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Dissertations / Theses on the topic 'Polystyrene sulfonated'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Huang, Chongwen. "Rheology of Oligomeric Sulfonated Polystyrene Ionomers." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1471281020.

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2

Zhang, Huan. "Properties and Structures of Sulfonated Syndiotactic Polystyrene Aerogel and Syndiotactic Polystyrene/Silica Hybrid Aerogel." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1405298489.

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3

Buyukyagci, Arzu. "Synthesis And Characterization Of Monoacetylferrocene Added Sulfonated Polystyrene Ionomers." Master's thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/3/1108026/index.pdf.

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Incorporation of monoacetylferrocene to the sulfonated polystyrene ionomers imparted some changes in the properties of sulfonated polystyrene. Sulfonation was carried out by acetic anhydride and concentrated sulphuric acid. The sulfonation reaction and the degree of sulfonation were determined by analytical titration and adiabatic bomb calorimeter . For this purpose, sulfonated polystyrene (SPS) samples with varying percentages of sulfonation were prepared between 0.85% and 6.51%. Monoacetyl ferrocene was used in equivalent amount of sulfonation through addition procedure. FTIR Spectroscopy wa

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4

LI, XINDI. "MODIFICATION OF SULFONATED SYNDIOTACTIC POLYSTYRENE AEROGELS THROUGH IONIC INTERACTIONS." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1525801145416997.

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5

Cui, Xiaoyu. "POLYCATION REINFORCED SULFONATED SYDIOTACTIC POLYSTYRENE GELS& SELF-HEALING LATEX CONTAINING POLYELECTROLYTE MULTILAYERS." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1495204173832965.

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6

Benson, Sonya Denese. "The Effect of Nanoscale Particles and Ionomer Architecture on the Crystallization Behavior of Sulfonated Syndiotactic Polystyrene." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/26137.

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Semicrystalline ionomers are an important class of polymers that are utilized in a wide range of applications. The particular end-use applications of these materials are determined by their chemical, physical, and thermomechanical properties which are directly related to their crystallization behavior. It is therefore critical to identify structure-property relationships for these materials. Sulfonated syndiotactic polystyrene (SsPS) is used as a model semicrystalline ionomer and two approaches are utilized to control the rate of crystallization of the SsPS ionomer in the presence of ionic

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7

Fahs, Gregory Bain. "The Effect of Ionomer Architecture on the Morphology in Gel State Functionalized Sulfonated Syndiotactic Polystyrene." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/97193.

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This dissertation presents a discussion of blocky and randomly functionalized sulfonated syndiotactic polystyrene copolymers. These copolymers have been prepared over a range of functionalization (from 2% to 10%) in order to assess the effect of the incorporation of these polar side groups on both the thermal behavior and morphology of these polymer systems. The two different architectures are achieved by conducting the reaction in both the heterogeneous gel-state to obtain blocky copolymers and in the homogeneous solution state to obtain randomly functionalized copolymers. In order to compare

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8

Cai, Liang. "GRAFT COPOLYMER AEROGELS FROM SULFONATED SYNDIOTACTIC POLYSTYRENE FUNCTIONALIZED WITH A QUATERNARY PHOSPHONIUM-CONTAINING RAFT AGENT." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1468851884.

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9

Merche, Delphine. "Synthèse et caractérisation de couches de polystyrène et de polystyrène sulfoné obtenues par polymérisation-plasma à pression (sub)-atmosphérique." Doctoral thesis, Universite Libre de Bruxelles, 2011. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209871.

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Lors de ce travail, de fins films de polystyrène ont été déposés dans la post-décharge d’une torche plasma atmosphérique commerciale, mais aussi dans la décharge d’une DBD (Décharge à Barrière Diélectrique), conçue et développée par nos soins au laboratoire. Une DBD est un procédé permettant d’obtenir des plasmas froids à pression atmosphérique. <p><p>Nos résultats ont montré que la DBD permettait d’obtenir des films de polystyrène de meilleure qualité (degré d’oxydation moindre…) qu’avec la torche commerciale en raison de l’atmosphère contrôlée de l’enceinte DBD. Les films sont déposés en pré

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Proença, Marcela Pinheiro. "Desenvolvimento de membranas íon-seletivas com poliestireno sulfonado e polianilina dopada para a aplicação em eletrodiálise." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/18585.

