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Статті в журналах з теми "Polyelectrolytes Conductivity"
Chikina, Ioulia, Valeri Shikin, and Andrey Varlamov. "The Ohm Law as an Alternative for the Entropy Origin Nonlinearities in Conductivity of Dilute Colloidal Polyelectrolytes." Entropy 22, no. 2 (February 17, 2020): 225. http://dx.doi.org/10.3390/e22020225.
Повний текст джерелаOstapova, Elena, and Heinrich Altshuler. "Polycalixresorcinarenes as Solid Polyelectrolytes." Advanced Materials Research 787 (September 2013): 148–51. http://dx.doi.org/10.4028/www.scientific.net/amr.787.148.
Повний текст джерелаTakamuku, Shogo, Andreas Wohlfarth, Angelika Manhart, Petra Räder, and Patric Jannasch. "Hypersulfonated polyelectrolytes: preparation, stability and conductivity." Polymer Chemistry 6, no. 8 (2015): 1267–74. http://dx.doi.org/10.1039/c4py01177e.
Повний текст джерелаSingh, Meenakshi, Anil Kumar, Shirley Easo, and B. B. Prasad. "Electrolytic conductivity of crystal violet based quaternary ammonium polyelectrolytes in N,N′-dimethylformamide and dimethyl sulfoxide." Canadian Journal of Chemistry 75, no. 4 (April 1, 1997): 414–22. http://dx.doi.org/10.1139/v97-047.
Повний текст джерелаSiska, David P., and D. F. Shriver. "Li+Conductivity of Polysiloxane−Trifluoromethylsulfonamide Polyelectrolytes." Chemistry of Materials 13, no. 12 (December 2001): 4698–700. http://dx.doi.org/10.1021/cm000420n.
Повний текст джерелаGhazouani, Anis, Sondes Boughammoura, and Jalel M'Halla. "Studies of Electrolytic Conductivity of Some Polyelectrolyte Solutions: Importance of the Dielectric Friction Effect at High Dilution." Journal of Chemistry 2013 (2013): 1–15. http://dx.doi.org/10.1155/2013/852752.
Повний текст джерелаWei, Xingfei, Ruimin Ma, and Tengfei Luo. "Thermal Conductivity of Polyelectrolytes with Different Counterions." Journal of Physical Chemistry C 124, no. 8 (February 6, 2020): 4483–88. http://dx.doi.org/10.1021/acs.jpcc.9b11689.
Повний текст джерелаLopez, Luis G., and Rikkert J. Nap. "Highly sensitive gating in pH-responsive nanochannels as a result of ionic bridging and nanoconfinement." Physical Chemistry Chemical Physics 20, no. 24 (2018): 16657–65. http://dx.doi.org/10.1039/c8cp02028k.
Повний текст джерелаZhu, Tianyu, and Chuanbing Tang. "Crosslinked metallo-polyelectrolytes with enhanced flexibility and dimensional stability for anion-exchange membranes." Polymer Chemistry 11, no. 28 (2020): 4542–46. http://dx.doi.org/10.1039/d0py00757a.
Повний текст джерелаRíos, Hernán E., Luis N. Sepúlveda, and Consuelo I. Gamboa. "Electrical conductivity of cationic polyelectrolytes in aqueous solution." Journal of Polymer Science Part B: Polymer Physics 28, no. 4 (March 1990): 505–11. http://dx.doi.org/10.1002/polb.1990.090280405.
Повний текст джерелаДисертації з теми "Polyelectrolytes Conductivity"
Lilley, Scott J. "Enhancing the conductivity of crystalline polymer electrolytes." Thesis, St Andrews, 2007. http://hdl.handle.net/10023/481.
Повний текст джерелаWang, Shanshan. "Development of solid polymer electrolytes of polyurethane and polyether-modified polysiloxane blends with lithium salts." Akron, OH : University of Akron, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=akron1196139638.
Повний текст джерела"December, 2007." Title from electronic dissertation title page (viewed 01/30/2008) Advisor, Kyonsuku Min; Committee members, Mark Soucek, Kevin A. Cavicchi, Gary R. Hamed, Michael H. Cheung; Department Chair, Sadhan C. Jana; Dean of the College, Stephen Z. D. Cheng; Dean of the Graduate School, George R. Newkome. Includes bibliographical references.
Zapata, Pedro José. "High throughput study of fuel cell proton exchange membranes: poly(vinylidene fluoride)/acrylic polyelectrolyte blends and nanocomposites with zirconium." Diss., Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/33991.
Повний текст джерелаBocharova, Vera. "Electrically Conductive Low Dimensional Nanostructures: Synthesis, Characterisation and Application." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1231161926227-23379.
Повний текст джерелаBocharova, Vera. "Electrically Conductive Low Dimensional Nanostructures: Synthesis, Characterisation and Application." Doctoral thesis, Technische Universität Dresden, 2008. https://tud.qucosa.de/id/qucosa%3A23607.
