Synthesis of Silane Functionalized Graphene Oxide and Its Application in Anti-Corrosion Waterborne Polyurethane Composite Coatings
Source abstract
Abstract
In this study, novel silane functionalized graphene oxide (PVSQ-GO) composite material is synthesized through the hydrolysis condensation reaction of vinyl triethoxysilane monomers occurred at the surface of graphene oxide. Results obtained from FTIR, Raman, X-ray photoelectronic spectroscopy (XPS), XRD and TGA measurements reveal that polyvinyl sesquisiloxane microspheres adhere to graphene oxide lamellae in the form of chemical bonds. Meanwhile, it is intuitive that abundant polyvinyl sesquisiloxane microspheres stick to the surface of graphene oxide and increase the thickness of the flake. Modified graphene oxide changes from hydrophilicity to hydrophobicity were owing to the existence of polyvinyl sesquisiloxane microspheres on the surface of graphene oxide (GO). PVSQ-GO composite exhibited good dispersion in eco-friendly waterborne polyurethane coating. Electrochemical impedance spectroscopy manifested that the anti-corrosion performance of waterborne polyurethane (WPU) coating embedded at 0.5 wt.% PVSQ-GO composite improved effectively. Tafel curves reveal that 0.5 wt.% PVSQ-GO/WPU coating specimen shows the lowest corrosion rate of 8.95 × 10−5 mm/year when compared with the other coating specimens. The good anti-corrosion abilities of PVSQ-GO composite coating can be interpreted as the good compatibility between PVSQ-GO composite and waterborne polyurethane, however, the intrinsic hydrophobicity of PVSQ-GO composite is beneficial to inhibit the permeation of corrosive medium and thus slows down the corrosion rate.
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Research context
OpenAlex topics: Conducting polymers and applications · Advanced Sensor and Energy Harvesting Materials · Corrosion Behavior and Inhibition
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400045, China
National Key Laboratory for Remanufacturing, Army Academy of Armored Forces, Beijing 100072, China
Funding
National Natural Science Foundation of China · China Postdoctoral Science Foundation Funded Projects
References (45)
Show source-provided references
1. Superior thermal conductivity of single-layer grapheme10.1021/nl0731872 ↗
2. Graphene-doped carbon xerogel combining high electrical conductivity and surface area for optimized aqueous supercapacitors10.1016/j.carbon.2017.03.059 ↗
3. Improved mechanical strength of porous chitosan scaffold by graphene coatings10.1016/j.matlet.2016.09.040 ↗
4. Acryloyl-group functionalized graphene for enhancing thermal and mechanical properties of acrylated epoxidized soybean oil UV-curable based coatings10.1016/j.porgcoat.2018.01.020 ↗
5. Mechanical properties of monolayer graphene oxide10.1021/nn101781v ↗
6. Room temperature cured hydrophobic epoxy/graphene composites as corrosion inhibitor for coldrolled steel10.1016/j.carbon.2013.08.052 ↗
7. Enhanced room-temperature corrosion of copper in the presence of grapheme10.1021/nn402150t ↗
8. A facile electrochemical approach for development of highly corrosion protective coatings using graphene nanosheets10.1016/j.elecom.2013.03.032 ↗
9. Transfer of large-area graphene films for high-performance transparent conductive electrodes10.1021/nl902623y ↗
10. Doping graphene with metal contacts10.1103/PhysRevLett.101.026803 ↗
11. Graphene grown on stainless steel as a high performance and ecofriendly anti-corrosion coating for polymer electrolyte membrane fuel cell bipolar plates10.1016/j.jpowsour.2015.02.055 ↗
12. Graphene: Corrosion-inhibiting coating10.1021/nn203507y ↗
13. Graphene as a long-term metal oxidation barrier: Worse than nothing10.1021/nn4014356 ↗
14. Inhibitor or promoter: Insights on the corrosion evolution in a graphene protected surface10.1016/j.carbon.2017.10.022 ↗
15. Graphene as a metal passivation layer: Corrosion-accelerator and inhibitor10.1016/j.carbon.2017.02.008 ↗
16. Novel anticorrosion coatings prepared from polyaniline/graphene composites10.1016/j.carbon.2012.06.043 ↗
17. Correction: Synergistic effects of hydrophobicity and gas barrier properties on the anticorrosion property of PMMA nanocomposite coatings embedded with graphene nanosheets10.1039/C4PY90078B ↗
