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Kiełkiewicz D, Siewniak A, Gaida R, Greif M, Chrobok A. Ionic Liquid Catalysis in Cyclic Carbonate Synthesis for the Development of Soybean Oil-Based Non-Isocyanate Polyurethane Foams. Molecules 2024; 29:3908. [PMID: 39202987 PMCID: PMC11356965 DOI: 10.3390/molecules29163908] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2024] [Revised: 08/12/2024] [Accepted: 08/16/2024] [Indexed: 09/03/2024] Open
Abstract
A method for obtaining non-isocyanate polyurethane (NIPU) foams from cyclic carbonate (CC) based on soybean oil was developed. For this purpose, cyclic carbonate was synthesized from epoxidized soybean oil and CO2 using various ionic liquids (ILs) as catalysts. Among the tested ILs, the highest selectivity (100%) and CC yield (98%) were achieved for 1-ethyl-3-methylimidazolium ([emim]Br). Without any purification, the resulting cyclic carbonate was reacted directly with diethylenetriamine as a model crosslinking agent to produce NIPU foams. It was found that the soybean oil-based CC synthesized with bromide imidazolium ionic liquids exhibited significantly shorter gelling times (8 min 50 s for [emim]Br and 9 min 35 s for [bmim]Br) compared to those obtained with the conventional TBAB catalyst (26 min 15 s). A shorter gelling time is a crucial parameter for the crosslinking process in foams. The obtained foams were subjected to mechanical tests and a morphology analysis.
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Affiliation(s)
- Damian Kiełkiewicz
- Łukasiewicz Research Network—Institute of Heavy Organic Synthesis “Blachownia”, Energetyków 9, 47-225 Kędzierzyn-Koźle, Poland; (D.K.); (R.G.)
- Department of Chemical Organic Technology and Petrochemistry, PhD School, Silesian University of Technology, Akademicka 2A, 44-100 Gliwice, Poland
| | - Agnieszka Siewniak
- Department of Chemical Organic Technology and Petrochemistry, Faculty of Chemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland;
| | - Rafał Gaida
- Łukasiewicz Research Network—Institute of Heavy Organic Synthesis “Blachownia”, Energetyków 9, 47-225 Kędzierzyn-Koźle, Poland; (D.K.); (R.G.)
| | - Małgorzata Greif
- Łukasiewicz Research Network—Institute of Heavy Organic Synthesis “Blachownia”, Energetyków 9, 47-225 Kędzierzyn-Koźle, Poland; (D.K.); (R.G.)
| | - Anna Chrobok
- Department of Chemical Organic Technology and Petrochemistry, Faculty of Chemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland;
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Ding L, Xu N, Wu Y, Li P, Bai J, Hai W, Li R, Yang Y, Liu J, Gao CY. Exploring the Performance Improvement for CO 2 Chemical Fixation in Zn/ZnMg-MOFs. Inorg Chem 2024; 63:3317-3326. [PMID: 38329889 DOI: 10.1021/acs.inorgchem.3c03744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
A new 3D zinc-based metal-organic framework {[Zn7L2(DMF)3(H2O)(OH)2]·5DMF}n (1) (H6L = 5,5',5″-(methylsilanetriyl) triisophthalic acid) was constructed with an organosilicon-based linker, where H6L is a tetrahedral structure furnished with rich -COO- chelating sites for Zn(II) immobilization. Compound 1 exhibited two types of irregular one-dimensional channels and a three-dimensional skeleton with large specific surface area, making it a promising catalytic platform. Moreover, by incorporation of the second metal ion into the inorganic node of framework 1, isomorphic bimetallic MOF ZnMg-1 was successfully synthesized. ZnMg-1 demonstrated enhanced catalytic activity compared to 1 under identical conditions. Contrast experiments and theoretical calculations indicate that bimetallic active sites play a facilitating role in the chemical fixation of epoxides and CO2. It indicated that efficient chemical fixation of CO2 to cyclic carbonates was obtained over isomorphic MOF catalysts 1 and ZnMg-1.
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Affiliation(s)
- Lin Ding
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
| | - Ning Xu
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
| | - Yakun Wu
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
| | - Peihe Li
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
| | - Jincheng Bai
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
| | - Wenfeng Hai
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
| | - Ruiyan Li
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
| | - Yang Yang
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
| | - Jinghai Liu
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
- Key Laboratory of Mongolian Medicine Research and Development Engineering, Ministry of Education, Inner Mogolia Minzu University, Tongliao 028000, Inner Mongolia, People's Republic of China
| | - Chao-Ying Gao
- Inner Mongolia Key Lab of Carbon Nanomaterials, Nano Innovation Institute (NII), College of Chemistry and Materials Science, Inner Mongolia Minzu University (IMUN), Tongliao 028000, Inner Mongolia, People's Republic of China
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Dang K, Kumar N, Srivastava VC, Park J, Naushad M. Efficient Propylene Carbonate Synthesis from Urea and Propylene Glycol over Calcium Oxide-Magnesium Oxide Catalysts. MATERIALS (BASEL, SWITZERLAND) 2023; 16:735. [PMID: 36676471 PMCID: PMC9865221 DOI: 10.3390/ma16020735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/02/2023] [Accepted: 01/09/2023] [Indexed: 06/17/2023]
Abstract
A series of calcium oxide-magnesium oxide (CaO-MgO) catalysts were prepared under the effects of different precipitating agents and using varied Mg/Ca ratios. The physiochemical characteristics of the prepared catalysts were analyzed using XRD, FE-SEM, BET, FTIR, and TG/DTA techniques. Quantification of basic active sites present on the surface of the CaO-MgO catalysts was carried out using the Hammett indicator method. The as-prepared mixed oxide samples were tested for propylene carbonate (PC) synthesis through the alcoholysis of urea with propylene glycol (PG). The effects of the catalyst composition, catalyst dose, reaction temperature, and contact time on the PC yield and selectivity were investigated. The maximum PC yield of 96%, with high PC selectivity of 99% and a urea conversion rate of 96%, was attained at 160 °C using CaO-MgO catalysts prepared using a Mg/Ca ratio of 1 and Na2CO3 as a precipitating agent. The best-performing catalysts also exhibited good reusability without any significant loss in PC selectivity. It is expected that the present study will provide useful information on the suitability of different precipitating agents with respect to the catalytic properties of the oxides of Ca and Mg and their application in the synthesis of organic carbonates.
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Affiliation(s)
- Kavisha Dang
- Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Navneet Kumar
- Department of Electronics Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Vimal Chandra Srivastava
- Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Jinsub Park
- Department of Electronics Engineering, Hanyang University, Seoul 04763, Republic of Korea
| | - Mu. Naushad
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Zhang SR, Fu Y, Lu H, Cao GP. Hydrotalcite-calcined derivatives doped by zinc: A nucleophile-modified multifunctional catalyst for synthesis of propylene carbonate by cycloaddition. CATAL COMMUN 2023. [DOI: 10.1016/j.catcom.2023.106603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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Mandooie M, Rahimi M, Nikravesh G, Salehi E. A comprehensive review on zinc-based mixed metal oxide catalysts for dimethyl carbonate synthesis via urea alcoholysis process. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.10.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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