Повний текст джерелаLin, Chia-Hung, and 林家宏. "Ionic Conductivity and Electrochemical s Reactions of Rigid-Rod Solid Polyelectrolytes." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/38022107140773093720.
Повний текст джерела國立中山大學
材料科學研究所
91
ABSTRACT sPBI is a heterocyclic aromatic polymer assuming a para- catenated backbone yielding a rod-like configuration. Because of its rigidity, this rod-like molecule displays superior mechanical tenacity, thermo-oxidative stability, and solvent resistance. It is also the precursor of rigid-rod solid polyelectrolyte exhibiting high solubility and superior ionic conductivity. Isotropic solution were prepared by dissolving sPBI in distilled methanesulfonic acid containing 0.0, 0.989, 4.76, 9.09, 15.0, 20.0, 23.1 wt. % lithium ion of dopants of LiCF3SO3 or LiN(CF3SO2)2. The room-temperature DC conductivity of sPBI cast film doped with 15.0 wt. % LiN(CF3SO2)2 parallel (�翣|) and transverse (�粻) to the film surface was as large as 8.26×10-6 and 1.84×10-7 S/cm, respectively. The concentration of 15.0 wt. % lithium ion was considered to be the critical concentration; and LiN(CF3SO2)2 was the more effective dopant. Scanning electron microscopy micrograph of a cut edge of the film displayed a layered structure parallel to the film surfaces, thus the parallel DC conductivity (�翣|) was batter than the transverse DC conductivity (�粻) of the same film. Because the dissociation energy of lithium salt and the relation of temperature and conductivity, we proved that sPBI film had ionic conduction. We used cyclic voltammetry with non-blocking electrode and without auxiliary electrolyte to study the electrochemical reactions of the sPBI rigid-rod solid polyelectrolyte.
Chen, Chien-Chang, and 陳建彰. "Chemical Synthesis and Ionic Conductivity of Water-Soluble Articulated Rigid-Rod Solid Polyelectrolytes." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/73559897782059643859.
Повний текст джерела國立中山大學
材料科學研究所
91
A water-soluble rigid-rod polyelectrolyte sPBI-PS(Li+) could be doped with LiI and cast as a freestanding film from aqueous solution showing a room-temperature in-plane DC conductivity (�������n) of 8.3╳10-3 S/cm. However, the cast film assumed an anisotropic microstructure due to nematic liquid-crystalline rigid-rod backbone leading to an out-of-the plane DC conductivity (����) which was three orders smaller than those of the ������, and severely limited its applications as a solid polyelectrolyte for thin-film battery. 2-Sulfo-terephthalic acid and 5-sulfo-isophthalic acid in ratios of 5:1, 15:1, 25:1, or 50:1 were synthesized via copolycondensation reaction making the rigid-rod backbone of sPBI-PS(Li+) become articulated. Further reaction with 1,3-propanesultone pendants, the rigid-rod polyelectrolyte was changed into a new water-soluble articulated rigid-rod polyelectrolyte a-sPBI-PS(Li+). Various analyses were applied to ascertain chemical structure and purities of synthesized monomers and polymers. The copolymer conductivity and intrinsic viscosity would decrease with increasing the articulation ratio. For a-sPBI-PS(Li+), LiClO4 was a better dopant, compared to LiI, to enhance conductivity. a-sPBI-PS(Li+) (25:1) doped LiI had a room-temperature conductivity as high as 4.7´10-3 S/cm. No layered structure was revealed by wide-angle X-ray scattering and scanning electron microscope. The cast thin-film thus had 3-dimensionally isotropic structure and electrical conductivity.
Sun, Ju-Pin, and 孫如彬. "Chemical Synthesis and Ionic Conductivity of Water-SolubleRigid-Rod and Articulated Rigid-Rod Solid Polyelectrolytes." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/24000426847352258497.
Повний текст джерела國立中山大學
材料科學研究所
89
ABSTRACT A water-soluble rigid-rod polyelectrolyte sPBI-PS(Li+) could be doped with LiI and cast as a freestanding film from aqueous solution showing a room-temperature in-plane DC conductivity (s|| ) of 8.3╳10-3 S/cm. However, the cast film assumed an anisotropic microstructure due to preferential orientation of the rigid-rod backbone leading to an out-of-the plane DC conductivity (s^) which was three orders smaller than those of the s||, and severely limited its applications as a solid polyelectrolyte for thin-film battery. In addition to synthesizing rigid-rod polyelectrolyte sPBI-PS(Li+) for comparison, this study used 2-sulfo-terephthalic acid and isophthalic acid in ratios of 15:1, 25:1, or 50:1 for copolycondensation reaction making the rigid-rod backbone of sPBI-PS(Li+) become articulated. Further reaction with 1,3-propanesultone pendants, the rigid-rod polyelectrolyte was changed into a new water-soluble articulated rigid-rod polyelectrolyte A-sPBI-PS(Li+). Various analyses were applied to ascertain chemical structure, purities, thermal properties and molecular weight of synthesized monomers and polymers. Freestanding films of sPBI-PS(Li+) and A-sPBI-PS(Li+) were cast from aqueous solutions doped with LiI, LiBF4, or LiCF3SO3 for various concentrations up to 5 wt.%. Thin-film room-temperature s|| of sPBI-PS(Li+) could be 3.15´10-3 S/cm, and of A-sPBI-PS(Li+) could be 2.76´10-3 S/cm. X-ray scattering and electron microscopic results suggested that the sPBI-PS(Li+) cast film was in-plane isotropic but out-of-the plane anisotropic, and the A-sPBI-PS(Li+) cast film was three-dimensionally isotropic.
