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Dissertations / Theses on the topic 'Polymers'

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1

Schlindwein, Walkiria Santos. "Conducting polymers and polymer electrolytes." Thesis, University of Leicester, 1990. http://hdl.handle.net/2381/33889.

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Polymers are mostly used as insulator materials. Since the late sixties, two new classes of polymeric materials possessing either ionic or electronic conductivities have been extensively studied. The work carried out in this thesis concerns of the study of polymer electrolytes based on poly(ethylene oxide) (PEO) complexed with divalent salts (ionic conductors) and polypyrroles (PPy) electrochemically and chemically prepared (electronic conductors). Different techniques were used to study their properties including Differential Scanning Calorimetry (DSC), Variable Temperature Polarising Microsc
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2

Muangpil, Sairoong. "Functionalised polymers and nanoparticle/polymer blends." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.654111.

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The incorporation of nanoparticles into polydimethylsiloxane polymers either in the form of physical blending or chemical crosslinking has long been studied as it can improve the properties of composite materials. Interactions between the host polymer and the filler particle, filler concentration and conformation of each component are the key factors that influence these properties. Understanding the effect of these factors is of fundamental importance in all practical applications of composite materials. This thesis describes the study of a range of PDMS composites by using a variety of exper
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3

Chester, Shawn Alexander. "Mechanics of amorphous polymers and polymer gels." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/68898.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2011.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 345-356).<br>Many applications of amorphous polymers require a thermo-mechanically coupled large-deformation elasto-viscoplasticity theory which models the strain rate and temperature dependent response of amorphous polymeric materials in a temperature range which spans the glass transition temperature of the material. We have formulated such a theory, and also numerically implemented our theory in a finite element pr
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4

Mohagheghian, Iman. "Impact response of polymers and polymer nanocomposites." Thesis, University of Cambridge, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648854.

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5

Sun, Shuangyi. "Alkoxyphenacyl Polymers: A Novel Photodegradable Polymer Platform." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1424234383.

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6

Michal, Brian. "Multi-Functional Stimuli-Responsive Polymers." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1459440396.

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7

Amalou, Zhor. "Contribution à l'étude de la structure semi-cristalline des polymères à chaînes semi-rigides." Doctoral thesis, Universite Libre de Bruxelles, 2006. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/210832.

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Les polymères semi-cristallins à chaînes semi-rigides, bien qu’abondamment utilisés dans la vie quotidienne, représentent des systèmes complexes qui ne sont pas encore parfaitement compris. Parmi les nombreux domaines de recherche sur cette famille de polymères, l’étude de la morphologie semi-cristalline et des processus de cristallisation et de fusion de ceux-ci restent des sujets très importants. L’investigation de la morphologie semi-cristalline est rendue difficile car elle présente une structure hiérarchique composée de plusieurs niveaux d’organisation, dont le plus petit est observable à
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8

Smartt, William Mark. "Formation of microporous polymer via thermally-induced phase transformations in polymer solutions." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/32853.

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9

Cooke, Richard Hunter III. "THE ENHANCEMENT OF PEROXIDE-CURED FLUOROELASTOMER RUBBER TO METAL BONDING." Wright State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=wright1377022145.

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10

Yang, Lianyun. "Novel Ferroelectric Behavior in Poly(vinylidene fluoride-co-trifluoroethylene)-Based Random Copolymers." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1431686125.

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11

He, Yinghui. "Novel N-type Π-conjugated Polymers for all-polymer solar cells". Thesis, Bordeaux, 2017. http://www.theses.fr/2017BORD0651/document.

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Les cellules solaires organiques (OSC) apparaissent comme une technologie prometteuse pour les énergies renouvelables en raison de leur poids léger, leur grande flexibilité et leur processus de fabrication peu coûteux. Jusqu'à présent, la plupart des OPV ont utilisé des dérivés de Fullerene, tels que PCBM ou PC71BM, en tant qu'accepteur d'électrons dans la couche active, qui s'est avéré être un goulet d'étranglement pour cette technologie. Par conséquent, le développement d'accepteurs non-fullerene est devenu la nouvelle force motrice de ce domaine. Les cellules solaires tout-polymères (tous-P
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12

Liu, Gengxin. "Nonlinear Rheology of Long-Chain Branched Polymers." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1436977058.

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13

Prabhakar, Roopa Lakshmi. "Characterisation of Novel Polymers and polymeric Systems." Thesis, University College London (University of London), 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.498710.

