2002
DOI: 10.1002/app.2320
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Adhesive and anticorrosive properties of poly(vinylidene fluoride) powders blended with phosphonated copolymers on galvanized steel plates

Abstract: Fluoropolymers with adhesive and anticorrosive properties were investigated by blending statistical phosphonated copolymers with poly(vinylidene fluoride) (PVDF). In a first part, methacrylic monomers bearing dialkyl phosphonate and phosphonic acid groups were synthesized. Dimethyl(2-methacryloyloxyethyl)phosphonate was obtained by carrying out a one-step methacrylation of a commercial phosphonated alcohol. Then, a chemical conversion of the dimethyl phosphonate group to phosphonic acid groups was accomplished… Show more

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Cited by 39 publications
(28 citation statements)
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“…Hydrolysis of Phosphonate Groups. The hydrolysis of phosphonated polymer was carried out according to a procedure published by Bressy-Brondino et al 34 In a 250 mL three-neck round-bottom flask equipped with a condenser, a magnetic stirrer, and a dropping funnel, and under nitrogen flow, 15 g of [(F:I) 0.07 -co-(F:P) 0.93 ] and 50 mL of anhydrous dichloromethane were introduced. Then, 2.2 equiv of bromotrimethylsilane BrSi(CH 3 ) 3 (8 mL) was added in a dropwise manner, and the mixture was stirred at 40°C for 6 h. After the reaction, solvent and volatile residues were evaporated (40°C/30 mbar).…”
Section: Methodsmentioning
confidence: 99%
“…Hydrolysis of Phosphonate Groups. The hydrolysis of phosphonated polymer was carried out according to a procedure published by Bressy-Brondino et al 34 In a 250 mL three-neck round-bottom flask equipped with a condenser, a magnetic stirrer, and a dropping funnel, and under nitrogen flow, 15 g of [(F:I) 0.07 -co-(F:P) 0.93 ] and 50 mL of anhydrous dichloromethane were introduced. Then, 2.2 equiv of bromotrimethylsilane BrSi(CH 3 ) 3 (8 mL) was added in a dropwise manner, and the mixture was stirred at 40°C for 6 h. After the reaction, solvent and volatile residues were evaporated (40°C/30 mbar).…”
Section: Methodsmentioning
confidence: 99%
“…Results of corrosion tests show that the phosphonic acid groups maintain some level of adhesion, thereby preventing the spread of corrosion. However, the number of acid groups and their neighbours influence the adhesive and anticorrosive properties of the PVDF coatings [50].…”
Section: Polymers As Corrosion Inhibitors Of Other Metalsmentioning
confidence: 99%
“…Alkanephosphonic acids are used to enhance adhesion properties of the surface of substrates as diverse as steel, [40] aluminum, [41][42][43][44][45] or titanium. [46][47][48] It may be that the phosphonic acids react with the metal surface native oxide layer [49] by hydrogen bonding [41,50,51] leading to a resonance-stabilized phosphonated complex (tridentate coordination) ( Figure 5), or by proton transfer (possibly reversible), [52] as proposed for carboxylic acids.…”
Section: Coating and Tests Of Terpolymersmentioning
confidence: 99%