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Atualmente, a preocupação com a redução da poluição industrial tem motivado os pesquisadores na busca de novas tecnologias para o tratamento de resíduos industriais. Tecnologias limpas, como a eletrodiálise, são capazes de tratar alguns destes resíduos, como por exemplo o efluente da indústria de galvanoplastia, minimizando os impactos que ocorreriam caso eles fossem descartados diretamente no meio ambiente. O componente principal desta técnica é a membrana na qual ocorre a etapa de retirada dos íons da solução. Atualmente estas membranas são importadas e caras, o que justifica o desenvolvimen

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11

Silva, Marcelo Castanheira da. "Propriedades ópticas do poliestireno sulfonado dopado com íons de neodímio." Universidade Federal de Uberlândia, 2006. https://repositorio.ufu.br/handle/123456789/15649.

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Fundação de Amparo a Pesquisa do Estado de Minas Gerais<br>In this work we present the synthesis and optic characterization of sulfonated polystyrene films (PSS) doped with ions of neodymium (Nd). The synthesis has a low cost and a simple route. The used dopant was the neodymium nitrate. The maximum incorporation of ions Nd3+ in the matrix, gotten in the synthesis of the films, was around 14.0 %. The absorption spectra in UV-Vis-NIR of the films of Nd-PSS had presented the characteristic bands for neodymium in aqueous solution. The FTIR spectra had presented a significant widening of the bands

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12

Omena, Thiago Henrique. "Argamassa modificada com poliestireno sulfonado a partir de copos plásticos descartados." Universidade Federal de Uberlândia, 2012. https://repositorio.ufu.br/handle/123456789/14177.

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The presents study results of the addition of sulfonated polystyrene, derived from discarded plastic cups as additive in mortars. The mortar were studied with polystyrene content of 0.0, 0.2, 0.6, 1.0 and 1.4% (relative to the mass of cement). CPV - ARI Portland cement and sand washed were used at rate 1:4 by weight. It was determined consistency index, water retention, water absorption, void index, static modulus of elasticity, compressive strength, tensile strength in bending and adhesion. The mortar modified with the additive showed increase in the porosity, tensile strength in bending, adh

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13

Levy, Florence. "Fonctionnalisation d'un latex de polystyrène par un monomère chloré : le bis 2 chloroéthyl-itaconate." Lyon 1, 1987. http://www.theses.fr/1987LYO10538.

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Fonctionnalisation superficielle du polystyrene par bis 2-chloro ethyl-itaconate. Determination des constantes cinetiques et physicochimiques. Etude de la copolymerisation avec le styrene et l'acrylate de butyle

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14

Hansch, Markus [Verfasser]. "Investigations on polystyrene sulfonates and polyacrylates in the presence of specifically interacting cations / Markus Hansch." Paderborn : Universitätsbibliothek, 2017. http://d-nb.info/1135660913/34.

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15

Rýcová, Eva. "Difúzní vlastnosti opačně nabitých organických molekul v roztocích hydrofilních polyelektrolytů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2016. http://www.nusl.cz/ntk/nusl-240539.

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This work is focused on physical interactions of negatively charged polymers with small ionogenic fluorescent molecules. Trying to verify the presence of these interactions using fluorescence correlation spectroscopy (FCS) and provides a comprehensive view of the problem. The aim of this work is to observe the effect of concentration on the diffusion properties. P/D ratio, where P represents number of polymer binding sites and D number of dye binding sites, was chosen for this issue. Hyaluronate, sodium chondroitin sulfate and sodium polystyrene sulfonace were used as polymers and Acridine Ora

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16

Roach, Necrisha. "The Development of a Novel Multi-dimensional Product for Wound Healing Applications." VCU Scholars Compass, 2010. http://scholarscompass.vcu.edu/etd/2131.

