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Saharan Y, Singh J, Goyat R, Umar A, Akbar S, Ibrahim AA, Baskoutas S. Novel supramolecular organo-oil gelators for fast and effective oil trapping: Mechanism and applications. JOURNAL OF HAZARDOUS MATERIALS 2023; 442:129977. [PMID: 36193609 DOI: 10.1016/j.jhazmat.2022.129977] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 08/08/2022] [Accepted: 09/12/2022] [Indexed: 06/16/2023]
Abstract
In this paper, for the sorption of oil from oil polluted soil/water systems, nine new supramolecular organo-oil gelators were synthesized using three distinct diisocyanates and alcohols. The manufactured gelators were characterized using various techniques. The Fourier transform infrared (FTIR) and mass spectra confirmed the successful formation of the oil gelators. The synthesis of the proposed gelators was confirmed by the 1H NMR, which exhibited three singlets that were attributed to an aliphatic side chain containing 29 protons. The scanning electron microscopy (SEM) analysis exhibited porous, sheets, prisms, and fibrous structures for the supramolecular oil gelators. The oil uptake data analysis was subjected to the Langmuir and Freundlich isotherm models which showed the R2 value of 0.99 and a maximum adsorption capacity (qmax) of 45 mLg-1. From the mechanistic point of view, it was proposed that the organo-oil gel initially leads to self-assembly and further entanglements forming the fibers, which finally make a trap for the oil molecules. Among all the nine gelators and different combinations used, the combination of ditetradecyl (TDI 14: DMI14: HMI 14) gelators in the ratio of 1:2:1 exhibited maximum oil uptake of ∼58% initially which further boosted to ∼99% using gasoline as the co-congealed solvent. Interestingly, the complete gelation of the oil from the oil-water mixture was achieved within 30 min of application with high oil recovery. The presented study confirmed that the oil removal by organo-oil gelator is a simple, novel, and facile technique, which could be employed for treating oil-contaminated soil/water mixture.
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Affiliation(s)
- Yajvinder Saharan
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala 133203, Haryana, India
| | - Joginder Singh
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala 133203, Haryana, India.
| | - Rohit Goyat
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala 133203, Haryana, India
| | - Ahmad Umar
- Department of Chemistry, Faculty of Science and Arts, and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Kingdom of Saudi Arabia; Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA.
| | - Sheikh Akbar
- Department of Materials Science and Engineering, The Ohio State University, Columbus, OH 43210, USA
| | - Ahmed A Ibrahim
- Department of Chemistry, Faculty of Science and Arts, and Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran 11001, Kingdom of Saudi Arabia
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Damavandi F, Soares JBP. Facile and Efficient Phase-Selective Powder Polymer Organogelator for Oil Spill Remediation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:12666-12673. [PMID: 36194557 DOI: 10.1021/acs.langmuir.2c02129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Phase-selective organogelators that gel oils from oil/water mixtures are useful to remediate oil spills on water. We designed and synthesized polymer organogelators, poly(styrene-co-10-undecenoic acid) with five different 10-undecenoic acid contents that could be added as powders at room temperature to gel oils with different viscosities. The morphologies and mechanical strengths of the gels were investigated using field-emission electron microscopy and rheological measurements, respectively. The gels formed porous fibrillar structures and had high stiffness. Fourier transformm infrared (FTIR) spectroscopy studies of these gels showed that hydrogen bonding and van der Waals forces helped create three-dimensional networks. The straightforward synthesis procedure, room-temperature conditions, and easy powder delivery make poly(styrene-co-10-undecenoic acid) an attractive alternative to existing oil spill response methods.
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Affiliation(s)
- Fereshte Damavandi
- Department of Chemical and Material Engineering, University of Alberta, 9211 116 St., Edmonton, AlbertaT6G 1H9, Canada
| | - João B P Soares
- Department of Chemical and Material Engineering, University of Alberta, 9211 116 St., Edmonton, AlbertaT6G 1H9, Canada
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Nayak K, Sahoo S, De P. Chirality and solvent assisted gelation modulation with stearoyl appended macromolecules. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2022.111439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Surface Patterning of Self-healing P(MMA/nBA) Copolymer for Dynamic Control Cell Behaviors. CHINESE JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1007/s10118-020-2382-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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