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14

Gurun, Bilge. "Deformation studies of polymers and polymer/clay nanocomposites." Diss., Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/37118.

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Polymer clay nanocomposites have been a popular area of materials research since they were first introduced in the 1990s. The inclusion of clays into many different host polymers has been shown to improve the properties of matrix polymers in a number of ways including increased mechanical strength, thermal stability and improved barrier properties while keeping the composite light weight and transparent. Although there is a great deal of published work on the preparation and property measurements of polymer clay nanocomposites, there is no model to design a nanocomposite with a given set of p
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15

Mahaffy, Rachel Elaine. "The quantitative characterization of the viscoelastic properties of cells and polymer gels /." Full text (PDF) from UMI/Dissertation Abstracts International, 2000. http://wwwlib.umi.com/cr/utexas/fullcit?p3004328.

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16

Harding, Gareth. "The fractionation and characterisation of propylene-ethylene random copolymers." Thesis, Link to online version, 2005. http://hdl.handle.net/10019/1040.

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17

Kumagai, Masashi. "The synthesis and characterization of novel nitrogen-containing ladder polymers and their model compounds as possible precursors to organic ferromagnetic polymers." Case Western Reserve University School of Graduate Studies / OhioLINK, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=case1058965935.

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18

Kumpfer, Justin Richard. "Utilizing Metallosupramolecular Polymers as Smart Materials." Case Western Reserve University School of Graduate Studies / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=case1333553702.

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19

Chernykh, Andrey. "Main Chain Type Benzoxazine Polymers for High Performance Applications." Cleveland, Ohio : Case Western Reserve University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=case1232733414.

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20

Joyce, Steven John. "The topological trapping of cyclic polymers into polymer networks." Thesis, University of York, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306470.

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21

Jezzard, Peter. "Nuclear magnetic resonance imaging of polymers and polymer-composites." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.277832.

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22

Sen, Mustafa Yasin. "Green Polymer Chemistry: Functionalization of Polymers Using Enzymatic Catalysis." University of Akron / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=akron1258422775.

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23

Callies, Xavier. "Rheology and Adhesion of Supramolecular Center-functionalized Polymers." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066663.

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Les adhésifs sensibles à la pression (PSAs) sont constitués de matériaux polymères mous qui collent presque instantanément sur presque tout type de surface. Les propriétés adhésives de ces matériaux sont principalement contrôlées par leurs propriétés rhéologiques et ainsi, par la structure moléculaire des polymères utilisés dans leur formulation. La nature des monomères, la distribution des masses molaires et le degré de réticulation sont des exemples de paramètres habituellement définis par les ingénieurs pour l’optimisation des adhésifs commerciaux. La singularité de notre projet est d’étudi
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24

Lee, William K. "Solid-gel interactions in geopolymers." Connect to thesis, 2002. http://repository.unimelb.edu.au/10187/1071.

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This is partly because the requirements for such an ultimate material change with people’s perception about its properties as well as its environmental impact. Thus, the once-believed ultimate Portland cement binder is now becoming unacceptable for a number of reasons including poor durability as well as severe environmental impact during production. Thus, an improved mineral binder is required by modern society to serve the same purposes as the existing Portland cement binder, as well as to reduce the current environmental impact caused by Portland cement production.<br>Geopolymerisation is s
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25

Markotsis, Martin G. School of Chemical Engineering &amp Industrial Chemistry UNSW. "Morphological studies of sbs based interpenetrating polymer networks." Awarded by:University of New South Wales. School of Chemical Engineering and Industrial Chemistry, 2005. http://handle.unsw.edu.au/1959.4/32833.

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Interpenetrating polymer networks (IPNs) of polystyrene-polybutadiene-polystyrene (SBS) block copolymers and polystyrene (PS) were prepared using sequential network formation with the polybutadiene (PB) of the SBS crosslinked thermally and the styrene network formed thermally or by ??-radiation. The use of ??-radiation to cure the added PS network at room temperature successfully avoided thermal degradation of the butadiene segments within the SBS which had been observed in earlier studies. Both linear SBS and radial SB4 IPNs were studied to compare the influence of linear or branched block co
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26

Qu, Haoran. "SOLUTION SELF-ASSEMBLY OF HEXAETHYLENE GLYCOL-FUNCTIONALIZED POLYHEDRAL OLIGOMERIC SILSESQUIOXANE (GPOSS) TETHERED WITH POLYSTYRENE CHAIN." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1486638275556455.

