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Sayed MM, Aboraia AM, Kasem YA, Elewa NN, Ismail YAM, Aly KI. The enhanced photocatalytic performance of CPAA doping with different concentrations of Titanium oxide nanocomposite against MB dyes under simulated sunlight irradiations. Sci Rep 2024; 14:12768. [PMID: 38834565 PMCID: PMC11150388 DOI: 10.1038/s41598-024-61983-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Accepted: 05/13/2024] [Indexed: 06/06/2024] Open
Abstract
The pure conjugated polyarylene azomethine (CPAA) and its nanocomposites (CPAA-TiO2) with different concentrations of TiO2 nanoparticles were successfully prepared by in-situ technique and analyzed by different advanced techniques. XRD has confirmed the structural properties and crystallinity of (CPAA) and nanocomposites. The SEM clearly shows that the (CPAA) is uniform and homogeneous, with tightly connected aggregate layers in shape. However, the amount of TiO2 in the nanocomposites greatly affects their morphology, revealing structural differences and indicating a reaction between (CPAA) and TiO2, especially at a higher concentration of 5% TiO2. A new composite of (CPAA) was introduced and the photocatalytic effect for MB was studied. The removal efficiency of (pure-CPAA) over MB dye under simulated sunlight was 62%. However, (CPAA-TiO2 1%) destroyed 90% of MB dyes. It was discovered that the low band gap of (CPAA-TiO2 1% (2.84 eV)) accelerates high electron-hole recombination, increasing photocatalytic activity.
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Affiliation(s)
- Marwa M Sayed
- Chemistry Department, Faculty of Science, New Valley University, El-Kharja, 72511, Egypt.
| | - Abdelaziz M Aboraia
- Physics Department, Faculty of Science, Al-Azhar University, Assiut, 71542, Egypt.
- Energy Storage Research Laboratory (ESRL), Physics Department, Faculty of Science, Al-Azhar University, Assiut, 71542, Egypt.
| | - Yara A Kasem
- Polymer Research Laboratory, Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt
| | - Nancy N Elewa
- Physics Department, Faculty of Science, Ain Shams University, Cairo, 11566, Egypt
| | - Yasser A M Ismail
- Department of Physics, Faculty of Science, Islamic University of Madinah, Madinah, Saudi Arabia.
| | - Kamal I Aly
- Polymer Research Laboratory, Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
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Aly KI, Amer AA, Mahross MH, Belal MR, Soliman AM, Mohamed MG. Construction of novel polybenzoxazine coating precursor exhibiting excellent anti-corrosion performance through monomer design. Heliyon 2023; 9:e15976. [PMID: 37215883 PMCID: PMC10192533 DOI: 10.1016/j.heliyon.2023.e15976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 05/24/2023] Open
Abstract
In this study, we utilized salicylaldehyde (SA) and p-toluidine (Tol-NH2) to synthesize 2-(Z)[(4-methylphenyl)imino]methylphenol (SA-Tol-SF), which was then reduced to 2-[(4-methylphenyl)amino]methylphenol, producing SA-Tol-NH. SA-Tol-NH was further reacted with formaldehyde to create SA-Tol-BZ monomer. Poly(SA-Tol-BZ) was produced by thermally curing it at 210 °C, after synthesizing it from SA-Tol-BZ. The chemical structure of SA-Tol-BZ was analyzed using various analytical techniques such as FT-IR, 1H NMR spectroscopy, and 13C NMR spectroscopy TGA, SEM, DSC, and X-ray analyses. Afterward, we applied the obtained poly(SA-Tol-BZ) onto mild steel (MS) using thermal curing and spray coating techniques. To examine the anticorrosion attributes of MS coated with poly(SA-Tol-BZ), electrochemical characterization was employed. The study proved that poly(SA-Tol-BZ) coating had a high level of effectiveness in preventing corrosion on MS, with an efficacy of 96.52%, and also exhibited hydrophobic properties.
