Relevant bibliographies by topics / THF (Tetrahydrofuran)

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'THF (Tetrahydrofuran)'

Author: Grafiati
Published: 5 June 2025
Last updated: 2 August 2025

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Journal articles on the topic "THF (Tetrahydrofuran)"

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Bonath, Martin, Verena M. Birkelbach, Christoph Stuhl, Cäcilia Maichle-Mössmer, and Reiner Anwander. "Rare-earth-metallocene alkylaluminates trigger distinct tetrahydrofuran activation." Chemical Communications 57, no. 64 (2021): 7918–21. http://dx.doi.org/10.1039/d1cc03024h.

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Lanthanocene Cp*<sub>2</sub>La(AlMe<sub>4</sub>) affords selective metalation of tetrahydrofuran to the 2-tetrahydrofuranyl derivative Cp*<sub>2</sub>La(2-AlMe<sub>3</sub>-OC<sub>4</sub>H<sub>7</sub>), while the yttrium reaction leads to THF degradation.
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Kucera, Benjamin E., Victor G. Young, William W. Brennessel, and John E. Ellis. "Syntheses and crystal structures of new naphthalene– and anthracene–vanadate salts and an unprecedented dimetallabis(anthracene) sandwich complex: [Na(tetrahydrofuran)3][V2(anthracene)2]." Acta Crystallographica Section C Structural Chemistry 78, no. 3 (2022): 148–63. http://dx.doi.org/10.1107/s2053229622001255.

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Reduction of bis(naphthalene)vanadium(0) by potassium naphthalene (KNp) in tetrahydrofuran (THF) provides a highly reactive, thermolabile, and so far unisolable brown substance, which affords the first reported derivatives of bis(naphthalene)vanadates. From these solutions, thermally stable (298 K) and structurally characterized compounds have been obtained, including dark-red rods of catena-poly[bis(μ3-η4:η6:η4-naphthalene)tetrakis(tetrahydrofuran)dipotassiumvanadium], [K2V(C4H8O)4(C10H8)2] n or [K(THF)2]2[V(C10H8)2] (3), and red plates of (4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexa
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Chappell, SD, LM Engelhardt, CL Raston та AH White. "Structural Characterization of Di-μ-hydroxo-bis[trichloro(tetrahydrofuran)tin(II)] Bis(tetrahydrofuran)". Australian Journal of Chemistry 41, № 7 (1988): 1123. http://dx.doi.org/10.1071/ch9881123.

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The title compound [( thf )Cl3Sn(OH)2SnCl3( thf )].2thf ( thf = tetrahydrofuran ) has been characterized by single-crystal X-ray structure determination, allowing comparison of its geometry with the recently recorded [( thf )BrCl2Sn(OH)2Cl2Br( thf )].2thf,1 with which it is isomorphous.
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Westerhausen, Matthias, and Wolfgang Schwarz. "Neuartige Synthese und Molekülstruktur von Benzylkalium (thf) [KCH2C6H5]2 / Novel Synthesis and Molecular Structure of Benzyl Potassium (thf)[KCH2C6H5]2." Zeitschrift für Naturforschung B 53, no. 5-6 (1998): 625–27. http://dx.doi.org/10.1515/znb-1998-5-620.

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Abstract The reaction of potassium with hexamethyldi-stannane in a refluxing solvent mixture of toluene and tetrahydrofuran (ratio 10:1) yields the red tetrahydrofuran adduct of benzyl potassium (thf)[KCH2C6H5]2 due to the metalation of toluene by the potassium trimethylstannanide intermediate. The solid state structure of (thf)[KCH2C6H5]2 contains dimers with only one potassium coordinated to a tetrahydrofuran molecule. These dimers form a polymer through benzyl bridging with shortest K-C distances at 292 pm.
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Kang, Oon Lee, Azizan Ahmad, Usman Ali Rana, and Nur Hasyareeda Hassan. "Sol-Gel Titanium Dioxide Nanoparticles: Preparation and Structural Characterization." Journal of Nanotechnology 2016 (2016): 1–7. http://dx.doi.org/10.1155/2016/5375939.

