Bibliografías temáticas / Perfluoropolyalkylether

Literatura académica sobre el tema "Perfluoropolyalkylether"

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Publicado: 14 de marzo de 2023

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Artículos de revistas sobre el tema "Perfluoropolyalkylether"

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Schwartz, M. "Viscosity prediction for perfluoropolyalkylether fluids". Journal of Fluorine Chemistry 83, n.º 1 (junio de 1997): 9–13. http://dx.doi.org/10.1016/s0022-1139(96)03567-1.

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Gschwender, Lois J. y Carl E. Snyder. "U.S. Air Force Perfluoropolyalkylether Experiences". Tribology Transactions 52, n.º 2 (13 de febrero de 2009): 165–70. http://dx.doi.org/10.1080/10402000802065360.

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O’Connor, Teresa M., Young R. Back, Myung S. Jhon, Byung G. Min, Do Y. Yoon y Thomas E. Karis. "Surface diffusion of thin perfluoropolyalkylether films". Journal of Applied Physics 79, n.º 8 (1996): 5788. http://dx.doi.org/10.1063/1.362189.

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Sharma, Shashi K., Lewis Rosado, Erik Höglund y Bernard J. Hamrock. "Rheology of Perfluoropolyalkylether Fluids in Elastohydrodynamic Lubrication". Tribology Transactions 38, n.º 4 (enero de 1995): 769–80. http://dx.doi.org/10.1080/10402009508983470.

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Sharma, Shashi K., Bruce Schreiber y Pradeep K. Gupta. "On the Traction Behavior of Perfluoropolyalkylether Fluids". Tribology Transactions 40, n.º 2 (enero de 1997): 273–78. http://dx.doi.org/10.1080/10402009708983655.

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Bonneaud, Céline, Jon Howell, Roberta Bongiovanni, Christine Joly-Duhamel y Chadron M. Friesen. "Diversity of Synthetic Approaches to Functionalized Perfluoropolyalkylether Polymers". Macromolecules 54, n.º 2 (16 de enero de 2021): 521–50. http://dx.doi.org/10.1021/acs.macromol.0c01599.

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Ma, X., J. Gui, L. Smoliar, K. Grannen, B. Marchon, M. S. Jhon y C. L. Bauer. "Spreading of perfluoropolyalkylether films on amorphous carbon surfaces". Journal of Chemical Physics 110, n.º 6 (8 de febrero de 1999): 3129–37. http://dx.doi.org/10.1063/1.477909.

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Gu, Guotuan, Minghua Yu, Weidong Meng y Feng-Ling Qing. "Surface activity of perfluoropolyalkylether N,N-diphenylamide (PFPEA)". Journal of Materials Science 42, n.º 20 (26 de junio de 2007): 8537–43. http://dx.doi.org/10.1007/s10853-007-1756-x.

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Ma, X., J. Gui, L. Smoliar, K. Grannen, B. Marchon, C. L. Bauer y M. S. Jhon. "Complex terraced spreading of perfluoropolyalkylether films on carbon surfaces". Physical Review E 59, n.º 1 (1 de enero de 1999): 722–27. http://dx.doi.org/10.1103/physreve.59.722.

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Gschwender, Lois, Carl E. Snyder, Mary Oleksiuk y Michael Koehler. "Computational Chemistry of Soluble Additives for Perfluoropolyalkylether Liquid Lubricants". Tribology Transactions 39, n.º 2 (enero de 1996): 368–73. http://dx.doi.org/10.1080/10402009608983540.

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Tesis sobre el tema "Perfluoropolyalkylether"

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Bonneaud, Céline. "Synthesis and Photopolymerization of Novel Perfluoropolyalkylethers". Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTS063.

