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ionic liquid hydrophobic

Hydrophobic and polar ionic liquids - Physical Chemistry ...

Abstract By designing both the cation and anion to give rise to hydrophobicity and polarity, we have created a new class of ionic liquids that are both hydrophobic and polar. These comprise one component of ionic liquid – water biphasic systems having strong hydrogen bonding characteristics in

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Hydrophobic ionic liquids at liquid and solid interfaces ...

01/01/2019  Three hydrophobic ILs were investigated at the air/water interface (Langmuir trough) and at the water/silica interface (adsorption, friction and wear). The same experiments were repeated with aqueous solutions of ILs containing the anionic surfactant sodium n-hexadecylsulphate (SHS).

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Synthesis of Hydrophobic Ionic Liquids for Electrochemical ...

05/07/2006  In this work is described an improved synthesis of hydrophobic room-temperature ionic liquids (RTIL) composed of -methyl- -alkylpyrrolidinium (or piperidinium) cations and (perfluoroalkylsulfonyl)imide,, anions.

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Hydrophobic and low-density amino acid ionic liquids ...

15/05/2010  Ionic liquids (ILs) have a potentially unique combination of properties, such as negligible vapor pressure, high thermal stability, and high ionic conductivity, because of the wide capability for design of the ions. These unique properties have led researchers to design novel solvents for deployment in chemical, electrochemical, and biochemical reactions . Many hydrophobic ILs have been ...

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Mutual Solubilities of Water and Hydrophobic Ionic Liquids ...

From experimental measurements of the temperature dependence of ionic liquid solubilities in water, the thermodynamic molar functions of solution, such as Gibbs energy, enthalpy, and entropy at infinite dilution were determined, showing that the solubility of these ILs in water is entropically driven and that the anion solvation at the IL-rich phase controls their solubilities in water.

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Hydrophobic ionic liquid-in-polymer composites for ...

02/11/2020  Pure liquid-state ionic liquids are usually hard for dehydration which have ultralong response time for humidity sensing. The immobilization of ionic liquids provide a possible way for high performance humidity sensing. Hydrophobic materials and structures also promised faster response in humidity sensing, because of easier desorption of water.

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State of Hydrophobic and Hydrophilic Ionic Liquids in ...

09/10/2013  Three Way Comparison of Hydrophilic Ionic Liquid, Hydrophobic Ionic Liquid, and Dilute Acid for the Pretreatment of Herbaceous and Woody Biomass. Frontiers in Energy Research 2018, 6 DOI: 10.3389/fenrg.2018.00067. Xuan Yang, Yingxiang Du, Zijie Feng, Zongran Liu, Jingtang Li. Establishment and molecular modeling study of maltodextrin-based synergistic enantioseparation

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Low‐Melting, Low‐Viscous, Hydrophobic Ionic Liquids ...

29/12/2004  A novel class of low‐melting, hydrophobic ionic liquids based on relatively small aliphatic quaternary ammonium cations ([R 1 R 2 R 3 NR] +, wherein R 1, R 2, R 3 = CH 3 or C 2 H 5, R = n ‐C 3 H 7, n ‐C 4 H 9, CH 2 CH 2 OCH 3) and perfluoroalkyltrifluoroborate anions ([R F BF 3] −, R F = CF 3, C 2 F 5, n ‐C 3 F 7, n ‐C 4 F 9) have been prepared and characterized.

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Native Chemical Ligation of Highly Hydrophobic Peptides in ...

The chemical synthesis of a highly hydrophobic membrane-associated peptide by native chemical ligation (NCL) in an ionic liquid (IL) [C2mim][OAc]/buffer mixture was achieved by employing peptide concentrations up to 11 mM. NCL was studied at different pH and water content and compared to several “gold-standard” ligation protocols. The optimized reaction protocol for the NCL in IL required ...

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Hydrophobic Ionic Liquid Technologies HyLITE Project ...

18/01/2016  HyLITE (Hydrophobic Ionic Liquid Technologies) aims to enhance established European strength and capability in the research and development of ionic liquid materials by targeting to production of new ionic liquids with specific, tailored, properties that are technologically functional and environmentally acceptable and can be manufactured from

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Hydrophobic Ionic Liquid Technologies HyLITE Project ...