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Titanium dioxide (TiO2) nanoparticle was achieved in an alternative sol-gel route, as involved in 1 M acidic solution: HCl-tetrahydrofuran (HCl-THF), HNO3-tetrahydrofuran (HNO3-THF), and ClHNO2-tetrahydrofuran (ClHNO2-THF) solution. Resultant TiO2 nanoparticle was further investigated in a systematic analytical approach. Nanoscale TiO2 structure was observed at a moderate hydrolysis ratio (8≤RH≤16). Particle size range was much narrower in an aprotic HNO3-THF medium, as compared to a differential HCl-THF medium. Biphasic TiO2 structure was detected at a certain hydrolysis ratio (RH≥16). Even s
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Churakov, Andrei V., Dmitry P. Krut'ko, Maxim V. Borzov, Roman S. Kirsanov, Sergei A. Belov та Judith A. K. Howard. "Di-μ-pyridyl-1:2κ2 N:C 2;2:1κ2 N:C 2-μ-tetrahydrofuran-κ2 O:O-bis[bromo(tetrahydrofuran)magnesium(II)] tetrahydrofuran hemisolvate". Acta Crystallographica Section E Structure Reports Online 62, № 5 (2006): m1094—m1096. http://dx.doi.org/10.1107/s1600536806013742.

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The title compound, [Mg2Br2(C5H4N)2(C4H8O)3]·0.5C4H8O, contains dimeric associations of Mg atoms bridged by tetrahydrofuran (THF) molecules. The coordination polyhedron of the Mg atom is a slightly distorted MgCNO2Br trigonal bipyramid with two THF molecules in the axial positions. One O atom occupies a site with symmetry 2.
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Ellis, John E., Mikhail E. Minyaev, Ilya E. Nifant'ev, and Andrei V. Churakov. "Scandium complexes with the tetraphenylethylene and anthracene dianions." Acta Crystallographica Section C Structural Chemistry 74, no. 6 (2018): 769–81. http://dx.doi.org/10.1107/s2053229618007295.

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The structural study of Sc complexes containing dianions of anthracene and tetraphenylethylene should shed some light on the nature of rare-earth metal–carbon bonding. The crystal structures of (18-crown-6)bis(tetrahydrofuran-κO)sodium bis(η6-1,1,2,2-tetraphenylethenediyl)scandium(III) tetrahydrofuran disolvate, [Na(C4H8O)2(C12H24O6)][Sc(C26H20)2]·2C4H8O or [Na(18-crown-6)(THF)2][Sc(η6-C2Ph4)2]·2(THF), (1b), (η5-1,3-diphenylcyclopentadienyl)(tetrahydrofuran-κO)(η6-1,1,2,2-tetraphenylethenediyl)scandium(III) toluene hemisolvate, [Sc(C17H13)(C26H20)(C4H8O)]·0.5C7H8or [(η5-1,3-Ph2C5H3)Sc(η6-C2Ph4
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Kloubert, Tobias, Helmar Görls, and Matthias Westerhausen. "3-Phenyl-5-(2-pyridyl)pyrazolato Complexes of Lithium, Magnesium, Calcium, and Zinc." Zeitschrift für Naturforschung B 67, no. 6 (2012): 519–31. http://dx.doi.org/10.5560/znb.2012-0085.

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Metalation of 3-phenyl-5-(2-pyridyl)pyrazole (HPz, 1) with alkyllithium and -zinc compounds in tetrahydrofuran (thf) yields dinuclear products [(thf)Li(Pz)]2 (2) and [MeZn(Pz)]2 (3), respectively. Magnesiation of 1 with diethylmagnesium in tetrahydrofuran in the presence of 1,4-dioxane leads to cocrystallization of mononuclear [(thf)2Mg(Pz)2] (4a) and [(diox)2Mg(Pz)2] (4b). Metalation of 1 with KH followed by a metathesis reaction with CaI2 in tetrahydrofuran leads to the formation of dinuclear [{(thf)2Ca}(m-Pz)3Ca(Pz)] (5) with the calcium atoms in different coordination environments. The lig
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Matějka, Libor, Lubomír Lochmann, and Pavel Schmidt. "An infrared study of interactions in the system sodium tert-butoxide-tetrahydrofuran." Collection of Czechoslovak Chemical Communications 54, no. 2 (1989): 308–15. http://dx.doi.org/10.1135/cccc19890308.

