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Niu J, Zhang Y, Li H, Hai X, Lu Q, Fu R, Ren T, Guo X, Di X. Switchable deep eutectic solvent as green and efficient media for liquid-phase microextraction of phenoxyacetic acid herbicides in water and food matrices. Food Chem 2024; 442:138433. [PMID: 38237292 DOI: 10.1016/j.foodchem.2024.138433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/31/2023] [Accepted: 01/11/2024] [Indexed: 02/15/2024]
Abstract
In this work, a switchable deep eutectic solvent (SDES) based on fatty acid and polyetheramine ion pair was prepared for liquid-phase microextraction (LPME) of phenoxyacetic acid herbicides in drinking water, beverage and honey matrices. The as-synthesized SDES equipped with an interesting characteristic of fast and reversible polarity switching, achieving homogeneous extraction and rapid bi-phase separation simultaneously. Several key parameters affecting the extraction performance were investigated comprehensively by Box-Behnken design. Under the optimal conditions, the method exhibited excellent linearity (15-4000 μg L-1), low detection limits (3-5 μg L-1), desirable precision (RSD < 8.1 %), and satisfactory recovery (72.6-98.7 %). More importantly, the introduction of SDES can simplify the pre-treatment procedure, shorten extraction time (4 min), and avoid the usage of traditional organic solvent during the whole extraction process. In addition, the switching mechanism of SDES was characterized by FT-IR and 1H NMR, and the forming mechanism of SDES was investigated using density-functional theory. The green of the method was estimated using the analytical ecological scale, the analytical green calculator, and the green analytical procedure index. The cytotoxicity of SDES was investigated and the result displayed that toxicity of the SDES was very low with the EC50 > 500 mg/L. Therefore, the proposed method was green and efficient and revealed considerable application prospects for the extraction of trace analytes from complex materials.
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Affiliation(s)
- Jiaxiao Niu
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Yanhui Zhang
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Hongbo Li
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaoqin Hai
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Qingxin Lu
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Ruiyu Fu
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Tingze Ren
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China
| | - Xiaoli Guo
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Ningxia Minority Medicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China.
| | - Xin Di
- Key Laboratory of Protection, Development and Utilization of Medicinal Resources in Liupanshan Area, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China; College of Pharmacy, Ningxia Medical University, Yinchuan 750004, China; Key Laboratory of Ningxia Minority Medicine Modernization, Ministry of Education, Ningxia Medical University, Yinchuan 750004, China.
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2
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Zhang Z, Peng B, Zhang Y, Xiong J, Li J, Liu J. Switchable Pickering Emulsions Stabilized via Synergistic Nanoparticles-Superamphiphiles Effects and Rapid Response to CO 2/N 2. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:1604-1612. [PMID: 38183283 DOI: 10.1021/acs.langmuir.3c02206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2024]
Abstract
A CO2/N2-responsive emulsion provides milder reaction conditions, nontoxicity, and economic feasibility compared to other switchable surfactants. In this study, CO2/N2-responsive pickering emulsions were fabricated by using a compounded dispersion containing SiO2 nanoparticles (NPs) and superamphiphiles as the emulsifying agents. The synergistic effects of the SiO2 NPs and superamphiphiles significantly stabilized the emulsion at all of the tested concentrations and prevented complete phase separation of oil and water. The electrostatic interaction between the SiO2 NPs and superamphiphiles was disrupted after bubbling with CO2 for 30 s, resulting in the breaking of the emulsion. However, the dispersion recovered its interfacial activity after the introduction of N2 and again emulsified the emulsion. This reversible switching behavior was validated through three consecutive cycles of bubbling CO2/N2. The protonation and deprotonation of the SiO2 NPs and superamphiphiles in response to CO2/N2 facilitated reversible assembly and disassembly, which enabled the switching of the emulsions between inactive and active forms. The novel highly stable Pickering emulsions demonstrated rapid demulsification and emulsification in response to CO2/N2 and are promising for a wide range of applications.
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Affiliation(s)
- Zhenghao Zhang
- Beijing Key Laboratory for Greenhouse Gas Storage and CO2-EOR, Unconventional Petroleum Research Institute, China University of Petroleum-Beijing, Beijing 102249, China
| | - Bo Peng
- Beijing Key Laboratory for Greenhouse Gas Storage and CO2-EOR, Unconventional Petroleum Research Institute, China University of Petroleum-Beijing, Beijing 102249, China
| | - Yupeng Zhang
- Beijing Key Laboratory for Greenhouse Gas Storage and CO2-EOR, Unconventional Petroleum Research Institute, China University of Petroleum-Beijing, Beijing 102249, China
| | - Jiaxin Xiong
- Beijing Key Laboratory for Greenhouse Gas Storage and CO2-EOR, Unconventional Petroleum Research Institute, China University of Petroleum-Beijing, Beijing 102249, China
| | - Jingwei Li
- Beijing Key Laboratory for Greenhouse Gas Storage and CO2-EOR, Unconventional Petroleum Research Institute, China University of Petroleum-Beijing, Beijing 102249, China
| | - Jianwei Liu
- Beijing Key Laboratory for Greenhouse Gas Storage and CO2-EOR, Unconventional Petroleum Research Institute, China University of Petroleum-Beijing, Beijing 102249, China
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Almeida M, Dudzinski D, Rousseau B, Amiel C, Prévost S, Cousin F, Le Coeur C. Aqueous Binary Mixtures of Stearic Acid and Its Hydroxylated Counterpart 12-Hydroxystearic Acid: Fine Tuning of the Lamellar/Micelle Threshold Temperature Transition and of the Micelle Shape. Molecules 2023; 28:6317. [PMID: 37687150 PMCID: PMC10489131 DOI: 10.3390/molecules28176317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 08/17/2023] [Accepted: 08/18/2023] [Indexed: 09/10/2023] Open
Abstract
This study examines the structures of soft surfactant-based biomaterials which can be tuned by temperature. More precisely, investigated here is the behavior of stearic acid (SA) and 12-hydroxystearic acid (12-HSA) aqueous mixtures as a function of temperature and the 12-HSA/SA molar ratio (R). Whatever R is, the system exhibits a morphological transition at a given threshold temperature, from multilamellar self-assemblies at low temperature to small micelles at high temperature, as shown by a combination of transmittance measurements, Wide Angle X-ray diffraction (WAXS), small angle neutron scattering (SANS), and differential scanning calorimetry (DSC) experiments. The precise determination of the threshold temperature, which ranges between 20 °C and 50 °C depending on R, allows for the construction of the whole phase diagram of the system as a function of R. At high temperature, the micelles that are formed are oblate for pure SA solutions (R = 0) and prolate for pure 12-HSA solutions (R = 1). In the case of mixtures, there is a progressive continuous transition from oblate to prolate shapes when increasing R, with micelles that are almost purely spherical for R = 0.33.