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Depuis des années, les perfluoropolyalkyléthers (PFPAEs) ont démontré de multiples facettes. Ils sont utilisés dans de nombreux secteurs et actuellement en recherche dans de multiples secteurs de pointe comme l’imagerie médicale (IRM), les réacteurs microfluidiques, les vitrimères ou encore pour des revêtements haute-performance. Ma thèse s’inscrit dans le cadre du projet européen PhotoFluo. Ce projet est partagé entre trois équipes de recherche : Trinity Western University (Langley, Canada), Politecnico di Torino (Turin, Italie) et l’Ecole Nationale Supérieure de Chimie de Montpellier. Le but du projet est de synthétiser des polymères fluorés de type PFPAEs, téléchéliques par ouverture de cycle anionique. Ensuite, ces produits sont fonctionnalisés pour obtenir des bouts de chaîne capables de réagir sous rayonnement UV. Après avoir réalisé un état de l’art de ces polymères fluorés appelés perfluoropolyalkyléthers, nous nous sommes consacrés à la synthèse et photopolymérisation d’esters α,β-insaturés en copolymérisation avec des éthers vinyliques et la synthèse et homo-photopolymérisation des maléimides ainsi que leur copolymérisation avec des éthers vinyliques. Leurs photopolymérisations respectives en tant qu’additifs ou seuls, ont permis de démontrer que ces nouveaux PFPAEs sont convertis aussi rapidement que leurs équivalents méthacrylates et même sans photoamorceur. Leur tenue thermique ainsi que leurs propriétés de surface ont été étudiées et prouvées être similaires ou supérieures aux systèmes précédents. Les maléimides ont par exemple démontré une très bonne tenue thermique pour être utilisés en tant que réacteur microfluidique à plus haute température. Dans le cadre du projet PhotoFluo, nous nous sommes aussi attardés sur la synthèse de monomères téléchéliques fluorés, la synthèse de monoépoxyde et diépoxyde pour la photopolymérisation par voie cationique, la purification par chromatographie de différents monomères photoréticulables et pour finir la synthèse de méthacrylates multifonctionnels en vue de leur photolithographie. Pour finir, afin d'élargir le champ d'application de nos perfluoropolyalkyléthers maléimides précédemment synthétisés, ces derniers ont été testés en vue d'une potentiellement application en tant que revêtement auto-cicatrisant par réaction de Diels-Alder
For years, perfluoropolyalkylethers (PFPAEs) demonstrated to be useful for a plethora of applications in numerous fields and are still under investigation for advanced technology materials for medical imaging, microfluidic devices, vitrimers or also high-performance coatings. This PhD thesis was realized in the framework of the PhotoFluo European project. This project is divided into three research teams: Trinity Western University (Langley, Canada), Politecnico di Torino (Torino, Italy) and ENSCM. The aim of the project is to synthesize telechelic PFPAEs by anionic ring-opening. Then, these products were functionalized to obtain photocurable substituents. After a review of the synthesis, properties, functionalization and applications, we devoted to the synthesis and photopolymerization of α,β-unsaturated esters in copolymerization with vinyl ethers and the synthesis and photo-homopolymerization of maleimides as well as their copolymerization with vinyl ethers. Their photopolymerization neat or as additives, demonstrated that these novel PFPAEs were able to photopolymerize as fast as their already used methacrylates homologues and even without photoinitiator. Their thermal stability as well as their surface properties were investigated and revealed to similar or superior than previous systems. For example, maleimide PFPAEs displayed an excellent thermal stability to be employed as microfluidic devices for high temperature reactions. In the PhotoFluo project, we focused on the synthesis of monoepoxy and diepoxy for the photopolymerization by cationic processes, the purification by chromatography of photocurable PFPAEs and finally, the synthesis of multifunctional methacrylate in view of photolithographic processes. To explore new horizons for our previously synthesized maleimide PFPAEs, these ones have been tested as potential self-healable coatings
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Libros sobre el tema "Perfluoropolyalkylether"

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Morales, Wilfredo. Perfluoropolyalkylether decomposition on catalytic aluminas. [Washington, D.C.]: National Aeronautics and Space Administration, 1994.

