Academic literature on the topic 'Quaternary ammonium hydroxide'

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Journal articles on the topic "Quaternary ammonium hydroxide"

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Karibayev, M., D. Bekeshov, B. Myrzakhmetov, et al. "Effect of Hydration on the Intermolecular Interaction of Various Quaternary Ammonium Based Head Groups with Hydroxide Ion of Anion Exchange Membrane Studied at the Molecular Level." Eurasian Chemico-Technological Journal 25, no. 2 (2023): 89. http://dx.doi.org/10.18321/ectj1499.

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Currently, the main limitation of Anion Exchange Membrane Fuel Cells is related to their low chemical stability under alkaline conditions due to the degradation of quaternary ammonium-based head groups, which lowers the transportation of hydroxide ions as well. The knowledge of the intermolecular interaction of various quaternary ammonium head groups with hydroxide ions is the key to improving hydroxide ion’s diffusivity and chemical stability of various quaternary ammonium-based head groups. Consequently, the intermolecular interaction of hydroxide ions with different quaternary ammonium head
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2

Kelleher, Brian P., Aidan M. Doyle, Benjamin K. Hodnett, and Thomas F. O'Dwyer. "Utilisation of a Mesoporous Silicate Material for the Removal of Quaternary Ammonium Hydroxides (QAHs) from Aqueous Solution." Adsorption Science & Technology 20, no. 3 (2002): 261–67. http://dx.doi.org/10.1260/026361702760254441.

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A cubic mesoporous silicate (CMS) was prepared, characterised and assessed as an adsorbent for quaternary ammonium hydroxides (QAHs) from aqueous solution. The adsorption process was studied as a function of molecular size and CMS pore volume. Sorption closely followed the Langmuir model. A comparison of the CMS pore volume and the volume of the sorbed molecules suggested that monolayer sorption occurred and that the number of molecules sorbed was a function of the size of the quaternary ammonium hydroxide molecule and the threshold area capable of being occupied by this molecule.
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Khan, Muhammad Saad, Cornelius Borecho Bavoh, Khor Siak Foo, et al. "Kinetic Behavior of Quaternary Ammonium Hydroxides in Mixed Methane and Carbon Dioxide Hydrates." Molecules 26, no. 2 (2021): 275. http://dx.doi.org/10.3390/molecules26020275.

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This study evaluates the kinetic hydrate inhibition (KHI) performance of four quaternary ammonium hydroxides (QAH) on mixed CH4 + CO2 hydrate systems. The studied QAHs are; tetraethylammonium hydroxide (TEAOH), tetrabutylammonium hydroxide (TBAOH), tetramethylammonium hydroxide (TMAOH), and tetrapropylammonium hydroxide (TPrAOH). The test was performed in a high-pressure hydrate reactor at temperatures of 274.0 K and 277.0 K, and a concentration of 1 wt.% using the isochoric cooling method. The kinetics results suggest that all the QAHs potentially delayed mixed CH4 + CO2 hydrates formation du
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Khan, Muhammad Saad, Cornelius Borecho Bavoh, Khor Siak Foo, et al. "Kinetic Behavior of Quaternary Ammonium Hydroxides in Mixed Methane and Carbon Dioxide Hydrates." Molecules 26, no. 2 (2021): 275. http://dx.doi.org/10.3390/molecules26020275.

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This study evaluates the kinetic hydrate inhibition (KHI) performance of four quaternary ammonium hydroxides (QAH) on mixed CH4 + CO2 hydrate systems. The studied QAHs are; tetraethylammonium hydroxide (TEAOH), tetrabutylammonium hydroxide (TBAOH), tetramethylammonium hydroxide (TMAOH), and tetrapropylammonium hydroxide (TPrAOH). The test was performed in a high-pressure hydrate reactor at temperatures of 274.0 K and 277.0 K, and a concentration of 1 wt.% using the isochoric cooling method. The kinetics results suggest that all the QAHs potentially delayed mixed CH4 + CO2 hydrates formation du
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5

Xu, Xiaozhi, Lumei Wang, Jiajie Wang, et al. "Hydroxide-ion-conductive gas barrier films based on layered double hydroxide/polysulfone multilayers." Chemical Communications 54, no. 56 (2018): 7778–81. http://dx.doi.org/10.1039/c8cc02900h.

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Hybrid films were fabricated via the layer-by-layer assembly of layered double hydroxide (LDH) nanoplates and quaternary ammonium grafted polysulfone (QAPSF), and showed dual functionality with both gas barrier and hydroxide ion conductivity properties.
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6

Dang, Hai-Son, Eva Annika Weiber, and Patric Jannasch. "Poly(phenylene oxide) functionalized with quaternary ammonium groups via flexible alkyl spacers for high-performance anion exchange membranes." Journal of Materials Chemistry A 3, no. 10 (2015): 5280–84. http://dx.doi.org/10.1039/c5ta00350d.