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Affiliation(s)
- Maëva Almeida
- CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Université Paris Est Creteil, 94320 Thiais, France; (M.A.); (B.R.); (C.A.)
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France;
| | - Daniel Dudzinski
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France;
| | - Bastien Rousseau
- CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Université Paris Est Creteil, 94320 Thiais, France; (M.A.); (B.R.); (C.A.)
| | - Catherine Amiel
- CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Université Paris Est Creteil, 94320 Thiais, France; (M.A.); (B.R.); (C.A.)
| | - Sylvain Prévost
- Institut Laue-Langevin, 71 Avenue des Martyrs, CS 20156, CEDEX 9, 38042 Grenoble, France;
| | - Fabrice Cousin
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France;
| | - Clémence Le Coeur
- CNRS, ICMPE, UMR 7182, 2 Rue Henri Dunant, Université Paris Est Creteil, 94320 Thiais, France; (M.A.); (B.R.); (C.A.)
- Laboratoire Léon Brillouin, Université Paris-Saclay, CEA-CNRS UMR 12 CEA Saclay, 91191 Gif sur Yvette, France;
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Dowlati S, Mokhtari R, Hohl L, Miller R, Kraume M. Advances in CO 2-switchable surfactants towards the fabrication and application of responsive colloids. Adv Colloid Interface Sci 2023; 315:102907. [PMID: 37086624 DOI: 10.1016/j.cis.2023.102907] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/13/2023] [Accepted: 04/13/2023] [Indexed: 04/24/2023]
Abstract
CO2-switchable surfactants have selective surface-activity, which can be activated or deactivated either by adding or removing CO2 from the solution. This feature enables us to use them in the fabrication of responsive colloids, a group of dispersed systems that can be controlled by changing the environmental conditions. In chemical processes, including extraction, reaction, or heterogeneous catalysis, colloids are required in some specific steps of the processes, in which maximum contact area between immiscible phases or reactants is desired. Afterward, the colloids must be broken for the postprocessing of products, solvents, and agents, which can be facilitated by using CO2-switchable surfactants in surfactant-stabilized colloids. These surfactants are mainly cationic and can be activated by the protonation of a nitrogen-containing group upon sparging CO2 gas. Also, CO2-switchable superamphiphiles can be formed by non-covalent bonding between components at least one of which is CO2-switchable. So far, CO2-switchable surfactants have been used in CO2-switchable spherical and wormlike micelles, vesicles, emulsions, foams, and Pickering emulsions. Here, we review the fabrication procedure, chemical structure, switching scheme, stability, environmental conditions, and design philosophy of such responsive colloids. Their fields of application are wide, including emulsion polymerization, catalysis, soil washing, drug delivery, extraction, viscosity control, and oil transportation. We also emphasize their application for the CO2-assisted enhanced oil recovery (EOR) process as a promising approach for carbon capture, utilization, and storage to combat climate change.
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Affiliation(s)
- Saeid Dowlati
- Chair of Chemical and Process Engineering, Technical University of Berlin, Ackerstraße 76, D-13355 Berlin, Germany.
| | - Rasoul Mokhtari
- Danish Offshore Technology Centre, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Lena Hohl
- Chair of Chemical and Process Engineering, Technical University of Berlin, Ackerstraße 76, D-13355 Berlin, Germany
| | - Reinhard Miller
- Institute for Condensed Matter Physics, Technical University of Darmstadt, Hochschulstraße 8, D-64289 Darmstadt, Germany
| | - Matthias Kraume
- Chair of Chemical and Process Engineering, Technical University of Berlin, Ackerstraße 76, D-13355 Berlin, Germany
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5
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Mu M, Shu Q, Xu Z, Zhang X, Liu H, Zhao S, Zhang Y. pH-responsive, salt-resistant, and highly stable foam based on a silicone-containing dynamic imine surfactant. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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6
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Zhou B, Kang W, Yang H, Li Z, Gao Z, Zheng Z, Jia R, He Y, Liu D, Jia H, Lekomtsev A, Dengaev A. Alkyl chain length influence of hydrotrope on the pH responsiveness of surfactant aggregates based on dynamic imine bond. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.119465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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7
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Liu L, Zhang M, Lu Z, Jin Z, Lu Y, Sun D, Xu Z. Molecular structure-tuned stability and switchability of CO 2-responsive oil-in-water emulsions. J Colloid Interface Sci 2022; 627:661-670. [PMID: 35872422 DOI: 10.1016/j.jcis.2022.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 06/28/2022] [Accepted: 07/01/2022] [Indexed: 11/18/2022]
Abstract
HYPOTHESIS Pseudo-Gemini surfactants (PGS) possessing switchable and recyclable features have drawn increasing attention on generating high-performance CO2-responsive emulsions for wide range and versatile applications. However, there is a lack of fundamental understanding on how the molecular structure of PGS affects the stability and switchability of emulsions. We hypothesize that the length and type of the spacer in PGS play a decisive role in controlling interfacial and switching properties. EXPERIMENTS Two series of PGS with different spacers were prepared through electrostatic association between amines and oleic acid. The interfacial activity and CO2-responsive properties of corresponding emulsions were systematically investigated by well-designed experiments and molecular dynamics simulations. FINDINGS Increasing the spacer length to allow the bent configuration leads to more tight arrangement of oleic molecules, consequently improving the interfacial activity. In addition, the introduction of amino group into the spacer dramatically promotes CO2 response of resulting PGS due to ehanced migration of the spacer from the interface to the aqueous phase after CO2 addition. These results are inspiring in designing controllable CO2-responsive emulsions for a wide range of industrial applications (e.g., enhanced oil recovery and oil-contaminated soil remediation).