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The adduct of sodium tert-butoxide (t-BuONa) with tetrahydrofuran (THF) was studied by measuring changes of infrared spectra in the range 900-1100 cm-1. Alkoxide autoassociation and solvation of this associate by tetrahydrofuran play a role in adduct formation. In hydrocarbon solvents in the presence of minor amounts of THF, higher t-BuONa associates are dissociated, the preffered form being a tetramer solvated by three THF molecules. At large excess of THF, the tetramer is solvated by four THF molecules. The stability constant of the adduct, referred to one Na-O bond, is 5.01.
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Pombeiro, A. J. L., A. Hills, D. L. Hughes, and R. L. Richards. "[MoH4(dppe)2].thf (dppe = Ph2PCH2CH2PPh2; thf = Tetrahydrofuran)." Acta Crystallographica Section C Crystal Structure Communications 51, no. 1 (1995): 23–26. http://dx.doi.org/10.1107/s0108270194007559.

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Dissertations / Theses on the topic "THF (Tetrahydrofuran)"

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Rojas, González Yenny V. "Tetrahydrofuran and natural gas hydrates formation in the presence of various inhibitors." Thesis, Curtin University, 2011. http://hdl.handle.net/20.500.11937/2332.

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The aim of this thesis is to investigate the formation process of tetrahydrofuran (THF) hydrates and natural gas hydrates, and the effect of kinetic hydrate inhibitors (KHIs) on the formation and growth of these hydrates. Kinetic experiments were conducted in pressure cells in the presence of, or without, KHIs. Interfacial and electrokinetic techniques, including surface tension, Langmuir monolayers and zeta potential, were used to study the adsorption preferences of the inhibitors in two different interfaces, air–liquid and hydrate–liquid. For comparison purposes, selected thermodynamic hydra
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Rabeau, Sophie. "Étude d'un procédé continu de microencapsulation basé sur un micromélangeur." Thesis, Vandoeuvre-les-Nancy, INPL, 2009. http://www.theses.fr/2009INPL096N/document.

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Cette étude se concentre sur l'influence des conditions hydrodynamiques et de mélange sur les caractéristiques de microcapsules obtenues par inversion/précipitation. Ce processus est classiquement exécuté dans une cuve agitée alors qu'il a été montré que l'exécution de procédés de fabrication de produits chimiques peut être améliorée en utilisant des microtechnologies en raison du meilleur contrôle hydrodynamique et de l'intensification des échanges de chaleur et de matières. Donc, afin d'évaluer l'avantage potentiel de ces nouvelles technologies, des microcapsules de parfum enrobé dans du PMM
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Marsh, Paul Robert. "3-Azido-tetrahydrofuran carboxylates as scaffolds for oligomers of β-amino-THF carboxylic acids". Thesis, University of Oxford, 2002. https://ora.ox.ac.uk/objects/uuid:749edfc8-8e18-4811-9247-8e29a3f54c7b.

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This thesis describes investigations into the synthesis and secondary structural properties of novel carbohydrate-derived peptidomimetics. The syntheses from diacetone-D-glucose of five diastereomeric 3-azido-tetrahydrofuran carboxylates are described. These highly functionalised β-amino acid equivalents are accessed via the diacetone-3-azido-3-deoxy sugars and 3-azido-3-deoxy-1,4-lactones. An acid-catalysed rearrangement results in the formation of the tetrahydrofuran ring with the protected amine functionality already in place in a position β- to the carboxylate group. Attempts to synthesise
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Melnik, Dmitry Georgievich. "Submillimeter wave absorption spectroscopy in the free jet environment." Connect to this title online, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1055870713.

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Thesis (Ph. D.)--Ohio State University, 2003.<br>Title from first page of PDF file. Document formatted into pages; contains xxv, 475 p.; also includes graphics Includes bibliographical references (p. 469-475). Available online via OhioLINK's ETD Center
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Martin, Ana Isabel. "Hydrate Bearing Sediments-Thermal Conductivity." Thesis, Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/6844.

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The thermal properties of hydrate bearing sediments remain poorly studied, in part due to measurement difficulties inside the hydrate stability envelope. In particular, there is a dearth of experimental data on hydrate-bearing sediments, and most available measurements and models correspond to bulk gas hydrates. However, hydrates in nature largely occur in porous media, e.g. sand, silt and clay. The purpose of this research is to determine the thermal properties of hydrate-bearing sediments under laboratory conditions, for a wide range of soils from coarse-grained sand to fine-grained silica f
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Lemelin, Vincent. "Mesure de sections efficaces absolues vibrationnelles pour la collision d’électrons de basse énergie (1-19 eV) avec le tétrahydrofurane (THF) condensé." Mémoire, Université de Sherbrooke, 2016. http://hdl.handle.net/11143/9467.

