.; Hopkinson, David; Ziomek-Moroz, Margaret; Rodríguez, Álvaro; Xiang, Fangming

doi:10.1021/acs.iecr.0c02925

Cited by 16 publications

(11 citation statements)

References 46 publications

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“…Tannic acid has been previously proposed for corrosion inhibition of ferrous metal objects in many environments. − However, the ferric–tannates complex does not adhere well to metallic substrates and can be easily removed, providing a poor barrier effect.…”

Section: Results and Discussionmentioning

confidence: 99%

Natural Deep Eutectic Solvents Based on Choline Chloride and Phenolic Compounds as Efficient Bioadhesives and Corrosion Protectors

Picchio

Minudri

Mantione³

et al. 2022

ACS Sustainable Chem. Eng.

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Natural deep eutectics solvents (NADES), owing to their high solvation capacity and nontoxicity, are actively being sought for many technological applications. Herein, we report a series of novel NADES based on choline chloride and plant-derived polyphenols. Most of the obtained phenolic NADES have a wide liquid range and high thermal stability above 150 °C. Among them, small-sized polyphenols, like pyrogallol, vanillyl alcohol, or gentisic acid, lead to low-viscosity liquids with ionic conductivities in the order of 10 –3 S cm –1 at room temperature. Interestingly, polyphenols possess valuable properties as therapeutic agents, antioxidants, adhesives, or redox-active compounds, among others. Thus, we evaluated the potential of these novel NADES for two applications: bioadhesives and corrosion protection. The mixture of choline chloride-vanillyl alcohol (2:3 mol ratio) and gelatin resulted in a highly adhesive viscoelastic liquid (adhesive stress ≈ 135 kPa), affording shear thinning behavior. Furthermore, choline chloride-tannic acid (20:1) showed an extraordinary ability to coordinate iron ions, reaching excellent corrosion inhibitive efficiencies in mild steel protection.

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Section: Results and Discussionmentioning

confidence: 99%

Natural Deep Eutectic Solvents Based on Choline Chloride and Phenolic Compounds as Efficient Bioadhesives and Corrosion Protectors

Picchio

Minudri

Mantione³

et al. 2022

ACS Sustainable Chem. Eng.

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show abstract

“…[ 15 ] Among the vast plethora of methods available to curb metal corrosion, coating protection is the simplest and most effective method. [ 16 ] Epoxy is often used as the base, film‐forming substance of insulation coating because of its suitable properties. However, on application, it does not achieve the required standards and suffers from poor performance due to its short anticorrosion lifespan.…”

Section: Introductionmentioning

confidence: 99%

Enhancement of barrier and corrosion protection performance of epoxy coatings through adding eco‐friendly lamellar biochar

Zhang

Wang

et al. 2022

Materials & Corrosion

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Biomass, as a green and renewable energy source, can be procured from a broad range of sources and is low in cost. The full exploitation of biomass could reduce the dependence on and consumption of fossil fuels, and is conducive to the protection of the environment. The prevention of corrosion of metals is an issue considered problematic in many fields, including in industrial production among others. Many anticorrosion materials are expensive and are noxious to the environment. This is an important issue that anticorrosion workers cannot ignore. This study proposes the use of biochar epoxy to boost the barrier properties of the coating, which is both economical and eco‐friendly. The incorporation of biochar can reduce the porosity of the coating and complicate the path of the corrosive media towards the steel substrate. Additionally, it can also reinforce the anticorrosion performance of the coatings. First, this article introduces the effect of biochars with different ultrasonic durations on the anticorrosion performance of anticorrosion coatings. After finding the biochar with the optimal ultrasonic duration, the effects of biochar on the anticorrosion performance of the coatings at different temperatures are assessed and the changes in its anticorrosion performance following soaking are discussed. The discussion concludes that applying biochar to anticorrosion coatings provides a feasible type of coating for anticorrosion work.

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“…Clay is one such component that has also been successfully LbL-assembled with polyelectrolytes to form advanced materials. Some of the most recent examples of the potential applications of the polymer-clay multilayers are as barrier thin films [ 2 , 3 ], anti-corrosion coatings [ 4 , 5 ], membranes with tailored nanochannels [ 6 ], phosphorescence thin films [ 7 ], waste treatment membranes [ 8 ], fire-retardant nanocomposites [ 9 ], super-strong chemically inert films [ 10 ], and in biomedical applications [ 11 , 12 ]. Clays are phyllosilicate minerals and are known for their exceptional mechanical and barrier properties.…”

Section: Introductionmentioning

confidence: 99%

Molecular Organization in Exponentially Growing Multilayer Thin Films Assembled with Polyelectrolytes and Clay

Das

Tsianou

2022

Polymers

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Multilayer thin film assembly by the layer-by-layer (LbL) technique offers an inexpensive and versatile route for the synthesis of functional nanomaterials. In the case of polymer-clay systems, however, the technique faces the challenges of low clay loading and lack of tunability of the film characteristics. This is addressed in the present work that achieves exponential growth in clay-containing polyelectrolyte films having high clay loading and tailored properties. Our approach involves the incorporation of a weak polyelectrolyte and a clay with relatively high charge density and small particle size. The system of investigation comprises poly(diallyldimethylammonium chloride) (PDDA) as the polycation and laponite clay and poly(acrylic acid) (PAA) or poly(sodium-4-styrene sulfonate) (PSS) as polyanions that are used alternately to create multilayers. Successful high clay loading and exponential growth were achieved by two different approaches of polyanion incorporation in the multilayers. A progressive increase in the degree of ionization of PAA was shown to contribute to the exponential growth. Our findings also include novel pathways to manipulate thickness, surface topography, and clay content. The strategy presented here can lead to novel approaches to fabricate tailor-made nanomaterials for distinct applications.

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Environmentally Friendly Tannic Acid Multilayer Coating for Reducing Corrosion of Carbon Steel

Cited by 16 publications

References 46 publications

Natural Deep Eutectic Solvents Based on Choline Chloride and Phenolic Compounds as Efficient Bioadhesives and Corrosion Protectors

Natural Deep Eutectic Solvents Based on Choline Chloride and Phenolic Compounds as Efficient Bioadhesives and Corrosion Protectors

Enhancement of barrier and corrosion protection performance of epoxy coatings through adding eco‐friendly lamellar biochar

Molecular Organization in Exponentially Growing Multilayer Thin Films Assembled with Polyelectrolytes and Clay

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