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Affiliation(s)
- Lingfei Liu
- Department of Materials Science and Engineering, Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials, Southern University of Science and Technology, Shenzhen 518055, China
| | - Mingshan Zhang
- School of Mining and Petroleum Engineering, Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Zhouguang Lu
- Department of Materials Science and Engineering, Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials, Southern University of Science and Technology, Shenzhen 518055, China
| | - Zhehui Jin
- School of Mining and Petroleum Engineering, Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Yi Lu
- Bioproducts Institute, Department of Chemical and Biological Engineering, Department of Chemistry and Department of Wood Science, University of British Columbia, Vancouver, BC V6T 1Z3, Canada.
| | - Dejun Sun
- Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan, Shandong 250100, China
| | - Zhenghe Xu
- Department of Materials Science and Engineering, Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials, Southern University of Science and Technology, Shenzhen 518055, China.
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8
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Fameau A, Marangoni AG. Back to the future: Fatty acids, the green genie to design smart soft materials. J AM OIL CHEM SOC 2022. [DOI: 10.1002/aocs.12615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Anne‐Laure Fameau
- Université Lille, CNRS, Centrale Lille, UMET INRAe Villeneuve d'Ascq France
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9
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Poole H, Jessop PG, Stubenrauch C. Foaming and defoaming properties of
CO
2
‐switchable surfactants. J SURFACTANTS DETERG 2022. [DOI: 10.1002/jsde.12597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Hailey Poole
- Institut für Physikalische Chemie Universität Stuttgart Stuttgart Germany
- Department of Chemistry Queen's University Kingston Ontario Canada
| | - Philip G. Jessop
- Department of Chemistry Queen's University Kingston Ontario Canada
| | - Cosima Stubenrauch
- Institut für Physikalische Chemie Universität Stuttgart Stuttgart Germany
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10
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Reifarth M, Bekir M, Bapolisi AM, Titov E, Nußhardt F, Nowaczyk J, Grigoriev D, Sharma A, Saalfrank P, Santer S, Hartlieb M, Böker A. A Dual pH‐ and Light‐Responsive Spiropyran‐Based Surfactant: Investigations on Its Switching Behavior and Remote Control over Emulsion Stability. Angew Chem Int Ed Engl 2022; 61:e202114687. [PMID: 35178847 PMCID: PMC9400902 DOI: 10.1002/anie.202114687] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Indexed: 11/10/2022]
Abstract
A cationic surfactant containing a spiropyran unit is prepared exhibiting a dual‐responsive adjustability of its surface‐active characteristics. The switching mechanism of the system relies on the reversible conversion of the non‐ionic spiropyran (SP) to a zwitterionic merocyanine (MC) and can be controlled by adjusting the pH value and via light, resulting in a pH‐dependent photoactivity: While the compound possesses a pronounced difference in surface activity between both forms under acidic conditions, this behavior is suppressed at a neutral pH level. The underlying switching processes are investigated in detail, and a thermodynamic explanation based on a combination of theoretical and experimental results is provided. This complex stimuli‐responsive behavior enables remote‐control of colloidal systems. To demonstrate its applicability, the surfactant is utilized for the pH‐dependent manipulation of oil‐in‐water emulsions.
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Affiliation(s)
- Martin Reifarth
- University of Potsdam Institute of Chemistry Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
- Fraunhofer Institute for Applied Polymer Research (IAP) Geiselbergstraße 69 14476 Potsdam Germany
| | - Marek Bekir
- University of Potsdam Institute of Physics and Astronomy Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
| | - Alain M. Bapolisi
- University of Potsdam Institute of Chemistry Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
| | - Evgenii Titov
- University of Potsdam Institute of Chemistry Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
| | - Fabian Nußhardt
- Fraunhofer Institute for Applied Polymer Research (IAP) Geiselbergstraße 69 14476 Potsdam Germany
| | - Julius Nowaczyk
- University of Potsdam Institute of Chemistry Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
- Fraunhofer Institute for Applied Polymer Research (IAP) Geiselbergstraße 69 14476 Potsdam Germany
| | - Dmitry Grigoriev
- Fraunhofer Institute for Applied Polymer Research (IAP) Geiselbergstraße 69 14476 Potsdam Germany
| | - Anjali Sharma
- University of Potsdam Institute of Physics and Astronomy Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
| | - Peter Saalfrank
- University of Potsdam Institute of Chemistry Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
| | - Svetlana Santer
- University of Potsdam Institute of Physics and Astronomy Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
| | - Matthias Hartlieb
- University of Potsdam Institute of Chemistry Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
- Fraunhofer Institute for Applied Polymer Research (IAP) Geiselbergstraße 69 14476 Potsdam Germany
| | - Alexander Böker
- University of Potsdam Institute of Chemistry Karl-Liebknecht-Straße 24–25 14476 Potsdam Germany
- Fraunhofer Institute for Applied Polymer Research (IAP) Geiselbergstraße 69 14476 Potsdam Germany
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11
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Guo K, Wei P, Xie Y, Huang X. Smart ultra-stable foams stabilized using cellulose nanocrystal (CNC) gels via noncovalent bonding. Chem Commun (Camb) 2022; 58:4723-4726. [PMID: 35302560 DOI: 10.1039/d2cc00289b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Smart ultra-stable foams stabilized by cellulose nanocrystal (CNC)-based gels were fabricated. The stabilization is ascribed to the dense films and three-dimensional networks at the interface and in the bulk induced by the charge shielding effect and electrostatic attraction between protonated bis(2-hydroxyethyl)oleylamine (BOA-H+) micelles and negatively charged CNC colloids. The as-prepared foam could maintain its morphology without breaking or drainage for two months, showing high stability. Outstanding CO2/N2 reversibility endows the system with on-demand control of foaming/defoaming, which is necessary in many aspects. The functionalized foam is expected to open up an opportunity for the design of intelligent oilfield chemicals and extinguishant systems.