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Résumé: Ce mémoire de maîtrise est une étude des probabilités d’interactions (sections efficaces) des électrons de basse énergie avec une molécule d’intérêt biologique. Cette molécule est le tétrahydrofurane (THF) qui est un bon modèle de la molécule constituant la colonne vertébrale de l’ADN; le désoxyribose. Étant donné la grande quantité d’électrons secondaires libérés lors du passage des radiations à travers la matière biologique et sachant que ceux-ci déposent la majorité de l’énergie, l’étude de leurs interactions avec les molécules constituant l’ADN devient rapidement d’une grande impor
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Dey, Rabindra. "Studies on the ion-solvent interactions of tetraalkylammonium and common ions in tetrahydrofuran and its binary mixtures." Thesis, University of North Bengal, 2005. http://hdl.handle.net/123456789/773.

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Winstead, Rhonda Carol. "The Stereospecific Synthesis of Tetrahydropyrans and Tetrahydrofurans." W&M ScholarWorks, 1986. https://scholarworks.wm.edu/etd/1539625348.

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Head, Geoffrey Douglas. "Oxidative approaches to the synthesis of bis-tetrahydrofuran Annonaceous acetogenins." Thesis, University of Southampton, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.401826.

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Butterworth, Sam. "The preparation of stereodefined tetrahydrofurans : oxidative cyclisation using catalytic osmium tetroxide." Thesis, University of Oxford, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.413978.

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Book chapters on the topic "THF (Tetrahydrofuran)"

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Wohlfarth, Ch. "Viscosity of the mixture (1) water; (2) tetrahydrofuran." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_466.

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Wohlfarth, Ch. "Viscosity of the mixture (1) tetrachloromethane; (2) tetrahydrofuran." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_525.

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Wohlfarth, Ch. "Viscosity of the mixture (1) trichloromethane; (2) tetrahydrofuran." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_546.

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Wohlfarth, Ch. "Viscosity of the mixture (1) acetonitrile; (2) tetrahydrofuran." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_704.

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Wohlfarth, Ch. "Viscosity of the mixture (1) tetrahydrofuran; (2) chlorobenzene." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_1165.

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Wohlfarth, Ch. "Viscosity of the mixture (1) tetrahydrofuran; (2) fluorobenzene." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_1166.

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Wohlfarth, Ch. "Viscosity of the mixture (1) tetrahydrofuran; (2) benzene." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_1167.

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Wohlfarth, Ch. "Viscosity of the mixture (1) tetrahydrofuran; (2) cyclohexane." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_1170.

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Wohlfarth, Ch. "Viscosity of the mixture (1) tetrahydrofuran; (2) hexane." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_1174.

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Wohlfarth, Ch. "Viscosity of the mixture (1) tetrahydrofuran; (2) toluene." In Supplement to IV/18. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75486-2_1175.

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Conference papers on the topic "THF (Tetrahydrofuran)"

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Yao, Lei, Jiafei Zhao, Chuanxiao Cheng, Yu Liu, and Yongchen Song. "Formation and Dissociation of Tetrahydrofuran Hydrate in Porous Media." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-21176.

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Tetrahydrofuran hydrate has long been used as a proxy of methane hydrate in laboratory studies. This paper investigates the formation and dissociation characters of tetrahydrofuran hydrate in porous media using the magnetic resonance imaging (MRI) technology. Various sized quartz glass beads are used to simulate the sediment. The formation and dissociation processes of THF hydrate are observed. The hydrate saturation during the formation is calculated based on the MRI data. The experimental result indicates that the third surface has an important effect on hydrate formation process. THF hydrat
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Eldeeb, Mazen A., and Malshana Wadugurunnehalage. "Chemical Kinetic Model Reduction and Analysis of Tetrahydrofuran Combustion Using Stochastic Species Elimination." In ASME 2020 Power Conference collocated with the 2020 International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/power2020-16583.