Du, Yue-Lin, and 杜岳霖. "Chemical Synthesis and Ionic Conductivity of Water-Soluble Articulated Rigid-Rod Polyelectrolytes Derivatized with Sulfonated Ionomer Pendants." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/50733740246668114282.
Повний текст джерела國立中山大學
材料科學研究所
93
Articulated rigid-rod polymers asPBI were synthesized via polycondensation reaction. Using 2-sulfoterephthalic acid and 5-sulfoisophthalic acid in different ratios for copolycondensation reaction making the fully conjugated rigid-rod backbone became articulated. Both rigid-rod and articulated rigid-rod were further derivatized using alkane sulfonated pendants and became water-soluble rigid-rod and articulated rigid-rod polyelectrolytes. Lithium salt doped cast films of the polyelectrolytes showed a root-temperature DC conductivity parallel to film surface (
Tsay, Pei-yun, and 蔡珮芸. "Chemical Synthesis and Ionic Conductivity of Water-Soluble Rigid-Rod Solid Polyelectrolytes with Aspect Ratio and Pendant Modifications." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/04523684329511900792.
Повний текст джерела國立中山大學
材料科學研究所
93
Polycondensation reaction was carried out for synthesizing rigid-rod polymer hPBI. Various molar ratios (50:1, 25:1, and 15:1) of 2-hydroterephthalic acid and 5-hydroisophthalic acid were also introduced in the synthesis for articulated rigid-rod polymer a-hPBI. The polymers were further derivatized with 1,3-propanesulton for pendants of lithium ionomer to become water soluble polyelectrolytes hPBI-PS(Li+) and a-hPBI-PS(Li+), respectively. Lithium salt doped cast film of the rigid-rod polyelectrolyte hPBI-PS(Li+) showed a room-temperature DC conductivity parallel to film surface as high as 4.02×10-3 S/cm. Molecular weight of the rigid-rod polyelectrolyte was low indicating a small molecular aspect ratio. In cast film, the molecules were randomly distributed and highly isotropic facilitated Li cations mobility for a high film conductivity. The conductivity was also insensitive to the anion of lithium salt. No apparent layered structure was revealed by scanning electron microscope suggesting that the cast films had near three-dimensionally isotropic structure and conductivity.
Частини книг з теми "Polyelectrolytes Conductivity"
Litt, Morton, Sergio Granados-Focil, and Junwon Kang. "Rigid Rod Polyelectrolytes with Frozen-In Free Volume: High Conductivity at Low RH." In ACS Symposium Series, 49–63. Washington, DC: American Chemical Society, 2010. http://dx.doi.org/10.1021/bk-2010-1040.ch004.
Повний текст джерелаSchönhoff, Monika, and Cornelia Cramer. "Conductivity Spectra of Polyelectrolyte Multilayers Revealing Ion Transport Processes." In Multilayer Thin Films, 321–36. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527646746.ch14.
Повний текст джерелаSu, Na, Heng Xu, and Zhengmin Cao. "Effects of Polymerization Variables on the Electrical Conductivity of Polypyrrole–Anionic Spherical Polyelectrolyte Brush (PPy/ASPB) Composite." In Advanced Graphic Communications, Packaging Technology and Materials, 875–82. Singapore: Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-10-0072-0_108.
Повний текст джерелаKavitha, E. "Advanced Functional Membranes for Energy Applications." In Advanced Functional Membranes, 237–66. Materials Research Forum LLC, 2022. http://dx.doi.org/10.21741/9781644901816-8.
Повний текст джерелаТези доповідей конференцій з теми "Polyelectrolytes Conductivity"
Alhajeri, Mubarak Muhammad, Jenn-Tai Liang, and Reza Barati Ghahfarokhi. "Polyelectrolyte Multilayered Nanoparticles as Nanocontainers for Enzyme Breakers During Hydraulic Fracturing Process." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205981-ms.
Повний текст джерелаAnandan, Rudhra, Reza Barati, and Stephen Johnson. "Polyelectrolyte Complex Stabilized CO2 Foam Systems for Improved Fracture Conductivity and Reduced Fluid Loss." In SPE International Hydraulic Fracturing Technology Conference and Exhibition. Society of Petroleum Engineers, 2018. http://dx.doi.org/10.2118/191424-18ihft-ms.
Повний текст джерела