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Affiliation(s)
- Kaidi Guo
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China.
| | - Peng Wei
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China.
| | - Yahong Xie
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China.
| | - Xueli Huang
- MOE Key Laboratory of Oil and Gas Fine Chemicals, College of Chemical Engineering and Technology, Xinjiang University, Urumqi 830046, China.
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12
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Organic pollutant collection and electrochemical CO2 reduction promoted by pH-Responsive surfactants. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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13
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Pickering foams and parameters influencing their characteristics. Adv Colloid Interface Sci 2022; 301:102606. [PMID: 35182930 DOI: 10.1016/j.cis.2022.102606] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 01/20/2022] [Accepted: 01/26/2022] [Indexed: 11/21/2022]
Abstract
Pickering foams are available in many applications and have been continually gaining interest in the last two decades. Pickering foams are multifaceted, and their characteristics are highly dependent on many factors, such as particle size, charge, hydrophobicity and concentration as well as the charge and concentration of surfactants and salts available in the system. A literature review of these individual studies at first might seem confusing and somewhat contradictory, particularly in multi-component systems with particles and surfactants with different charges in the presence of salts. This paper provides a comprehensive overview of particle-stabilized foams, also known as Pickering foams and froths. Underlying mechanisms of foam stabilization by particles with different morphology, surface chemistry, size and type are reviewed and clarified. This paper also outlines the role of salts and different factors such as pH, temperature and gas type on Pickering foams. Further, we highlight recent developments in Pickering foams in different applications such as food, mining, oil and gas, and wastewater treatment industries, where Pickering foams are abundant. We conclude this overview by presenting important research avenues based on the gaps identified here. The focus of this review is limited to Pickering foams of surfactants with added salts and does not include studies on polymers, proteins, or other macromolecules.
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14
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Reifarth M, Bekir M, Bapolisi AM, Titov E, Nußhardt F, Nowaczyk J, Grigoriev D, Sharma A, Saalfrank P, Santer S, Hartlieb M, Böker A. A Dual pH and Light‐Responsive Spiropyrane‐Based Surfactant: Investigations on its Switching Behavior and Remote Control over Emulsion Stability. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Martin Reifarth
- University of Potsdam: Universitat Potsdam Institut für Chemie GERMANY
| | - Marek Bekir
- University of Potsdam: Universitat Potsdam Institut für Chemie GERMANY
| | - Alain M. Bapolisi
- University of Potsdam: Universitat Potsdam Institut für Chemie GERMANY
| | - Evgenii Titov
- University of Potsdam: Universitat Potsdam Institut für Chemie GERMANY
| | - Fabian Nußhardt
- Fraunhofer Institute for Applied Polymer Research: Fraunhofer-Institut fur Angewandte Polymerforschung IAP Life Sciences and Bioprocesses GERMANY
| | - Julius Nowaczyk
- University of Potsdam: Universitat Potsdam Institut für Chemie GERMANY
| | - Dmitry Grigoriev
- Fraunhofer Institute for Applied Polymer Research: Fraunhofer-Institut fur Angewandte Polymerforschung IAP Life Sciences and Bioprocesses GERMANY
| | - Anjali Sharma
- University of Potsdam: Universitat Potsdam Institut für Physik GERMANY
| | - Peter Saalfrank
- University of Potsdam: Universitat Potsdam Institut für Chemie GERMANY
| | - Svetlana Santer
- University of Potsdam: Universitat Potsdam Institut für Physik GERMANY
| | - Matthias Hartlieb
- University of Potsdam: Universitat Potsdam Institut für Chemie GERMANY
| | - Alexander Böker
- Universität Potsdam: Universitat Potsdam Lehrstuhl für Polymermaterialien und Polymertechnologienlächen Geiselbergstrasse 69 D-14476 Potsdam GERMANY
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15
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Alvarenga B, Gonçalves C, Pérez-Gramatges A. Stabilization of CO2-foams in brine by reducing drainage and coarsening using alkyldimethylamine oxides as surfactants. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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The key to surfactant-free microemulsion demulsification: CO2 promotes the transfer of amphiphilic solvent to aqueous phase. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.117000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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17
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Improved foam stability through the combination of silica nanoparticle and thixotropic polymer: An experimental study. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.117153] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Liao YF, Zhou MH, Zhang Y, Peng YY, Jian JX, Lu F, Tong QX. Facile synthesis and marked pH-responsive behavior of novel foaming agents based on amide- and ester-linked morpholine fluorosurfactants. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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19
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Lu Y, Zhu Y, Yang F, Xu Z, Liu Q. Advanced Switchable Molecules and Materials for Oil Recovery and Oily Waste Cleanup. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2004082. [PMID: 34047073 PMCID: PMC8336505 DOI: 10.1002/advs.202004082] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 01/19/2021] [Indexed: 05/07/2023]
Abstract
Advanced switchable molecules and materials have shown great potential in numerous applications. These novel materials can express different states of physicochemical properties as controlled by a designated stimulus, such that the processing condition can always be maintained in an optimized manner for improved efficiency and sustainability throughout the whole process. Herein, the recent advances in switchable molecules/materials in oil recovery and oily waste cleanup are reviewed. Oil recovery and oily waste cleanup are of critical importance to the industry and environment. Switchable materials can be designed with various types of switchable properties, including i) switchable interfacial activity, ii) switchable viscosity, iii) switchable solvent, and iv) switchable wettability. The materials can then be deployed into the most suitable applications according to the process requirements. An in-depth discussion about the fundamental basis of the design considerations is provided for each type of switchable material, followed by details about their performances and challenges in the applications. Finally, an outlook for the development of next-generation switchable molecules/materials is discussed.