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Abstract In this work, a chemical kinetic modeling study of the high-temperature ignition and laminar flame behavior of Tetrahydrofuran (THF), a promising second-generation transportation biofuel, is presented. Stochastic Species Elimination (SSE) model reduction approach (Eldeeb and Akih-Kumgeh, Proceedings of ASME Power Conference 2018) is implemented to develop multiple skeletal versions of a detailed chemical kinetic model of THF (Fenard et al., Combustion and Flame, 2018) based on ignition delay time simulations at various pressures and temperature ranges. The detailed THF model contains
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Meindinyo, Remi-Erempagamo T., Runar Bøe, Thor Martin Svartås, and Silje Bru. "Experimental Study on the Effect of Gas Hydrate Content on Heat Transfer." In ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/omae2015-41280.

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Gas hydrates are the foremost flow assurance issue in deep water operations. Since heat transfer is a limiting factor in gas hydrate formation processes, a better understanding of its relation to hydrate formation is important. This work presents findings from experimental study of the effect of gas hydrate content on heat transfer through a cylindrical wall. The experiments were carried out at temperature conditions similar to those encountered in flowlines in deep water conditions. Experiments were conducted on methane hydrate, Tetrahydrofuran hydrate, and ethylene oxide hydrate respectively
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Moreno-Hernandez, Lizbeth, Santiago Ospina-Rivas, Urel Andreas Espadín - Davila, Marko Jeran, and Rigoberto Barrios-Francisco. "Dehydrogenation of Hantzsch Dihydropyridines with Hetero-geneous Cobalt Oxide Catalyst Supported in N-Doped Acti-vated Carbon." In Socratic Lectures 7. University of Lubljana Press, 2022. http://dx.doi.org/10.55295/psl.2022.d17.

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Hantzsch dihydropyridines represent an important source of hydrogen to be transfered to other un-saturated organic molecules, leading the formation of pyridine aromatic ring as driving force. The hydrogen transfer process was evaluated using 1,4-dyhydropyridines and heterogeneous cobalt cat-alyst supported over N-doped activated carbon. The 4-position of the dihydropyridine ring was sub-stituted with H (4a), Me (4b) and Ph (4c) groups, showing that only 1 reacted to yield the correspond-ing pyridine compound indicating that the presence of steric hindrance took place on the reaction. Additiona
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Dogariu, Arthur, Paul M. Buck, David J. Hagan, and Eric W. Van Stryland. "Pump-Probe Experiments in Organic Solutions for Optical Limiting." In Nonlinear Optics: Materials, Fundamentals and Applications. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/nlo.1996.nthe.13.

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We report a series of picosecond excite-probe and femtosecond continuum excite-probe experiments performed on solutions of organic dyes. These experiments show the dynamics and spectral range of utility for these materials which have shown promise for applications in optical limiting devices. The metallo-organic dye solutions used were: Silicon Naphthalocyanine (SiNc) in methanol, tetrakis(β-cumylphenoxy) Lead Phthalocyanine (PbPc(β-CP)4) in chloroform and Zinc meso-Tetra(p-methoxyphenyl)Tetrabenzporphyrin (ZnTMOTBP) in tetrahydrofuran (THF). Initial studies involved Z-Scan and picosecond pump
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Abshirini, Mohammad, M. Cengiz Altan, Yingtao Liu, Mrinal C. Saha, Laura Cummings, and Thomas Robison. "Manufacturing of Porous Polydimethylsiloxane (PDMS) Plates Using Solvent Evaporation Induced Phase Separation Technique." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-24062.

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Abstract This paper presents the fabrication and characterization of porous polydimethylsiloxane (PDMS) plates. The framework for obtaining porous PDMS is based on the solvent evaporation induced phase separation technique. A mixture of PDMS, water, and tetrahydrofuran (THF) with different concentrations is prepared. The three phases are stirred to reach a highly stable and viscous solution. The THF and water phases are evaporated during a curing cycle by applying a stepping heat treatment. The porous PDMS sheets with a wide range of pore sizes are fabricated by controlling the ratio of water
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Yang, J., and Y. Wang. "Experimental Study on Formation and Decomposition Characteristics of Tetrahydrofuran and Methane Hydrate Based on Microfluidic Chip Technology." In Innovative Geotechnologies for Energy Transition. Society for Underwater Technology, 2023. http://dx.doi.org/10.3723/zjsz8344.