18. Inhibiting the corrosion-promotion activity of graphene10.1021/cm5043099 ↗
19. Tuning the functionalization degree of graphene: Determining critical conditions for inhibiting the corrosion promotion activity of graphene/epoxy nanocomposite coatings10.1016/j.matlet.2019.01.009 ↗
20. Silane modification of titanium dioxide-decorated graphene oxide nanocomposite for enhancing anticorrosion performance of epoxy coatings on AA-202410.1016/j.jallcom.2018.01.267 ↗
21. Preparation, characterization, and properties of graphene oxide/urushiol-formaldehyde polymer composite coating10.1007/s11998-018-0084-1 ↗
22. Surface properties of submicrometer silica spheres modified with aminopropyltriethoxysilane and phenyltriethoxysilane10.1016/j.jcis.2006.08.055 ↗
23. Structural Analysis of Polyhedral Oligomeric Silsesquioxane Coated SiC Nanoparticles and Their Applications in Thermoset Polymers
24. Synthesis of multi-walled carbon nanotube/polyhedral oligomeric silsesquioxane nanohybrid by utilizing click chemistry10.1186/1556-276X-6-122 ↗
25. Functionalization of graphene oxide with polyhedral oligomeric silsesquioxane (POSS) for multifunctional applications10.1021/jz3005877 ↗
26. Interfacing superhydrophobic silica nanoparticle films with graphene and thermoplastic polyurethane for wear/abrasion resistance10.1016/j.jcis.2018.02.065 ↗
27. (2018). ASTM B117 Standard Practice for Operating Salt Spray (Fog) Apparatus, ASTM International.
28. Reduction and functionalization of graphene oxide sheets using biomimetic dopamine derivatives in one step10.1021/am201664n ↗
29. Iodide-mediated room temperature reduction of graphene oxide: A rapid chemical route for the synthesis of a bifunctional electrocatalyst10.1039/C3TA13688D ↗
30. Synthesis of graphene-based nanosheets via chemical reduction of exfoliated graphite oxide10.1016/j.carbon.2007.02.034 ↗
31. Enhancement of the corrosion protection performance and cathodic delamination resistance of epoxy coating through treatment of steel substrate by a novel nanometric sol-gel based silane composite film filled with functionalized graphene oxide nanosheets10.1016/j.corsci.2016.04.004 ↗
32. Covalent modification of graphene oxide by metronidazole for reinforced anti-corrosion properties of epoxy coatings10.1039/C5RA23595B ↗
33. Control of the functionality of graphene oxide for its application in epoxy nanocomposites10.1016/j.polymer.2013.09.054 ↗
34. Sol-gel preparation of mesoporous sodium aluminosilicate glasses: Mechanistic and structural investigation by solid state nuclear magnetic resonance10.1039/b900864k ↗
35. Mathematical model for the cathodic blistering of organic coatings on steel immersed in electrolytes
36. Effect of plastic deformation on the electrochemical and stress corrosion cracking behavior of X70 steel in near-neutral pH environment10.1016/j.msea.2016.09.033 ↗
37. Stress corrosion cracking behavior of ZK60 magnesium alloy under different conditions10.1016/j.ijhydene.2017.08.161 ↗
38. Interpretation of EIS data from accelerated exposure of coated metals based on modeling of coating physical properties10.1016/j.electacta.2005.12.047 ↗
39. Anticorrosion performance of three-dimensional hierarchical PANI@BN nanohybrids10.1021/acs.iecr.5b04887 ↗
40. Reinforcement of graphene and its derivatives on the anticorrosive properties of waterborne polyurethane coatings10.1016/j.compscitech.2016.04.017 ↗
41. Use of EIS for the evaluation of the protective properties of coatings for metallic cultural heritage: A review10.1007/s10008-009-0902-6 ↗
42. Electrochemical evaluation of corrosion inhibiting layers formed in a defect from lithium-leaching organic coatings10.1149/2.1411707jes ↗
43. Mechanism of passive layer formation on AA2024-T3 from alkaline lithium carbonate solutions in the presence of sodium chloride10.1149/2.1011802jes ↗
44. Advanced anticorrosive coatings prepared from electroactive epoxy-SiO2 hybrid nanocomposite materials10.1016/j.electacta.2011.04.053 ↗
45. Electrochemical investigations on anticorrosive and electrochromic properties of electroactive polyurea10.1039/c2py20061a ↗