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A characteristic feature of chronic wounds is a prolonged inflammatory response as well as susceptibility to infection. Studies have shown that during the inflammatory response, there is a significant increase in the levels of neutrophil-derived enzymes. The purpose of this work was to determine whether the anionic macromolecule polystyrene sulfonate (PSS) and five of its salt forms, namely PSS-calcium, PSS-chlorhexidine, PSS-doxycycline, PSS-glutathione and PSS-silver are able to inhibit the activity of three of the enzymes whose levels are elevated in chronic wounds: elastase, cathepsin G an

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17

Lorchat, Philippe. "Structure des solutions aqueuses de polyélectrolytes fortement chargés." Phd thesis, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00759325.

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Nous étudions la structure des solutions concentrées de polyélectrolytes (PE). Celle-ci n'a fait l'objet que de rares études expérimentales et aucun ordre d'orientation n'a jamais pu être observé dans les solutions de PE flexibles et semi-flexibles, bien que des travaux théoriques, basés sur l'approche d'Onsager, prévoient l'apparition d'une phase nématique aux fortes concentrations. Nous avons mesuré la position q* dans l'espace réciproque du pic présent dans la fonction de corrélation des solutions de PE fortement chargés obtenue par diffusion de rayonnement (DXPA et DNPA), et avons confront

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18

Dejeu, Jérôme. "Films de deux polymères auto-assemblés : chlorhydrate de polyallylamine (PAH) et polystyrène sulfonate de sodium (PSS) : mécanisme de croissance et stabilité." Besançon, 2007. http://www.theses.fr/2007BESA2005.

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Le mécanisme et la stabilité d’auto-assemblage de deux polyélectrolytes (PAH et PSS) en vue de la nano-encapsulation ont été essentiellement étudiés par réflectométrie laser à angle fixe. Cette technique se révèle très utile pour quantifier la masse de polymère adsorbé en fonction du temps sur un substrat. Dans un premier temps, plusieurs méthodes, de conversion du signal réflectométrique en quantité adsorbée, ont été présentées. Ainsi, ans le cas de film monocouche, une nouvelle approche de conversion des signaux est nécessaire afin de prendre en compte un fort changement d’indice de la solut

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19

Leroux, Amélie. "Implant ligamentaire bioactif et biodégradable : élaboration, fonctionnalisation et étude des mécanismes." Thesis, Sorbonne Paris Cité, 2019. http://www.theses.fr/2019USPCD054.

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La rupture du ligament croisé antérieur du genou est une affection fréquente qui survient majoritairement chez des sujets jeunes et sportifs. Une fois rompu, en raison de sa localisation intra articulaire et de la pauvreté de sa vascularisation, ce ligament ne cicatrise pas spontanément. Le traitement chirurgical de référence, l’autogreffe, présente de nombreux inconvénients et les travaux de recherche se tournent vers le développement d’implants ligamentaires synthétiques. Dans ce contexte, l’objectif de la thèse était d’étudier la possibilité d’élaborer un nouveau ligament bioactif et biodég

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Wilson, Krista Marie. "Micellar and Sub-Micellar Chromatography with a Cocamidopropyl Betaine Surfactant." Miami University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=miami1632000340907763.

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21

Braendlein, Marcel. "Lithographic fabrication, electrical characterization and proof-of-concept demonstration of sensor circuits comprising organic electrochemical transistors for in vitro and in vivo diagnostics." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEM007/document.

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Grâce à leurs excellentes propriétés mécaniques, électriques et chimiques, les dispositifs organiques électroniques à base de polymères conducteurs peuvent résoudre l’incompatibilité entre les modules électroniques rigides en silicone et les exigences des tissus mous qui constituent l’environnement biologique. Les avancées en matière de semiconducteurs organiques et en microélectronique ont donné naissance à la bioélectronique. Cette discipline emploie des capteurs à des ﬁns diagnostiques, telles que la détection des métabolites ou la mesure d’un potentiel d’action neuronal, et des actionneurs

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22

Zeman, Jan. "Studium interakcí polyelektrolytů s kladně nabitými dusíkatými amfifilními látkami." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2013. http://www.nusl.cz/ntk/nusl-216955.