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Affiliation(s)
- Yi Lu
- Department of Chemical and Materials EngineeringUniversity of AlbertaEdmontonAlbertaT6G 1H9Canada
| | - Yeling Zhu
- Department of Chemical and Materials EngineeringUniversity of AlbertaEdmontonAlbertaT6G 1H9Canada
| | - Fan Yang
- College of New Materials and New EnergiesShenzhen Technology UniversityShenzhen518118P. R. China
| | - Zhenghe Xu
- Department of Chemical and Materials EngineeringUniversity of AlbertaEdmontonAlbertaT6G 1H9Canada
- Department of Materials Science and EngineeringSouthern University of Science and TechnologyShenzhen518055P. R. China
| | - Qingxia Liu
- Department of Chemical and Materials EngineeringUniversity of AlbertaEdmontonAlbertaT6G 1H9Canada
- College of New Materials and New EnergiesShenzhen Technology UniversityShenzhen518118P. R. China
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20
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Su L, Sun J, Ding F, Gao X, Zheng L. Molecular insight into photoresponsive surfactant regulated reversible emulsification and demulsification processes. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116218] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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21
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Huang H, Huang X, Quan H, Su X. Soybean-Oil-Based CO 2-Switchable Surfactants with Multiple Heads. Molecules 2021; 26:4342. [PMID: 34299617 PMCID: PMC8305017 DOI: 10.3390/molecules26144342] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/11/2021] [Accepted: 07/12/2021] [Indexed: 11/16/2022] Open
Abstract
Oligomeric surfactants display the novel properties of low surface activity, low critical micellar concentration and enhanced viscosity, but no CO2 switchable oligomeric surfactants have been developed so far. The introduction of CO2 can convert tertiary amine reversibly to quaternary ammonium salt, which causes switchable surface activity. In this study, epoxidized soybean oil was selected as a raw material to synthesize a CO2-responsive oligomeric surfactant. After addition and removal of CO2, the conductivity analyzing proves that the oligomeric surfactant had a good response to CO2 stimulation. The viscosity of the oligomeric surfactant solution increased obviously after sparging CO2, but returned to its initial low viscosity in the absence of CO2. This work is expected to open a new window for the study of bio-based CO2-stimulated oligomeric surfactants.
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Affiliation(s)
- Huiyu Huang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, China; (H.H.); (X.H.)
| | - Xiaoling Huang
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, China; (H.H.); (X.H.)
| | - Hongping Quan
- Oil & Gas Field Applied Chemistry Key Laboratory of Sichuan Province, School of Chemistry and Chemical Engineering, Southwest Petroleum University, Xindu 610500, China;
| | - Xin Su
- State Key Laboratory of Polymer Materials Engineering, Polymer Research Institute, Sichuan University, Chengdu 610065, China; (H.H.); (X.H.)
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22
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Li R, Lu Y, Zhang Z, Manica R. Role of Surfactants Based on Fatty Acids in the Wetting Behavior of Solid-Oil-Aqueous Solution Systems. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:5682-5690. [PMID: 33915048 DOI: 10.1021/acs.langmuir.1c00586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Surfactants based on fatty acids have attracted extensive attention thanks to their eco-friendly and pH-responsive features. Here, we studied two fatty acid-based surfactants that were paired with the same organic counterion but distinguished by their aliphatic chain lengths (monoethanolamine-oleic acid (MEA-OA) and monoethanolamine-lauric acid (MEA-LA)). Both surfactants exhibited the ability to lower the oil-water interfacial tension but lost their interfacial activity in a low-pH environment. We experimentally investigated their influence on the receding and spreading of oil droplets on solid surfaces. It was found that the interfacial tension reduction could decrease the static contact angle of the aqueous phase and hindered displacement dynamics during the oil droplet receding. Meanwhile, the interfacial activity was more likely to suppress the initiation of the oil droplet spreading due to the more stable thin-film forming prior to the spreading process. Nevertheless, the experimental results also exhibited that MEA-OA was more effective than MEA-LA in suppressing the receding dynamics and the spreading initiation even when they were characterized by similar interfacial tension values. Such an interesting observation could be attributed to the more considerable Marangoni flow in the solution of MEA-OA whose molecules have longer aliphatic chains. The insight from this study is expected to improve the knowledge on the molecular design for more efficient applications of fatty acid-based surfactants.
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Affiliation(s)
- Rui Li
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Yi Lu
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Zhiqing Zhang
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
| | - Rogerio Manica
- Department of Chemical and Materials Engineering, University of Alberta, Edmonton, Alberta T6G 1H9, Canada
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23
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Xie Y, Xu Y, Xu J. pH-responsive pickering foam created from self-aggregate polymer using dynamic covalent bond. J Colloid Interface Sci 2021; 597:383-392. [PMID: 33894546 DOI: 10.1016/j.jcis.2021.04.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Revised: 03/16/2021] [Accepted: 04/02/2021] [Indexed: 12/01/2022]
Abstract
HYPOTHESIS Responsive surfactant systems based on dynamic covalent bond exhibit an unsatisfactory foamability and foam stability, despite their documented functionality in emulsions. As such we anticipate that the foaming performance should be improved by introducing Pickering effect, which is possible when the responsiveness of the dynamic covenant bonds controls not only the hydrophobicity of polymers but also their aggregation behavior (to form nanoparticles). EXPERIMENTS Here we created surface active nanoparticles made from self-aggregated polymers consisting of PAH (polyallylamine hydrochloride)-BA (benzaldehyde). The covalent imine bonds between originally hydrophilic PAH and hydrophobic BA are dynamic in that their formation and breakage is a function of solution pH, confirmed by 1H NMR and dynamic interfacial tension measurement. FINDINGS At pH 7.4, a stable foam is achieved in the PAH-BA (amino to aldehyde ratio at 1:0.2) solution; while at pH 2.5, it defoams due to breakage of dynamic bonds corresponding to the measured diminishing surface activity. The reversibility of foaming-defoaming has been demonstrated by alternatively changing pH for multiple cycles, with the foaming performance persistent. The foam stability can be improved by more hydrophobic compounds e.g. at a lower amino to aldehyde ratio or using PAH-cinnamaldehyde (CA). The reversible and responsive foaming demonstrated in a Pickering system provides a new method to create novel foaming systems with properties desirable to many applications.