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Willdorf-Cohen, Sapir, Abhishek N. Mondal, Dario R. Dekel, and Charles E. Diesendruck. "Chemical stability of poly(phenylene oxide)-based ionomers in an anion exchange-membrane fuel cell environment." Journal of Materials Chemistry A 6, no. 44 (2018): 22234–39. http://dx.doi.org/10.1039/c8ta05785k.

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The chemical stability of polyphenylene oxide grafted with quaternary ammonium salts, ionomers relevant for the development of practical alkaline fuel cells, is studied using hydroxide at different water microsolvation levels.
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8

Koronka, Daniel, та Kenji Miyatake. "Anion exchange membranes containing no β-hydrogen atoms on ammonium groups: synthesis, properties, and alkaline stability". RSC Advances 11, № 2 (2021): 1030–38. http://dx.doi.org/10.1039/d0ra09308d.

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A novel hydrophilic structure with no β-hydrogen atoms on the quaternary ammonium functionality has been developed for anion exchange membranes. The membranes featured high hydroxide conductivity and alkaline stability under harsh conditions.
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9

Srebnik, Simcha, Srdjan Pusara, and Dario R. Dekel. "Effect of Carbonate Anions on Quaternary Ammonium-Hydroxide Interaction." Journal of Physical Chemistry C 123, no. 26 (2019): 15956–62. http://dx.doi.org/10.1021/acs.jpcc.9b03131.

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10

Liu, Quan Xiao, Jin Li Li, and Wen Cai Xu. "Preparation and Properties of Cationic Starch with High Degree of Substitution." Materials Science Forum 663-665 (November 2010): 1264–67. http://dx.doi.org/10.4028/www.scientific.net/msf.663-665.1264.

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Using sodium hydroxide as its alkali catalyzer, 3-chloro-2-hydroxypropyl trimethyl ammonium chloride as its quaternary agents, cationic starch with high degree of substitution was made by semi-dry process. The prepared cationic starch contains quaternary ammonium groups by the infrared spectrum analysis. From the scan electron microscope pictures of starch and cationic starch, cationic starch can be clearly seen to have substituted the quaternary ammonium salt groups and the structure of mutual penetration of flexible quaternary ammonium salt groups and rigid starch has formed. The tensile str
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Books on the topic "Quaternary ammonium hydroxide"

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Parker, Philip M. The 2007 Import and Export Market for Quaternary Ammonium Salts and Hydroxides, Lecithins, and Other Phosphoaminolipids in India. ICON Group International, Inc., 2006.

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Parker, Philip M. The World Market for Quaternary Ammonium Salts and Hydroxides, Lecithins, and Other Phosphoaminolipids: A 2007 Global Trade Perspective. ICON Group International, Inc., 2006.

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Parker, Philip M. The 2007 Import and Export Market for Quaternary Ammonium Salts and Hydroxides, Lecithins, and Other Phosphoaminolipids in China. ICON Group International, Inc., 2006.

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The World Market for Quaternary Ammonium Salts and Hydroxides, Lecithins, and Other Phosphoaminolipids: A 2004 Global Trade Perspective. Icon Group International, Inc., 2005.

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Parker, Philip M. The 2007 Import and Export Market for Quaternary Ammonium Salts and Hydroxides, Lecithins, and Other Phosphoaminolipids in United States. ICON Group International, Inc., 2006.

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Book chapters on the topic "Quaternary ammonium hydroxide"

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Ashfaq, Ghina, Junaid Ali, Saira Arif, Memoon Sajid, Gul Hassan, and Ahmed Shuja Syed. "Graphene and its Derivatives: A Potential Solution for Microbial Control." In 2D Materials: Chemistry and Applications (Part 1). BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815223675124010007.

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Graphene-based materials (GMs) are the most promising materials in this era of antimicrobial and antiviral materials. Their excellent physicochemical properties and biocompatibility have opened new doors in this field. Graphene has good mechanical properties, a large surface area, high barrier mobility, excellent electronic transport performance, and resistance to degradation. Antimicrobial and antiviral materials have been used in the health sector for many years to fight off pathogens. Antibiotics, metal ions, and quaternary ammonium hydroxide are used for bacteria, while metals and organic
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Conference papers on the topic "Quaternary ammonium hydroxide"

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Seo, Dong-Wan, Young-Don Lim, Soon-Ho Lee, Kyung-Mun Kang, Ki-Seong Lee, and Whan-Gi Kim. "Preparation and properties of hydroxide conducting membrane of poly(tetra phenyl ether sulfone) containing pendant quaternary ammonium hydroxide group for alkaline fuel cell application." In 2012 IEEE 12th International Conference on Nanotechnology (IEEE-NANO). IEEE, 2012. http://dx.doi.org/10.1109/nano.2012.6321944.

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Krylov, A. V., A. A. Tokareva, P. A. Syromyatnikov, P. M. Novichkova, and P. V. Zheglatiy. "Abnormal behavior of supramolecular systems based on quaternary ammonium salts and hydroxides in aqueous solutions." In ACTUAL PROBLEMS OF ORGANIC CHEMISTRY AND BIOTECHNOLOGY (OCBT2020): Proceedings of the International Scientific Conference. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0070097.

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