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Affiliation(s)
- Kamal I. Aly
- Polymer Research Laboratory, Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
| | - Amer A. Amer
- Department of Chemistry, Faculty of Science, Sohag University, Sohag 82524, Egypt
| | - Mahmoud H. Mahross
- Department of Chemistry, Faculty of Science, Al-Azhar University, Assiut 71524, Egypt
| | - Mostafa R. Belal
- Department of Chemistry, Faculty of Science, Sohag University, Sohag 82524, Egypt
| | - Ahmed M.M. Soliman
- Department of Chemistry, Faculty of Science, Sohag University, Sohag 82524, Egypt
| | - Mohamed Gamal Mohamed
- Polymer Research Laboratory, Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt
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Soliman AMM, Aly KI, Mohamed MG, Amer AA, Belal MR, Abdel-Hakim M. Synthesis, characterization and protective efficiency of novel polybenzoxazine precursor as an anticorrosive coating for mild steel. Sci Rep 2023; 13:5581. [PMID: 37019919 PMCID: PMC10076265 DOI: 10.1038/s41598-023-30364-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 02/21/2023] [Indexed: 04/07/2023] Open
Abstract
In this study, 2-[(E)-(hexylimino)methyl] phenol (SA-Hex-SF) was synthesized by adding salicylaldehyde (SA) and n-hexylamine (Hex-NH2), which was subsequently reduced by sodium borohydride to produce 2-[(hexylamino)methyl] phenol (SA-Hex-NH). Finally, the SA-Hex-NH reacted with formaldehyde to give a benzoxazine monomer (SA-Hex-BZ). Then, the monomer was thermally polymerized at 210 °C to produce the poly(SA-Hex-BZ). The chemical composition of SA-Hex-BZ was examined using FT-IR, 1H, and 13C NMR spectroscopy. Differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and X-ray Diffraction (XRD), respectively, were used to examine the thermal behavior, surface morphology, and crystallinity of the SA-Hex-BZ and its PBZ polymer. Mild steel (MS) was coated by poly(SA-Hex-BZ) which was quickly prepared using spray coating and thermal curing techniques (MS). Finally, the electrochemical tests were used to evaluate the poly(SA-Hex-BZ)-coating on MS as anti-corrosion capabilities. According to this study, the poly(SA-Hex-BZ) coating was hydrophobic, and corrosion efficiency reached 91.7%.
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Affiliation(s)
- Ahmed M M Soliman
- Department of Chemistry, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - Kamal I Aly
- Polymer Research Laboratory, Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
| | - Mohamed Gamal Mohamed
- Polymer Research Laboratory, Chemistry Department, Faculty of Science, Assiut University, Assiut, 71516, Egypt.
- Department of Materials and Optoelectronic Science, Center for Functional Polymers and Supramolecular Materials, National Sun Yat-Sen University, Kaohsiung, Taiwan.
| | - Amer A Amer
- Department of Chemistry, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - Mostafa R Belal
- Department of Chemistry, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - Mohamed Abdel-Hakim
- Chemistry Department, Faculty of Science, Al-Azhar University, Assiut, 71524, Egypt
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Sayed MM, Abd El-Hamid IS, M El-Bery H, Farrag M, Abdelhakiem AK, Aly KI. Synthesis, characterization and application of high adsorption performance of novel 1,4-polyketone. Sci Rep 2022; 12:16317. [PMID: 36175463 PMCID: PMC9523028 DOI: 10.1038/s41598-022-20686-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Accepted: 09/16/2022] [Indexed: 11/17/2022] Open
Abstract
This study aims to develop an alternating polyketone containing cationic groups in one and four alternating positions for increased functionality. A novel polyarylidene ketone was synthesized using simple condensation polymerization of terephthaldehyde and 2,5-hexane dione (PAK) The physicochemical properties of the resulting polymer were evaluated using Fourier-transform infrared spectroscopy, thermogravimetric analysis, X-ray diffraction, UV-Visible absorbance, fluorescence, and SEM investigations. The findings show that the polymer is amorphous, has good thermal stability, and emits red light. It can also be used as a dye adsorbent in aqueous solutions, with high selectivity for the cationic dye methylene blue (MB). The adsorbent efficiency of PAK was measured as a function of pH, dosage, and initial dye concentration; the greatest dye removal of 96 % was obtained at pH 10, 50 mg dosage, and initial dye concentration of 20 ppm. Kinetics and isotherms were studied, showing that the pseudo-second-order model described kinetic data better than Freundlich and Langmuir and revealed a satisfactory chemisorption process. This study suggests that PAK can purify MB dyeing wastewater, remove Zn2+, Cu2+, Ni2+, Co2+, Cd2+, Fe3+ metal ions well, and is selective for Fe3+ and Cu2+; ion adsorption is chelating-based.
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Affiliation(s)
- Marwa M Sayed
- Chemistry Department, Faculty of Science, The New Valley University, El-Kharja, 72511, Egypt.
| | - Islam S Abd El-Hamid
- Polymer Research Laboratory, Chemistry Department, Faculty of Science, Assiut University, Asyut, 71516, Egypt.,Assiut Cement Company (Cemex Egypt), 18th Assiut- Elwadi Road, Asyut, Egypt
| | - Haitham M El-Bery
- Advanced Multifunctional Materials Laboratory, Chemistry Department, Faculty of Science, Assiut University, Asyut, 71515, Egypt
| | - Mostafa Farrag
- Nanoclusters and Photocatalysis Laboratory, Chemistry Department, Faculty of Science, Assiut University, Asyut, 71515, Egypt
| | - Alaa K Abdelhakiem
- Department of Pharmacy Practice and Clinical Sciences, University of Texas at El Paso School of Pharmacy, El Paso, TX, USA
| | - Kamal I Aly
- Polymer Research Laboratory, Chemistry Department, Faculty of Science, Assiut University, Asyut, 71516, Egypt.
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