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The study deals with interactions of polyelectrolytes polystyrene sulfonate and hyaluronic acid with nitrogenic amphiphilic substances, represented by lysine and albumine. To study the interactions pH-metry, conductance, viscositic and turbidity measurement, DLS and reometry were used. All mixtures of different concentrations were measured and the data were compered with data obtained from measurement of samples with amphiphilic sumstances without polyelectrolytes. Observed interactions occured in the aminoacid concentrations between 0 to 20 mmoldm-3, then the PSS interaction groups were fully

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23

Burdíková, Jana. "Fosfolipidy jako základ biodegradabilních nosičových systémů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2013. http://www.nusl.cz/ntk/nusl-216959.

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This thesis is focused on investigation of phospholipid-hyaluronan system. First, appropriate method for preparation of bulk solution of phospholipid/lipid and suitable fluorescence probe were chosen. Sonification was selected as a method for preparation of bulk solution and pyrene was chosen as a fluorescence probe. From the group of phospholipids lecithin was selected. Next to phospholipid, lipid with no phosphate group (DPTAP) was utilized for comparison, alternatively a mixture of lipid (DPTAP) and phospholipid (DPPC). Instead of hyaluronan another polyelectrolytes (sodium polystyrene sulf

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24

Stiborský, Filip. "Srovnávací studie interakcí tenzidů s hyauronanem a jinými polyelektrolyty." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2012. http://www.nusl.cz/ntk/nusl-216817.

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In this diploma thesis, the interactions between polyelectrolyte and surfactant at low and also at high concentration were studied. There was used pyrene as fluorescent probe during the fluorescence spectroscopy measurement, a cationic surfactant cetyltrimethylammonium bromide and as a main polyelectolyte has been chosen sodium polystyrene sulfonate at 1 MDa molecular size. In the medium containing 0.15 M NaCl we could observed a creation of the complexes – precipitates in the surrounding of CMC concentration and behind of this concentration. In the mixtures containing sodium polystyrene sulfo

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Mikolášová, Kristýna. "Studium bariérových a transportních vlastností vybraných polyelektrolytů v hydrogelových matricích pomocí difúzních technik." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2017. http://www.nusl.cz/ntk/nusl-316195.

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This diploma thesis was focused on study of barrier and transport properties of selected polyelectrolytes in hydrogel matrices by using diffusion techniques. The study of these properties was performed in horizontal diffusion cells where is observed the change in diffusion probe concentration over time. Diffusion experiments were performed on an agarose hydrogel with the addition of alginate, hyaluronic acid, polystyrene sulfonate, humic acids and as a model probe rhodamine 6G was used. Important parts of this thesis are also the methods which characterize the substances and hydrogel matrices

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Střondalová, Hana. "Ionogenní fluorescenční sondy ve výzkumu koloidních systémů." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2013. http://www.nusl.cz/ntk/nusl-216960.

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This diploma thesis studied the interaction of ionic and amphiphilic fluorescent probes with polyelectrolytes. The research of such colloidal system could be helpful in deeper understanding of interactions between polyelectrolytes and surfactants. The aim of this thesis was to determine whether ionic or amphiphilic probes are suitable for this research. Two polyelectrolytes, sodium polystyrene sulfonate and hyaluronan were used in this study. Interactions of polyelectrolytes with fluorescent probes (4-Di-2-Asp, methylene blue, dodecyl acridine orange, DiO and DiA) were studied in this work. Th

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Kotouček, Jan. "Charakterizace koloidních částic pomocí deprotonace v excitovaném stavu za použití pokročilých fluorescenčních technik." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2016. http://www.nusl.cz/ntk/nusl-240582.

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The deprotonation characteristics of fluorescent probes -naphthol and 8-hydroxypyrene-1,3,6-trisulphonic acid (HPTS) were studied in this diploma thesis, using steady-state and time-resolved fluorescence spectroscopy. Two cationic surfactants, Septonex and cetyltrimethylammonium bromide (CTAB), were studied. These surfactants were measured in the complex with hyaluronan (1.75 MDa, 1 MDa and 300 kDa). Steady-state fluorescence was used for determination of critical aggregation concentration of each surfactant and pKa*. Time-resolved fluorescence decays were used to calculate the average lifetim

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Papežíková, Hana. "Potenciál využití semi-interpenetrovaných polymerních sítí na bázi poly-HEMA v moderních nosičových systémech." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-449370.

