Synthesis, Characterization, and Applications of Anticorrosion Polyurethane Coating: The Effect of Bisphenol F
Yeligbayeva G. Moldabayeva G.Z. Al Azzam K.M. Bekbayeva L. Negim E.-S. Shalash M. Usman A.
2024Faculty of Engineering, Universitas Indonesia
International Journal of Technology
2024#15Issue 51258 - 1270 pp.
Polyurethane coatings were synthesized through polyaddition polymerization using various polyols. These polyols included polypropylene glycol with different molecular weights, such as PPG-2000, and PPG-1200, as well as 1,4- butanediol. Additionally different contents of bisphenol F; namely 4.5, 11.5, and 24.2%, as well as methylene diphenyl diisocyanate at an NCO/OH ratio of 2.0. The prepolymer polyurethane films were analyzed to study their characteristics using techniques such as Fourier transform infrared spectroscopy, viscosity measurements, thixotropic index analysis, and mechanical property evaluations. The pot life and dry times of polyurethane coating containing 11.5% bisphenol F were 90 minutes and 10 hours (time to touch), respectively, with full hardening achieved at 28 hours. Furthermore, the coating exhibited excellent mechanical properties: tensile strength of 80 N/m2, elongation of 260%, adhesion strength of 10 MPa (cross-hatch), hardness of 95, and a contact angle of 118°. These properties, coupled with its strong adhesion (10 MPa) to metal surfaces, contributed to its outstanding chemical and corrosion resistance. The coatings obtained from the prepolymer polyurethane based on 11.5% bisphenol F exhibited the highest mechanical properties and water, chemical, and corrosion resistance followed by 4.5%, and 24.2%, respectively.
Bisphenol F , Coating , Corrosion , Polyurethane , Resistance
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School of Petroleum Engineering, Satbayev University, 22 Satpayev Street, Almaty, 050013, Kazakhstan
Department of Chemistry, Faculty of Science, The University of Jordan, Amman, 11942, Jordan
National Nanotechnology Open Laboratory, Al-Farabi Kazakh National University, 71 al-Farabi Ave., Almaty, 050040, Kazakhstan
School of Materials Science and Green Technologies, Kazakh-British Technical University, St. Tole Bi, 59, Almaty, 050000, Kazakhstan
Faculty of Pharmacy, Zarqa University, Zarqa, 13110, Jordan
Department of Chemistry, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE1410, Brunei Darussalam
School of Petroleum Engineering
Department of Chemistry
National Nanotechnology Open Laboratory
School of Materials Science and Green Technologies
Faculty of Pharmacy
Department of Chemistry
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