18/01/2016  HyLITE (Hydrophobic Ionic Liquid Technologies) aims to enhance established European strength and capability in the research and development of ionic liquid materials by targeting to production of new ionic liquids with specific, tailored, properties that are technologically functional and environmentally acceptable and can be manufactured from sustainable resources. Optimised atom

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Hydrophobic ionic liquids for quantitative bacterial cell ...

Hydrophobic ionic liquids for quantitative bacterial cell lysis with subsequent DNA quantification. Fuchs-Telka S(1), Fister S(1), Mester PJ(1), Wagner M(2), Rossmanith P(3)(4). Author information: (1)Christian Doppler Laboratory for Monitoring of Microbial Contaminants, University of Veterinary Medicine, Veterinärplatz 1, 1210, Vienna, Austria.

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Hydrophobic and Hydrophilic Interactions of Ionic Liquids ...

13/08/2007  These two specific ionic liquids where chosen as representatives of many types of paired hydrophobic-hydrophilic ionic liquids. For instance, similar hydrophobic-hydrophilic ionic liquids using the tetrafluoroborate and hexafluorophosphate anion are well known, such as those using 1-ethyl-3-methylimidazolium, or 1-butyl-3-methylimidazolium as the cation. However, it has been documented

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Hydrophobic and polar ionic liquids Request PDF

A new class of hydrophobic and polar ionic liquids was prepared by coupling hydrophobic tetraoctylphosphonium cation and polar phosphonate-derived anions. Mixtures of these ionic liquids

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Mutual Solubility of Hydrophobic Ionic Liquids and Water ...

Liquid–liquid two-phase systems formed by a hydrophobic ionic liquid and water find several useful ways of application in analytical chemistry. One of the most important properties of such two-phase systems is the mutual solubility of the IL and water. Recent advancements on this subject have been reviewed. The solubility of ionic liquids in water is related to the standard Gibbs energies of ...

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Low‐Melting, Low‐Viscous, Hydrophobic Ionic Liquids ...

29/12/2004  A novel class of low‐melting, hydrophobic ionic liquids based on relatively small aliphatic quaternary ammonium cations ([R 1 R 2 R 3 NR] +, wherein R 1, R 2, R 3 = CH 3 or C 2 H 5, R = n‐C 3 H 7, n‐C 4 H 9, CH 2 CH 2 OCH 3) and perfluoroalkyltrifluoroborate anions ([R F BF 3] −, R F = CF 3, C 2 F 5, n‐C 3 F 7, n‐C 4 F 9) have been prepared and characterized.The important ...

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US5827602A - Hydrophobic ionic liquids - Google Patents

ionic liquid hydrophobic ionic separate Prior art date 1995-06-30 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US08/932,931 Inventor Victor R. Koch Chenniah Nanjundiah Richard T. Carlin Current Assignee (The ...

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Low‐Melting, Low‐Viscous, Hydrophobic Ionic Liquids: 1 ...

Naoya NISHI, Hiroshi MURAKAMI, Yukinori YASUI and Takashi KAKIUCHI, Use of Highly Hydrophobic Ionic Liquids for Ion-selective Electrodes of the Liquid Membrane Type, Analytical Sciences, 10.2116/analsci.24.1315, 24, 10, (1315-1320), (2008).

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Reversible Hydrophobic–Hydrophilic Transition of Ionic ...

29/04/2015  Ionic liquids (ILs) with a reversible hydrophobic–hydrophilic transition were developed, and they exhibited unique phase behavior with H 2 O: monophase in the presence of CO 2, but biphase upon removal of CO 2 at room temperature and atmospheric pressure. Thus, coupling of reaction, separation, and recovery steps in sustainable chemical processes could be realized by a reversible liquid ...

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Three Way Comparison of Hydrophilic Ionic Liquid ...

Ultimately, the hydrophilic ionic liquid functioned better for biomass pretreatment than the hydrophobic ionic liquid. These results were then compared to a traditional dilute acid pretreatment to examine the relative effectiveness of ionic liquid pretreatment across a variety of biomass and ionic liquid types. Total theoretical sugar yields after IL pretreatment varied widely by IL and ...