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Morales, Wilfredo. Perfluoropolyalkylether decomposition on catalytic aluminas. [Washington, D.C.]: National Aeronautics and Space Administration, 1994.

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3

Morales, Wilfredo. Surface catalytic degradation study of two linear perfluoropolyalkylethers at 345 (degrees) C. Cleveland, Ohio: Lewis Research Center, 1987.

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4

United States. National Aeronautics and Space Administration. Scientific and Technical Information Division., ed. Surface catalytic degradation study of two linear perfluoropolyalkylethers at 345C. [Washington, DC]: National Aeronautics and Space Administration, Scientific and Technical Information Division, 1988.

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5

National Aeronautics and Space Administration (NASA) Staff. Perfluoropolyalkylether Decomposition on Catalytic Aluminas. Independently Published, 2018.

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6

Physical and chemical properties of some new perfluoropolyalkylether lubricants prepared by direct fluorination. [Washington, DC]: National Aeronautics and Space Administration, 1993.

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Capítulos de libros sobre el tema "Perfluoropolyalkylether"

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CARRÉ, DAVID J. "THE USE OF SOLID CERAMIC AND CERAMIC HARD-COATED COMPONENTS TO PROLONG THE PERFORMANCE OF PERFLUOROPOLYALKYLETHER LUBRICANTS". En Metallurgical Coatings and Thin Films 1990, 609–17. Elsevier, 1990. http://dx.doi.org/10.1016/b978-1-85166-813-7.50065-6.

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Actas de conferencias sobre el tema "Perfluoropolyalkylether"

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Hsiao, Hsing-Sen S., Shashi K. Sharma y Bernard J. Hamrock. "Pressure-Temperature-Viscosity and Elastohydrodynamic Characteristics of Two Perfluoropolyalkylether Fluids". En International Fuels & Lubricants Meeting & Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1992. http://dx.doi.org/10.4271/922344.

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Ono, Kyosuke. "Diffusion Equation for Spreading and Replenishment in Submonolayer Lubricant Film". En ASME 2014 Conference on Information Storage and Processing Systems. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/isps2014-6915.

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It is important to evaluate the lubrication and replenishment effects of the submonolayer mobile lubricant in hard disk drives because increased recording density can only be achieved through near-contact or surfing recording without head wear. It is known that the minimum friction coefficient can be obtained at a specific bonding ratio [1]. In recent times, the lubricant thickness has been reduced to one monolayer and the thickness of the mobile lubricant layer, to less than 0.3 nm to reduce lubricant pickup on the head surface. Matthes et al. [2] shown that a certain fraction of the layer of currently used mobile lubricants with multiple polar groups is important for reducing head wear. Canchi and Bogy [3] experimentally studied the depletion caused by thermal flying height control (TFC) head contact and reflow speed for various lubricants. Although the diffusion characteristics of perfluoropolyalkylether (PFPE) lubricants layers with a thickness of a few nanometers can be evaluated by a diffusion equation based on continuum mechanics [4], the validity of the conventional equation in the submonolayer lubricant region is not clear. Mate [5] showed that the spreading of a pancake-shaped Z-dol lubricant layer with subnanometer thickness can be quantitatively evaluated by a diffusion equation based on continuum mechanics. Ono [6] showed that the replenishment process of a depleted groove generated by slider touchdown operation can be fairly evaluated by the conventional diffusion equation if the effective ratio of the Hamaker constant to the lubricant viscosity is properly chosen. However, the identified effective viscosity is too high to be estimated from other experimental data [5, 7]. Moreover, the validity of the diffusion equation based on continuum mechanics remains unclear in the submonolayer region.
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Informes sobre el tema "Perfluoropolyalkylether"

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Carre, David J. Perfluoropolyalkylether Oil Degradation: Inference of FeF3 Formation on Steel Surfaces under Boundary Conditions. Fort Belvoir, VA: Defense Technical Information Center, agosto de 1985. http://dx.doi.org/10.21236/ada159261.

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