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Dissertations / Theses on the topic 'Polymer backbone'

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1

Pollino, Joel Matthew. "The "Universal Polymer Backbone" concept." Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-11112004-143714/unrestricted/pollino%5Fjoel%5Fm%5F200412%5Fphd.pdf.pdf.

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Thesis (Ph. D.)--Chemistry and Biochemistry, Georgia Institute of Technology, 2005.<br>Weck, Marcus, Committee Chair ; Jones, Christopher, Committee Member ; Collard, David, Committee Member ; Liotta, Charles, Committee Member ; Bunz, Uwe, Committee Member. Includes bibliographical references.
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2

Daglen, Bevin Colleen 1977. "Factors affecting the photodegradation rates of polymers that contain (cyclopentadienyl-(carbon monoxide)-molybdenum) in the backbone." Thesis, University of Oregon, 2008. http://hdl.handle.net/1794/8567.

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xxii, 143 p. ; ill. (some col.) A print copy of this title is available through the UO Libraries. Search the library catalog for the location and call number.<br>There are compelling economic and environmental reasons for using degradable plastics in selected applications and considerable research is now devoted to devising new photodegradable polymers with improved performance. Controlling the degradation of these materials in a prescribed fashion is still a difficult problem because the parameters that influence degradation rates are not completely understood. In order to predict polymer li
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3

Farooq, Fauzia. "The stereoselective synthesis of side-chain liquid crystalline poly(ethyleneoxide)s possessing backbone chirality." Thesis, University of Hull, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343153.

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4

ANDREOSSO, IVAN. "FUNCTIONALIZATION OF UNSATURATED POLYMERS BACKBONE FOR TYRE COMPOUNDING APPLICATION." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2019. http://hdl.handle.net/10281/241275.

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Una delle principali applicazioni in cui i polimeri elastomerici trovano impiego è come componente strutturale nella formulazione di mescole per pneumatici. Tuttavia, affinché il prodotto finale possa soddisfare gli standard di prestazione richiesti, è necessario introdurre nella matrice polimerica dei componenti (filler) inorganici (Silice e Carbon Black). Sotto questo profilo, la compatibilità tra la fase polimerica e inorganica è dunque un aspetto di cruciale importanza. In questo contesto si colloca il presente progetto di dottorato, che ha come obiettivo quello di sviluppare un’innovativa
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5

Kub, Christopher. "Hyperbranched conjugated polymers: an investigation into the synthesis, properties and postfunctionalization of hyperbranched poly(phenylene vinylene-phenylene ethynylene)s." Thesis, Georgia Institute of Technology, 2010. http://hdl.handle.net/1853/34838.

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There are two general ways to introduce functionalities into a polymeric structure: functionalization of the monomeric units before polymerization and postfunctionalization of the preformed polymer. Building libraries of polymers with different functionalities can be completed with significantly less effort by the second method, as each postfunctionalization of a single batch of polymeric backbone can involve as little as one synthetic step. One method of building a polymeric backbone for postfunctionalization involves the synthesis of hyperbranched conjugated polymers (HCPs) from AB2 monome
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6

Gikonyo, Barnabas Kimaru. "Silicon backbone polymers as nerve growth substrates : an odyssey /." Available to subscribers only, 2007. http://proquest.umi.com/pqdweb?did=1481666341&sid=3&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Thesis (Ph. D.)--Southern Illinois University Carbondale, 2007.<br>"Department of Chemistry and Biochemistry." Keywords: Polysilane, Silicon backbone polymers, PC-12 cell growth, Nerve cell growth, Fibronectin, Polymers, Nerve growth substrates. Includes bibliographical references (p. 131-142). Also available online.
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7

Nur, Yusuf. "Electrochemical Polymerization Of Trihaloalkane Monomers To Form Branched C-backbone Polymers." Phd thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613168/index.pdf.

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Polycarbynes ( poly(hydridocarbyne), poly(methylcarbyne) and poly(phenylcarbyne) ) are a class of network polymers which are primarily composed of tetrahedrally hybridizated carbon atoms which have hydrogen, methyl or phenyl pendant group linked via three carbon-carbon single bonds to form a three dimensional network of fixed rings. This backbone oers unusual properties on the polymer including thermal decomposition to form diamond and diamondlike carbon. In this thesis, polycarbynes were synthesized by electrolytical reduction of trihaloorganocompounds, namely chloroform, hexachloroethane, 1,
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8

Rust, Tarik [Verfasser]. "Stimuli-Responsive Backbone-Degradable (Co-)Polymers for Drug Delivery / Tarik Rust." Paderborn : Universitätsbibliothek, 2021. http://d-nb.info/1237748437/34.

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9

Okerio, Jaspher Mosomi. "Synthesis of fluorescent polymers with coumarin backbones by "click" polymerization." Thesis, Nelson Mandela Metropolitan University, 2013. http://hdl.handle.net/10948/d1020132.

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Click chemistry is one of the growing areas of research which is applied in the design and synthesis of a wide range of polymeric architectures. This investigation focuses on the synthesis of fluorescent coumarin based polymers by “click” A-B step growth polymerization process and evaluation of their photophysical properties. Non-fluorescent azide-alkyne functionalized coumarin-based monomers were synthesized in multiple steps from 2,4-dihydroxybenzaldehyde in reasonable yields. Polymers with coumarin backbone were synthesized from azide-alkyne functionalized coumarin monomers via the Cu(I) ca
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10

Babur, Tamoor [Verfasser]. "Structure and relaxation dynamics of comb-like polymers with rigid backbone / Tamoor Babur." Halle, 2017. http://d-nb.info/1139253743/34.