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Affiliation(s)
- Yiqian Xie
- Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan, Shandong 250100, PR China.
| | - Yuan Xu
- School of Chemical Engineering, The University of Queensland, Brisbane, QLD 4072, Australia.
| | - Jian Xu
- Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education, Jinan, Shandong 250100, PR China.
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24
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Hao H, Hou J, Zhao F, Huang H, Liu H. N 2-foam-assisted CO 2 huff-n-puff process for enhanced oil recovery in a heterogeneous edge-water reservoir: experiments and pilot tests. RSC Adv 2020; 11:1134-1146. [PMID: 35423719 PMCID: PMC8693524 DOI: 10.1039/d0ra09448j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/03/2020] [Indexed: 11/21/2022] Open
Abstract
The CO2 huff-n-puff process is an effective method to enhance oil recovery; however, its utilization is limited in heterogenous edge-water reservoirs due to the severe water channeling. Accordingly, herein, a stable N2 foam is proposed to assist CO2 huff-n-puff process for enhanced oil recovery. Sodium dodecyl sulfate (SDS) and polyacrylamide (HPAM) were used as the surfactant and stabilizer, respectively, and 0.3 wt% of SDS + 0.3 wt% of HPAM were screened in the laboratory to generate a foam with good foamability and long foam stability. Subsequently, dynamic foam tests using 1D sand packs were conducted at 65 °C and 15 MPa, and a gas/liquid ratio (GLR) of 1 : 1 was optimized to form a strong barrier in high permeable porous media to treat water and gas channeling. 3D heterogeneous models were established in the laboratory, and N2-foam-assisted CO2 huff-n-puff experiments were conducted after edge-water driving. The results showed that an oil recovery of 13.69% was obtained with four cycles of N2-foam-assisted CO2 injection, which is twice that obtained by the CO2 huff-n-puff process. The stable N2 foam could temporarily delay the water and gas channeling, and subsequently, CO2 fully extracted the remaining oil in the low permeable zones around the production well. Pilot tests were conducted in 8 horizontal wells, and a total oil production of 1784 tons with a net price value (NPV) of $240 416.26 was obtained using the N2-foam-assisted CO2 huff-n-puff process, which is a profitable method for enhanced oil recovery in heterogenous reservoirs with edge water.
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Affiliation(s)
- Hongda Hao
- China University of Petroleum Beijing 102249 China +86 17601007653
| | - Jirui Hou
- China University of Petroleum Beijing 102249 China +86 17601007653
| | - Fenglan Zhao
- China University of Petroleum Beijing 102249 China +86 17601007653
| | - Handong Huang
- China University of Petroleum Beijing 102249 China +86 17601007653
| | - Huaizhu Liu
- Drilling & Production Technology Research Institute, Jidong Oilfield Company, CNPC Tangshan Hebei 063000 China
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25
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26
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Su E, Li Q, Xu M, Yuan Y, Wan Z, Yang X, Binks BP. Highly stable and thermo-responsive gel foams by synergistically combining glycyrrhizic acid nanofibrils and cellulose nanocrystals. J Colloid Interface Sci 2020; 587:797-809. [PMID: 33248696 DOI: 10.1016/j.jcis.2020.11.039] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 11/05/2020] [Accepted: 11/07/2020] [Indexed: 12/30/2022]
Abstract
HYPOTHESIS Natural saponin glycyrrhizic acid (GA) and GA nanofibrils (GNFs) are effective foaming agents for formulation of aqueous food-grade foams. Through the synergistic combination of soft semiflexible GNFs with rigid nanofiller cellulose nanocrystals (CNCs), it should be possible to create advanced composite foams with a more complex structure and diverse properties including high stability and stimuli responsiveness. EXPERIMENTS Foams containing mixtures of GNFs and CNCs were prepared, and their formation and stability were investigated. A range of microscopy techniques and small deformation oscillatory shear were adopted to examine the microstructure and viscoelasticity of foams, and a stabilization mechanism for highly stable foams was then established. Further, the temperature-responsive destabilization of foams was evaluated. FINDINGS CNCs are homogeneously distributed in the architecture and mechanically reinforce the GNF fibrillar network, leading to a highly viscoelastic composite network in the continuous phase of foams, which is the key factor responsible for their high stability. Such ultra-stable gel foams display tunable thermo-responsive behavior and a rapid on-demand destabilization upon heating by inducing a phase transition of the bulk composite network. Our work opens up new scenarios on the use of a novel combination of all-natural, sustainable nanoscale building blocks to develop aqueous "superfoams" which are highly stable, stimulable and processable.