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Wang, Chih-Ting, and 王誌亭. "Crosslinked Sulfonated Polystyrene-block-poly（ethylene-ran-butylene）-block-polystyrene as Proton Exchange Membrane." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/11462816041025156592.

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碩士<br>國立臺灣大學<br>材料科學與工程學研究所<br>99<br>The major purposes of this thesis are to prepare crosslinked sulfonated poly(styrene-block-(ethylene-ran-butylene)-block-styrene) (sSEBS) membranes as the proton conducting membranes for proton exchange membrane fuel cells (PEMFCs) and direct methanol fuel cells (DMFCs) as well as to investigate the properties and the microstructure of the crosslinked membranes. Two parts of studies are presented using non-sulfonated (Part I) or sulfonated (Part II) multi-functional alcohols as crosslinkers. Crosslinking occurs within the sulfonated polystyrene (sPS) domain

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Tseng, Wei-chin, and 曾威搢. "Synthesis of Sulfonated Polystyrene and its Application in Electrospinning." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/62217738068891903258.

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碩士<br>逢甲大學<br>紡織工程所<br>97<br>In this research, we used acetyl sulfate as the sulfonating agent. By controlling the content of acetyl sulfate, we prepared sulfonated polystyrene(SPS) of different degree of sulfonation, and the highest degree of sulfonation was obtained. Dissolved in Tetrahydrofuran(THF) and N,N-Dimethyl Formamide(DMF) mixed solvent, the solution was then electro-spun and a filter is made. From the experiments, with the voltage 18kV and distance 16cm (electric field 1.12 kV/cm), the viscosity of the polymer solution made from SPS 17g (17 w/v %) and DMF/THF volume ratio equals

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Chao, Li-Wei, and 趙立偉. "Sulfonated Polystyrene Membrane Blended with Ionic Liquid for PEM Fuel Cells Application." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/34167671249726962788.

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碩士<br>國立高雄大學<br>化學工程及材料工程學系碩士班<br>98<br>The subject of this study is to blend sulfonated polystyrene membrane with ionic liquids for PEM fuel cells application. The proton conductivity of the composite membranes can reach to the order of 10-2 S/cm in a relatively high temperature. The characteristic properties of composite membranes are also investigated including water uptake and proton conductivity. Polystyrene is sulfonated by acetyl sulfate, and the end of the branch of polystyrene is sulfonic acid group. The proton exchange composite membranes are prepared by sulfonated polystyrene blende

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WANG, GUAN-ZHI, and 王冠智. "The characterization of micro-structure of ultra-high molecular weight sulfonated polystyrene." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/94191762912084550933.

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碩士<br>南臺科技大學<br>化學工程與材枓工程系<br>105<br>The research is about using Ultrasonic Synthesis to synthesize ultra high molecu-lar weight polystyrene emulsion polymerization. There are many advantages of ultra-sonic induced microemulsion polymerization of styrene, for example, high polymeriza-tion rate can form the smaller latex particles that have a narrow fineness distribution, and need no initiative and lower concentration of surfactant. The surfactant that was used in this experiment is sodium dodecyl sulfate (SDS). The polymer was sulfonated with sulfuric acid, become a membrane, the strength was

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liu, Kun-lin, and 劉昆霖. "Zirconium Phosphate-Sulfonated Polystyrene Composite Particles and Their Uses in Proton Exchange Membranes." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/41821757540320155714.

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碩士<br>臺灣大學<br>材料科學與工程學研究所<br>98<br>In order to improve the efficiency of direct methanol fuel cells (DMFC) and proton exchange membrane fuel cells (PEMFC), the researches on the organic/inorganic composite proton exchange membranes were dramatically increased recently for the capability to lower the methanol permeability and retain high proton conductivity at high temperature and low relative humidity. However, many of the inorganic additives exhibited low proton conductivity and difficulty in homogeneous dispersion of the nanoparticles within the membrane. Therefore, the preparation of inorg

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Liau, Su-Yu, and 廖素鈺. "The Study of Gas-Transport Properties of Toxic Gases in the Sulfonated polystyrene Membranes." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/39812811712442016717.