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Gas hydrates are considered a promising energy source for the 21st century, and understanding their formation and decomposition processes is crucial. This study utilized micro-fluidic technology to observe the secondary formation and decomposition of hydrates at the pore scale, comparing methane-tetrahydrofuran(THF)-water and methane-water systems. The study found that hydrates tended to form and decompose at the gas-liquid interface, and the second formation rate of hydrates was higher than the first. During depressurization, hydrates located at the solid-liquid interface decomposed first, fo
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Acharya, Palash V., Denise Lin, and Vaibhav Bahadur. "Mechanisms Underlying Foam-Based Electronucleation of Hydrates." In ASME 2018 16th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icnmm2018-7721.

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Nucleation of clathrate hydrates at low temperatures is constrained by very long induction (wait) times, which can range from hours to days. Electronucleation (application of an electrical potential difference across the hydrate forming solution) can significantly reduce the induction time. This work studies the use of porous open-cell foams of various materials as electronucleation electrodes. Experiments with tetrahydrofuran (THF) hydrates reveal that aluminum and carbon foam electrodes can enable voltage-dependent nucleation, with induction times dependent on the ionization tendency of the
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Lauberts, Maris, Matiss Pals, Jevgenija Ponomarenko, and Alexandr Arshanitsa. "Dissolution behaviour of black alder bark extractives in polyurethane synthesis media: a comprehensive study." In Research for Rural Development 2024 : annual 30th international scientific conference. Latvia University of Life Sciences and Technologies, 2024. https://doi.org/10.22616/rrd.30.2024.041.

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Two approaches to incorporating black alder (BA) bark extractives-derived polyol into a polyurethane (PU) network were studied. In the first case, fractionation of bark extractives with tetrahydrofuran (THF), focusing on isolating the biomass fraction available for obtaining PU elastomers by casting methods using cyclic ethers as a solvent, was employed. Another approach aimed to obtain liquid bio-polyols that could be suitable for producing rigid PU foams. For this purpose, oven-dried crude BA bark water extracts were liquefied with polyethylene glycol (PEG 400) at temperatures of 130-170°C.
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SHIN, HEE-YONG, HYUN KWAK, GYOU-CHEOL HWANG, JI-TAE KIM, and SEONG-YOUL BAE. "DEGRADATION OF POLYMETHYLMETHACRYLATE IN SUPERCRITICAL TOLUENE AND TETRAHYDROFURAN." In Proceedings of the 4th International Conference. WORLD SCIENTIFIC, 2004. http://dx.doi.org/10.1142/9789812702623_0029.

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Reports on the topic "THF (Tetrahydrofuran)"

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สุวรรณบริรักษ์, คณิต, та สุรัตนา อำนวยผล. การศึกษาทางพฤกษเคมีของต้นข้าวหลาม : รายงานผลการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 1996. https://doi.org/10.58837/chula.res.1996.14.

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Abstract:
ได้ทำการสกัดแยกสารจากเปลือกต้นข้าวหลาม Goniothalamus marcanii Craib โดยใช้วิธีทางโครมาโทกราฟีควบคู่ไปกับผลการทดสอบฤทธิ์ทางชีวภาพ ทำให้สามารถแยกสารได้ 4 กลุ่ม โดยการวิเคราะห์ข้อมูลจากสเปกโทรสโกปีเพื่อพิสูจน์สูตรโครงสร้างทางเคมีของสารที่แยกได้ ทำให้ทราบว่าสารทั้ง 4 กลุ่มคือ 1-azaanthraquinones, flavanoids, triterpenoids และ mono-THF annonaceous acetogenins โดยที่สารกลุ่ม 1-azaanthraquinoes ที่แยกได้เป็นสารชนิดใหม่ 1 ชนิด คือ marcanine C ร่วมกับสารที่ทราบสูตรโครงสร้างแล้ว 2 ชนิด คือ marcanine A และ dielsiquinone ส่วนสารกลุ่ม flavanoids ที่แยกได้เป็นสารที่ทราบสูตรโครงสร้างแล้ว 1 ชนิด คือ pinocembr
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Kittrell, James, and Carl Dupre. Improved Method for the Production of Tetrahydrofuran From Biomass. Office of Scientific and Technical Information (OSTI), 2015. http://dx.doi.org/10.2172/1177724.

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Caplan, Daniel Franz. NMR studies of the conformation and motion of tetrahydrofuran in graphite intercalation compounds. Office of Scientific and Technical Information (OSTI), 1991. http://dx.doi.org/10.2172/10107524.

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