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Affiliation(s)
- Enyi Su
- Laboratory of Food Proteins and Colloids, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China
| | - Qing Li
- Laboratory of Food Proteins and Colloids, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China
| | - Mengyue Xu
- Laboratory of Food Proteins and Colloids, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China
| | - Yang Yuan
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Zhili Wan
- Laboratory of Food Proteins and Colloids, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China; Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510640, China.
| | - Xiaoquan Yang
- Laboratory of Food Proteins and Colloids, School of Food Science and Engineering, Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, Guangzhou 510640, China
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27
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Yoshikawa R, Akamatsu M, Sakai K, Sakai H. Physicochemical Properties of Acylglutamic Acid-Alkylamine Complexes in Aqueous Media. J Oleo Sci 2020; 69:865-870. [PMID: 32641610 DOI: 10.5650/jos.ess20030] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
We studied the physicochemical properties of 1:1 stoichiometric complexes of acylglutamic acids (CnGlu) with tertiary alkylamines (CnDMA) in water at their low and high concentrations. Static surface tensiometry suggested that the critical micelle concentration (cmc) decreased with increasing hydrophobic chain length of the complexes. In addition, CnGlu-CnDMA yielded lower cmc than the C12Glu single system. In the region of high concentrations, several phase states including isotropic liquid (L1) phase, hexagonal liquid crystal (H1) phase, bicontinuous cubic liquid crystal (V1) phase, and lamellar liquid crystal (Lα) phase were observed. Assemblies with lesser positive curvature tend to be formed with increasing complex concentration, increasing temperature, and increasing hydrophobic chain length. Additionally, the complex formation resulted in the molecular assemblies with lesser positive curvature.
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Affiliation(s)
- Ryo Yoshikawa
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science
| | - Masaaki Akamatsu
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science
| | - Kenichi Sakai
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science.,Research Institute for Science and Technology, Tokyo University of Science
| | - Hideki Sakai
- Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science.,Research Institute for Science and Technology, Tokyo University of Science
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28
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Pal N, Verma A, Ojha K, Mandal A. Nanoparticle-modified gemini surfactant foams as efficient displacing fluids for enhanced oil recovery. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113193] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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29
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CO 2/N 2-responsive oil-in-water emulsions using a novel switchable surfactant. J Colloid Interface Sci 2020; 571:134-141. [PMID: 32199266 DOI: 10.1016/j.jcis.2020.03.045] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/10/2020] [Accepted: 03/11/2020] [Indexed: 11/23/2022]
Abstract
HYPOTHESIS Recently, switchable or stimuli-responsive emulsions have attracted much research interest in many industrial fields. In this work, a novel CO2/N2-responsive surfactant was designed and developed to facilitate the formation of switchable oil-in-water (O/W) emulsions with fast switching characteristics between a stable emulsion and separate phases upon alternatively bubbling CO2 and N2. EXPERIMENTS The novel CO2/N2-responsive surfactant was facilely prepared by mixing an anionic fatty acid (oleic acid) and a cationic amine (1,3-Bis (aminopropyl) tetramethyldisiloxane) at a 1:1 molecular ratio, which was assembled based on electrostatic interactions. The structure and properties of the novel CO2/N2-responsive switchable surfactant were investigated by Fourier-transform infrared spectroscopy (FTIR), proton nuclear magnetic resonance (1H NMR) spectroscopy, and interfacial tensions. FINDINGS The developed surfactant shows an excellent interfacial activity at the oil/water interface, which can significantly reduce the dosage of the switchable surfactant compared with previous CO2/N2-responsive surfactants. The dynamic interfacial tension of n-decane and aqueous phase decreased from 45 mN m-1 to 5 mN m-1 within 100 s with the addition of 0.2 mM surfactant. In this work, a low concentration of the novel switchable surfactant (e.g., 20.0 mM) can realize reversible emulsification and demulsification in an emulsion system as compared with the high dosage (e.g., ~150 mM) in previous reports, which will bring huge economic benefits in industrial applications in the future. Moreover, this work expands the family of ion-pair surfactants to small amino-functionalized molecules beyond Jeffamine D-230, which promotes the development of simple and switchable ion-pair surfactant. It is found that the O/W emulsions stabilized by the switchable surfactant show excellent stability, which can be stored for over 60 days at room temperature without any obvious change. Interestingly, the stable O/W emulsion is completely demulsified upon bubbling CO2 for 30 s and can be easily re-emulsified to the initial state after purging N2 at 60 °C within 10 min, which demonstrates a rapid and highly efficient switching behavior. The reversible emulsification and demulsification process is ascribed to the reversible assembly and disassembly of the switchable surfactant, which is induced by the removal and purge of CO2.
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30
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Li J, Wong WY, Tao XM. Recent advances in soft functional materials: preparation, functions and applications. NANOSCALE 2020; 12:1281-1306. [PMID: 31912063 DOI: 10.1039/c9nr07035d] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Synthetic materials and biomaterials with elastic moduli lower than 10 MPa are generally considered as soft materials. Research studies on soft materials have been boosted due to their intriguing features such as light-weight, low modulus, stretchability, and a diverse range of functions including sensing, actuating, insulating and transporting. They are ideal materials for applications in smart textiles, flexible devices and wearable electronics. On the other hand, benefiting from the advances in materials science and chemistry, novel soft materials with tailored properties and functions could be prepared to fulfil the specific requirements. In this review, the current progress of soft materials, ranging from materials design, preparation and application are critically summarized based on three categories, namely gels, foams and elastomers. The chemical, physical and electrical properties and the applications are elaborated. This review aims to provide a comprehensive overview of soft materials to researchers in different disciplines.
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Affiliation(s)
- Jun Li
- Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China.
| | - Wai-Yeung Wong
- Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China.
| | - Xiao-Ming Tao
- Research Centre for Smart Wearable Technology, Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China.