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碩士<br>朝陽科技大學<br>應用化學系碩士班<br>90<br>Abstract A family of polystyrenesulfonate membranes was synthesized using poly- styrene and acetyl sulfate. The extent of sulfonation varies from 5.17 to 23.47 mole%. The proton polystyrenesulfonates (PSSH) were transferred to sodium polystyrenesulfonates (PSSNa) and magnesium polystyrenesulfonates (PSSMg) using ion-exchanging reaction. The resulting polymers were dissolved and casted to form membranes. The gas-transport properties of toxic gases including NO, NO2 and SO2 in various PSS membranes were investigated utilizing an apparatus for single-gas permeat

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Yang, Chih-yu, and 楊智宇. "Application of Sulfonated Polystyrene as Solid Polymeric Electrolyte to Prepare for Amperometric NO2 Gas Sensors." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/82545247940501532248.

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碩士<br>國立高雄大學<br>化學工程及材料工程學系碩士班<br>98<br>A family of proton polystyrenesulfonate(PSSH) membranes was synthesized using polystyrene and acetyl sulfate. The extent of sulfonation varies from 4.36 to 36.69 mol%. The conductivity of PSSH films of various contents of sulfonation was measured using AC Impedance method. The results showed that the conductivity coefficient varied from 5.7×10-4 Scm-1to 2.3×10-2 Scm-1as the sulfonation content varied from 4.36 mol% to 36.69 mol%. The sensing assembly was fabricated by sputtering Au onto the masked surface of a porous aluminum oxide substrate (Anopore®),

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Chung, Pei-Yuan, and 鍾培源. "The Study of Proton Exchange Membrane for DMFC by Mixing Modified Montmorillonite with Sulfonated Polystyrene." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/11904288234033800546.

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碩士<br>國立臺灣大學<br>化學工程學研究所<br>96<br>Direct methanol fuel cell has potential for small power supply to portable devices. At the moment, there are still several serious barriers for DMFC application. First, the performance of conductivity and permeability of proton exchange membrane is not well enough. The other problem is the slow electrode kinetics of methanol in the present of electrocatalyst. Perfluoro-carbon sulfonic acid such as Nafion® membrane has been used for proton exchange membrane. But the methanol permeability of Nafion membrane is still high. In this study, polystyrene is prepared a

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Lee, Wei-Luen, and 李維倫. "Sulfonated Polystyrene Impregnated Poly(tetrafluoroethylene) Membrane as Proton Exchange Membranes for the Application in Fuel Cell." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/94027438361377568395.

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碩士<br>元智大學<br>化學工程學系<br>90<br>In this study, porous poly(tetrafluoroethylene) (PTFE) membranes were treated with Ar/H2 plasma to enhance their surface activity, and then impregnated with sulfonated atactic polystyrene (SaPS). The obtained membranes were tested for the application as proton exchange membranes (PEM) in fuel cell. A series of standard characterization methods were used to identify the membrane properties, such as FIIR-ATR/microscopy, SEM observation, EDX, density measurements, thermal analysis, mechanical test, swelling test in water and in methanol, chemical stability, gas per

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Chen, Yung-ta, and 陳永達. "Sulfonated Polystyrene Impregnated with Ionic Liquids as Proton Exchange Membranes for the Application in Fuel Cells." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/47758909357437958814.

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碩士<br>國立高雄大學<br>化學工程及材料工程學系碩士班<br>102<br>The subject of this study is sulfonated polystyrene (PSS) impregnated with ionic liquids (ILs) as PEM for the application in fuel cells. PS is sulfonated by acetyl sulfate. The PSS/IL composite membranes are prepared by solution casting of PSS/ILs solutions. The characteristic properties of PSS/IL composite membranes are investigated including proton conductivity. The proton conductivity of PSS of 31.99mol% sulfonation level is obtained about 1.841×10-2S/cm which is in the same magnitude of order as the commercial Nafion membrane(9.63×10-2 S/cm). At 80℃

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HSIEH, PO-HSUAN, and 謝帛軒. "The Study on the Preparation of Sulfonated Polystyrene Blended With Synthesized Ionic Liquids for the Proton Exchange Membrane Fuel Cells." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/42020012627780323862.