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Hydrophobic ionic liquids for quantitative bacterial cell ...

Hydrophobic ionic liquids for quantitative bacterial cell lysis with subsequent DNA quantification. Fuchs-Telka S(1), Fister S(1), Mester PJ(1), Wagner M(2), Rossmanith P(3)(4). Author information: (1)Christian Doppler Laboratory for Monitoring of Microbial Contaminants, University of Veterinary Medicine, Veterinärplatz 1, 1210, Vienna, Austria.

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Hydrophobic Ionic Liquid Technologies HyLITE Project ...

18/01/2016  HyLITE (Hydrophobic Ionic Liquid Technologies) aims to enhance established European strength and capability in the research and development of ionic liquid materials by targeting to production of new ionic liquids with specific, tailored, properties that are technologically functional and environmentally acceptable and can be manufactured from sustainable resources. Optimised atom

More

Hydrophobic and Hydrophilic Interactions of Ionic Liquids ...

13/08/2007  These two specific ionic liquids where chosen as representatives of many types of paired hydrophobic-hydrophilic ionic liquids. For instance, similar hydrophobic-hydrophilic ionic liquids using the tetrafluoroborate and hexafluorophosphate anion are well known, such as those using 1-ethyl-3-methylimidazolium, or 1-butyl-3-methylimidazolium as the cation. However, it has been documented

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Physicochemical properties and toxicities of hydrophobic ...

Keywords: Ionic liquids, hydrophobic, piperidinium, pyrrolidinium, properties, safety, toxicity 1. Introduction Ionic liquids (ILs) provide a class of solvents composed only of ions. Typical ionic liquids contain large organic cations, such as ammonium, imidazolium, pyridinium, piperidinium or pyrrolidinium cations, and halogen, fluorinated or organic anions.1-16 Ionic liquids are often ...

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Mutual Solubility of Hydrophobic Ionic Liquids and Water ...

Liquid–liquid two-phase systems formed by a hydrophobic ionic liquid and water find several useful ways of application in analytical chemistry. One of the most important properties of such two-phase systems is the mutual solubility of the IL and water. Recent advancements on this subject have been reviewed. The solubility of ionic liquids in water is related to the standard Gibbs energies of ...

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US5827602A - Hydrophobic ionic liquids - Google Patents

ionic liquid hydrophobic ionic separate Prior art date 1995-06-30 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US08/932,931 Inventor Victor R. Koch Chenniah Nanjundiah Richard T. Carlin Current Assignee (The ...

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Low‐Melting, Low‐Viscous, Hydrophobic Ionic Liquids ...

29/12/2004  A novel class of low‐melting, hydrophobic ionic liquids based on relatively small aliphatic quaternary ammonium cations ([R 1 R 2 R 3 NR] +, wherein R 1, R 2, R 3 = CH 3 or C 2 H 5, R = n‐C 3 H 7, n‐C 4 H 9, CH 2 CH 2 OCH 3) and perfluoroalkyltrifluoroborate anions ([R F BF 3] −, R F = CF 3, C 2 F 5, n‐C 3 F 7, n‐C 4 F 9) have been prepared and characterized.The important ...

More

Low‐Melting, Low‐Viscous, Hydrophobic Ionic Liquids: 1 ...

Naoya NISHI, Hiroshi MURAKAMI, Yukinori YASUI and Takashi KAKIUCHI, Use of Highly Hydrophobic Ionic Liquids for Ion-selective Electrodes of the Liquid Membrane Type, Analytical Sciences, 10.2116/analsci.24.1315, 24, 10, (1315-1320), (2008).

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Mutual Solubilities of Water and Hydrophobic Ionic Liquids

IntroductionIn the past decade, ionic liquids (ILs) have received increasing attention as an emerging class of "neoteric" nonaqueous solvents. 1 ILs belong to the molten salts group and are usually formed by large organic cations and smaller organic or inorganic anions, allowing them to remain liquid at or near room temperature. One of the most interesting characteristics of ILs is their high ...