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31
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Meng L, Liu Q, Wang J, Fan Z, Wei X. Hydrophobic mesoporous silicon dioxide for improving foam stability. RSC Adv 2020; 10:18565-18571. [PMID: 35518323 PMCID: PMC9053769 DOI: 10.1039/d0ra02161j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 06/09/2020] [Accepted: 04/24/2020] [Indexed: 12/02/2022] Open
Abstract
In this study, mesoporous SiO2 nanoparticles (MSNs) were synthesized via a sol–gel method and modified with (3-chloropropyl) trimethoxysilane to make them hydrophobic (MMSNs). The material was characterized via SEM, TEM, FT-IR, DLS, BET and contact angle measurements. The MMSNs have good foam stability, so that the foam properties of the added particles have been increased by 38.4% in an oil/SDS solution. Simultaneously, it becomes a promising material for foam stabilization in order to enhance the oil recovery because it is bio-compatibile and environment friendly. Also, it provides a novel application-stable foam for mesoporous materials. In this study, mesoporous SiO2 nanoparticles (MSNs) were synthesized via a sol–gel method and modified with (3-chloropropyl) trimethoxysilane to make them hydrophobic (MMSNs).![]()
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Affiliation(s)
- Lihui Meng
- Key Laboratory of Improving Oil Recovery by Ministry of Education
- Northeast Petroleum University
- Daqing
- China
| | - Qingwang Liu
- Key Laboratory of Improving Oil Recovery by Ministry of Education
- Northeast Petroleum University
- Daqing
- China
| | - Jigang Wang
- Key Laboratory of Improving Oil Recovery by Ministry of Education
- Northeast Petroleum University
- Daqing
- China
| | - Zhenzhong Fan
- Key Laboratory of Improving Oil Recovery by Ministry of Education
- Northeast Petroleum University
- Daqing
- China
| | - Xiaoming Wei
- National Energy Research and Development Center of Heavy Oil
- Panjin
- China
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32
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CO2/N2 switchable aqueous foam stabilized by SDS/C12A surfactants: Experimental and molecular simulation studies. Chem Eng Sci 2019. [DOI: 10.1016/j.ces.2019.115218] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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33
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Synthesis and characterization of choline–fatty-acid-based ionic liquids: A new biocompatible surfactant. J Colloid Interface Sci 2019; 551:72-80. [DOI: 10.1016/j.jcis.2019.04.095] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 04/26/2019] [Accepted: 04/30/2019] [Indexed: 11/23/2022]
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34
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Zou J, Liu Y, Wang Q, Liu H, Jia H, Lian P. The Effects of Dynamic Noncovalent Interaction between Surfactants and Additional Salt on the pH‐Switchable Interfacial Tension Variations. J SURFACTANTS DETERG 2019. [DOI: 10.1002/jsde.12342] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jian Zou
- Bohai Oilfield Research Institute, Tianjin BranchCNOOC China Limited Tianjin 300459 China
| | - Yigang Liu
- Bohai Oilfield Research Institute, Tianjin BranchCNOOC China Limited Tianjin 300459 China
| | - Qiuxia Wang
- Bohai Oilfield Research Institute, Tianjin BranchCNOOC China Limited Tianjin 300459 China
| | - Hao Liu
- Bohai Oilfield Research Institute, Tianjin BranchCNOOC China Limited Tianjin 300459 China
| | - Han Jia
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China))Ministry of Education Qingdao 266580 China
- Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum EngineeringChina University of Petroleum (East China) Qingdao 266580 China
| | - Peng Lian
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China))Ministry of Education Qingdao 266580 China
- Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum EngineeringChina University of Petroleum (East China) Qingdao 266580 China
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35
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Jia H, Leng X, Lian P, Han Y, Wang Q, Wang S, Sun T, Liang Y, Huang P, Lv K. pH-Switchable IFT variations and emulsions based on the dynamic noncovalent surfactant/salt assembly at the water/oil interface. SOFT MATTER 2019; 15:5529-5536. [PMID: 31241648 DOI: 10.1039/c9sm00891h] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Additional HCl can facilely control the dynamic noncovalent interaction between anionic surfactant sodium dodecyl benzene sulfonate (SDBS) and additional organic matter, 4,4'-oxydianiline (ODA), at the water/oil interface. At low HCl concentration (ODA/HCl molar ratio (r) = 1 : 1.5, [ODA] = 250 mg L-1), the ODA+ ions effectively enhanced the SDBS ability to reduce the water/oil interfacial tension (IFT) by about two orders of magnitude, while the (SDBS)2/ODA2+ gemini-like surfactants could be constructed at a relatively high HCl concentration (r = 1 : 4, [ODA] = 250 mg L-1), which could largely reduce the IFT to 1.19 × 10-3 mN m-1. Molecular simulation was employed to explore the interfacial activity of ODAn+ (ODA+/ODA2+) ions and the SDBS/ODAn+ interaction. The control experiments used another three surfactants to verify the proposed model. The pH-switchable gradual protonation of amino groups in ODA molecules determined the SDBS/ODA interfacial assembly, which was responsible for the reversal of IFT variations and the related emulsion behaviors.
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Affiliation(s)
- Han Jia
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao, 266580, China. and Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Xu Leng
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao, 266580, China. and Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Peng Lian
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao, 266580, China. and Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yugui Han
- Bohai Oilfield Research Institute, Tianjin Branch, CNOOC China Limited, Tianjin, 300459, China
| | - Qiuxia Wang
- Bohai Oilfield Research Institute, Tianjin Branch, CNOOC China Limited, Tianjin, 300459, China
| | - Shaoyan Wang
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao, 266580, China. and Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Tunan Sun
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao, 266580, China. and Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Yipu Liang
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao, 266580, China. and Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Pan Huang
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao, 266580, China. and Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
| | - Kaihe Lv
- Key Laboratory of Unconventional Oil & Gas Development (China University of Petroleum (East China)), Ministry of Education, Qingdao, 266580, China. and Shandong Key Laboratory of Oilfield Chemistry, School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, 266580, China
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Ren G, Sun Z, Wang Z, Zheng X, Xu Z, Sun D. Nanoemulsion formation by the phase inversion temperature method using polyoxypropylene surfactants. J Colloid Interface Sci 2019; 540:177-184. [DOI: 10.1016/j.jcis.2019.01.018] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 01/03/2019] [Accepted: 01/04/2019] [Indexed: 12/17/2022]
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