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碩士<br>國立高雄大學<br>化學工程及材料工程學系碩士班<br>105<br>In this study, ionic liquids were synthesized utilizing quaternization reaction of imidazoles, followed by ion-exchanging using specific salts. The successfully synthesized six kinds of [HMIM] series of low melting point ionic liquids induced [HMIM][Cl]，[HMIM][Br]，[HMIM][I]，[HMIM][BF4]，[HMIM][PF6]，[HMIM][SCN]. The yields for the synthesized ionic liquids were in the range of 51% to 94%. The natures of these synthesized ionic liquids were characterized using 1H-NMR, FT-IR, TGA, ion chromatography, and the solubility test. The process of synthesizing [HMI

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Hrdinková, Veronika. "Studium sulfonovaných polystyrenových nanotkanin s enkapsulovanym sensitizerem." Master's thesis, 2010. http://www.nusl.cz/ntk/nusl-295831.

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The diploma thesis is dedicated to the exploitation of sulphonated polystyrene nanofibres as ion exchange nanomaterial. Ion exchange capacity of these nanomaterials has been determined by titration method and AAS. The effect of sulphonation on photophysical, photooxidative and photocytotoxic properties of sensitizer 5,10,15,20-meso- tetraphenylporphyrin (TPP) encapsulated in polystyrene nanofibres has been studied as well. Properties of TPP have been examined with time-resolved spectroscopy, photooxidation of uric acid as substrate and bactericidal tests on Escherichia coli DH5α with pGEM11Z p

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Liou, Ling-Shih, and 劉玲詩. "Entry in emulsion polymerization using a mixture of sodium polystyrene sulfonate-b-polystyrene and sodium dodecyl sulfate as the surfactant." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/02280937206324094248.

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碩士<br>逢甲大學<br>化學工程學所<br>97<br>This study has prepared sodium polystyrene sulfonate – b –polystyrene (NaPSS-b-PS), which exhibits surface activity with NaPSS block as the hydrophilic moiety and PS block as the hydrophobic moiety. Using mixtures of NaPSS-b-PS and sodium dodecyl sulfate (SDS) as the emulsifier, we performed the emulsion polymerization of styrene and investigate the entry of oligomeric radicals into the emulsion particles. The surfactant NaPSS-b-PS was prepared by using the stable free-radical polymerization technique. Using benzoyl peroxide and 2, 2, 6, 6- tetramethyl- piperidino

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Chang, Yu-Fan, та 鍾宇凡. "Study of Poly(3,4-ethylenedioxythiophene) Polystyrene Sulfonate/α-MnO2 as Composite Cathode for Zinc-Air Battery". Thesis, 2017. http://ndltd.ncl.edu.tw/handle/q36rjz.

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碩士<br>國立臺灣科技大學<br>機械工程系<br>105<br>This study use the simple experimental to make α-MnO2 have different ratio of a little bit of PEDOT:PSS coating. PEDOT：PSS provide electronic transmission path to α-MnO2, because α-MnO2 have poor conductivity and promote battery performance. In this study, α-MnO2 powders were prepared by solvent-free solid state method. Different ratio of PEDOT：PSS/α-MnO2 were prepared by sol-gel method. The materials had been characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM) and field

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HUANG, CHUN-FU, and 黃俊富. "Multiwall Carbon Nanotube and Poly(3,4-ethylenedioxythiophene): Polystyrene Sulfonate (PEDOT:PSS) Composite Films for Silicon Solar Cell." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/sq7cty.

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碩士<br>南臺科技大學<br>光電工程系<br>107<br>The formation of p-n junction in a traditional silicon solar cell needs hightemperature process. Recently, polymer/n-Si hybrid solar cells feature the low cost advantage for their simple and low temperature processing therefore it is worthy for further study. In this study, we will replace PEDOT:PSS with CNT-PEDOT:PSS composite to fabricate the CNT-PEDOT:PSS/n-Si heterojunction solar cell. PEDOT:PSS is commonly used as a p-type semiconductor or hole transport layer in the organic solar cell because its high transparency and good conductivity. This study hopes to

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