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27

Zartman, Gregory D. "The Effects of Melt Stretching on the Mechanical Behavior of Polymer Glasses." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1342409357.

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28

Li, Mingxuan. "Self-Assemble of Novel Discotic Nano-Molecules Based on Polyhedraloligomericsilsesquioxanes." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1399242960.

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29

Wang, Yi. "The Synthesis and Characterization of Amphiphilic Poly(Ethylene Oxide)-Block-Poly(Octadecyl Acrylate) Block Copolymers." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1399491109.

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30

Zhu, Sunsheng. "Novel Approach to Polyhedral Oligmeric Silsesquioxane-Based Giant Surfactants Basd on Thiol-Michael Addition "Click" Reaction." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1399555570.

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31

Chu, Yang. "Enhancement of Photocatalytic Activity by Site Poisoning Platinum Doped Titanium Dioxide." University of Akron / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=akron1417454495.

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32

Chen, Junyi. "Oligo(ß-Alanine)-Grafted Butyl Rubber (IIR) with Mixed O(ligo(ß-Alanine) Lengths." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1427827046.

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33

Liu, Jianning. "Stress Relaxation Behavior of Polymer Glasses in Both Extension and Compression." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1427995606.

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34

Shi, Feimo. "A THERMO- AND LIGHT- SENSITIVE STAR-LIKE COPOLYMER: DESIGN, SYNTHESIS, AND POTENTIAL APPLICATION FOR DRUG DELIVERY SYSTEM." Case Western Reserve University School of Graduate Studies / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=case1428072959.

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35

Zhong, Weijie. "The Effect of Hydrophilic Monomer in Core-shell Latex." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1436453067.

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36

HE, ZHOUYING. "ORGANIC/INORGANIC HYBRID COATINGS FOR ANTICORROSION." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1437870016.

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37

Pangilinan, Katrina Dayoan. "Layer-by-Layer and Photochemical Grafting of ATRP Initiators for Thermoresponsive Surfaces." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1448375686.

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38

Sun, Jian. "Molecular Janus Particles Based On Functionalized [60]Fullerenes: Precise Synthesis And Self-Assembly Behaviors In Solution." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1460373051.

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39

Stilke, Morgan A. "Diffusive and Deformation Behavior of Physically Crosslinked Hydrogels." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1460384954.

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40

Ji, Xiang Ji. "THE INFLUENCE OF ASSEMBLY PH AND CLAY INCLUSION ON THE ACTUATION OF POLYELECTROLYTE MULTILAYERS." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1468526322.

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41

Zhang, Zeyang. "INTERFACIAL FREE RADICAL POLYMERIZATION OF MALEIC AND 1,4-CYCLOHEXANEDIMETHYANOL DIVINYL ETHER." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1468681937.

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42

Chamsaz, Elaheh Anna. "Design and Applications of Biodegradable and Photoresponsive Polymers based on Alkoxyphenacyl and Coumarin Moieties." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1490015846298687.

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43

Yang, Xing. "Synthesis and Self-assembly of Giant Shape Amphiphiles Based on Rod-like Polymers and Precisely Functionalized Fullerenes." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1491576298738033.

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44

CHEN, RUISI. "A Viscosity Modifier: Oligo(¿-Alanine) End-Functionalized Polypropylene." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1491609493145333.

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45

Zhang, Zhongbo. "Understanding Ferroelectricity in Nylon Homopolymers, Copolymers, and Terpolymers." Case Western Reserve University School of Graduate Studies / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=case1521638812926921.

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46

Li, Zhuoran. "Synthesis and Characterization of Functionalized Polyurethanes with Hydrophilic Moieties." University of Akron / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=akron1522851826350018.

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47

Xie, Shaoxiong. "COMPARATIVE STUDY ON TIP/TIA/ZRP/TEOS MODIFIED EPOXIDES RESIN: ANTI-CORROSION PERFORMANCE." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1534159109126582.

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48

Yuan, Yichun. "Optimized Synthesis of SO2-PIM for Potential Applications in Flexible Electronic Devices." Case Western Reserve University School of Graduate Studies / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=case1553868388453831.

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49

Zhao, Zhichen. "Understanding melt-deformation effect on mechanical behavior of polymer glasses." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1555001830982788.

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50

Liang, Honghe. "Synthesis and Characterization of A New Catechol Derived Coupling Agent." University of Akron / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=akron1555671275779722.

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