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DE69629816T2 - Hydrophobic ionic liquids - Google Patents

ionic liquid hydrophobic ionic anion Prior art date 1995-06-30 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number DE1996629816 Other languages German (de) Other versions DE69629816T3 (en DE69629816D1

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Hydrophobic ionic liquids for quantitative bacterial cell ...

Hydrophobic ionic liquids for quantitative bacterial cell lysis with subsequent DNA quantification. Fuchs-Telka S(1), Fister S(1), Mester PJ(1), Wagner M(2), Rossmanith P(3)(4). Author information: (1)Christian Doppler Laboratory for Monitoring of Microbial Contaminants, University of Veterinary Medicine, Veterinärplatz 1, 1210, Vienna, Austria.

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Hydrophobic ionic liquids - Innovations Report

The liquids comprise salts of fluorinated imide anions which can be produced quantitatively and anhydrously. The salts of the hydrophobic ionic liquid are slightly basic and more stable in the form of free ions in contrast to the previously known imide anions. The hydrophobic ionic liquid are able to dissolve substances that are normally difficult to bring into solution with conventional ...

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US5827602A - Hydrophobic ionic liquids - Google Patents

ionic liquid hydrophobic ionic separate Prior art date 1995-06-30 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US08/932,931 Inventor Victor R. Koch Chenniah Nanjundiah Richard T. Carlin Current Assignee (The ...

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Mutual Solubility of Hydrophobic Ionic Liquids and Water ...

Liquid–liquid two-phase systems formed by a hydrophobic ionic liquid and water find several useful ways of application in analytical chemistry. One of the most important properties of such two-phase systems is the mutual solubility of the IL and water. Recent advancements on this subject have been reviewed. The solubility of ionic liquids in water is related to the standard Gibbs energies of ...

More

DE69629816T2 - Hydrophobic ionic liquids - Google Patents

ionic liquid hydrophobic ionic anion Prior art date 1995-06-30 Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number DE1996629816 Other languages German (de) Other versions DE69629816T3 (en DE69629816D1

More

Mutual Solubilities of Water and Hydrophobic Ionic Liquids

IntroductionIn the past decade, ionic liquids (ILs) have received increasing attention as an emerging class of "neoteric" nonaqueous solvents. 1 ILs belong to the molten salts group and are usually formed by large organic cations and smaller organic or inorganic anions, allowing them to remain liquid at or near room temperature. One of the most interesting characteristics of ILs is their high ...

More

Hydrophobic Ionic Liquid Technologies

Over the past twenty years hydrophobic ionic liquids with little, or no vapour pressure have been developed as alternatives to volatile... Over the past twenty years hydrophobic ionic liquids with little, or no vapour pressure have been developed as alternatives to volatile... Siga las últimas noticias y los proyectos más recientes sobre la COVID-19 y la respuesta al coronavirus de la ...

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Minimizing the electrosorption of water from humid ionic ...

06/12/2018  Results disclose a counterintuitive phenomenon: in spite of the fact that hydrophilic ionic liquids could absorb more water from the humid air than hydrophobic ones, taking them as electrolytes would help to keep water molecules away from the negatively charged electrodes (where the danger of water electrolysis is the highest), even at large electrode polarizations. This conclusion is verified ...

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α‐Fe2O3 Cubes with High Visible‐Light‐Activated ...

23/01/2014  A liquid/liquid interfacial reaction system was designed to fabricate α‐Fe 2 O 3 cubes. The reaction system uses a hydrophobic ionic liquid containing iron ions ([(C 8 H 17) 2 (CH 3) 2 N]FeCl 4) for manufacturing α‐Fe 2 O 3 cubes by a novel and environmentally friendly hydrothermal method under low‐temperature conditions (140 °C). The iron‐containing ionic liquid is hydrophobic and ...

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Ionic liquids - SlideShare

06/01/2015  Scandium(III) triflate catalysed alkylation of aromatic compounds with alkenes proceeds readily in hydrophobic ionic liquid catalyst with easy recovery and recycling, whereas these reactions do not occur in common organic solvents. Ionic liquids are generally non toxic and biodegradable thus making the process greener 9. 0 200 400 600 800 1000 No of publications 1995 1997 1999 2001

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