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11

Karlsson, Christoffer. "Conducting Redox Polymers for Electrical Energy Storage : Backbone - Substituent Interactions in Quinone Polypyrrole Model Systems." Doctoral thesis, Uppsala universitet, Nanoteknologi och funktionella material, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-230647.

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Organic electrical energy storage (EES) is a growing field of research that is expected to play an important role in the future, as the need for sustainable EES increases. Conducting redox polymers (CRPs), i.e. conducting polymers with incorporated redox active moieties e.g. as pendant groups (PGs), are proposed as a promising class of compounds for this purpose. Redox cycling of the PGs can be utilized for high charge storage capacity, while the conducting polymer backbone provides fast charge transport through the material. Some of the major challenges with small-molecule systems for EES cou
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12

Feng, Xinliang, Xiaodong Zhuang, Wuxue Zhao, et al. "A two-dimensional conjugated polymer framework with fully sp2-bonded carbon skeleton." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-224298.

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The synthesis of crystalline two-dimensional (2D) covalent organic frameworks (COFs) with fully unsaturated carbon–carbon backbones via a solution approach remains a great challenge. In this work, we report the first example of an olefin-linked 2D conjugated COF using a Knoevenagel polycondensation reaction of 1,4-phenylene diacetonitrile and three armed aromatic aldehyde. The resulting 2D poly(phenelyenevinylene) framework (2DPPV) possesses a sheet morphology, and a crystalline layered structure featuring a fully sp2-bonded carbon skeleton with pendant cyanide groups. Its unique alternating s
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13

Daglen, Bevin Colleen. "Factors affecting the photodegradation rates of polymers that contain (-C₅H₄(CO)₃Mo-Mo(CO)₃C₅H₄-) in the backbone /." Connect to title online (Scholars' Bank) Connect to title online (ProQuest), 2008. http://hdl.handle.net/1794/8567.

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Thesis (Ph. D.)--University of Oregon, 2008.<br>Typescript. Includes vita and abstract. Includes bibliographical references (leaves 131-143). Also available online in Scholars' Bank; and in ProQuest, free to University of Oregon users.
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14

Feng, Xinliang, Xiaodong Zhuang, Wuxue Zhao, et al. "A two-dimensional conjugated polymer framework with fully sp2-bonded carbon skeleton." Royal Society of Chemistry, 2016. https://tud.qucosa.de/id/qucosa%3A30310.

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The synthesis of crystalline two-dimensional (2D) covalent organic frameworks (COFs) with fully unsaturated carbon–carbon backbones via a solution approach remains a great challenge. In this work, we report the first example of an olefin-linked 2D conjugated COF using a Knoevenagel polycondensation reaction of 1,4-phenylene diacetonitrile and three armed aromatic aldehyde. The resulting 2D poly(phenelyenevinylene) framework (2DPPV) possesses a sheet morphology, and a crystalline layered structure featuring a fully sp2-bonded carbon skeleton with pendant cyanide groups. Its unique alternating s
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15

Kleissler, Charles Richard. "Comparison of poly(vinyl alcohol) backbone-grafted ethers and chain-growth crown ether polymers in selective cation adsorption." Diss., Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/10115.

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16

Chakraborty, Ruby. "Development of Novel Cycloaliphatic Siloxanes for Thermal and UV-curable Applications." University of Akron / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=akron1207682542.

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17

Subianto, Surya. "Electrochemical synthesis of melanin-like polyindolequinone." Thesis, Queensland University of Technology, 2006. https://eprints.qut.edu.au/16427/1/Surya_Subianto_Thesis.pdf.

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Conducting polymer is a rapidly developing area of research due to its potential in combining the physical properties of polymers with electrical properties previously found only in inorganic systems. These conducting polymers owe their unique properties to a conjugated polymer backbone and become conducting upon oxidation or reduction. Melanin, a biopolymer, possess a conjugated backbone required of a conducting polymer, and has shown properties of an amorphous semiconductor. However, there has not been much study done in this area despite its potential, and this is partially due to the la
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18

Subianto, Surya. "Electrochemical synthesis of melanin-like polyindolequinone." Queensland University of Technology, 2006. http://eprints.qut.edu.au/16427/.

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Conducting polymer is a rapidly developing area of research due to its potential in combining the physical properties of polymers with electrical properties previously found only in inorganic systems. These conducting polymers owe their unique properties to a conjugated polymer backbone and become conducting upon oxidation or reduction. Melanin, a biopolymer, possess a conjugated backbone required of a conducting polymer, and has shown properties of an amorphous semiconductor. However, there has not been much study done in this area despite its potential, and this is partially due to the la
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19

Fu, Yuan-te 1968. "Assembly of coordination polymers from polythioethers with conjugated backbones." 2003. http://hdl.handle.net/2152/12111.

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20

Fu, Yuan-te Lagow Richard J. "Assembly of coordination polymers from polythioethers with conjugated backbones." 2003. http://wwwlib.umi.com/cr/utexas/fullcit?p3119615.

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21

Breitenbach, Armin [Verfasser]. "Comb polymers for biomedical application obtained by grafting biodegradable polyester chains onto hydrophilic polyol backbones / vorgelegt von Armin Breitenbach." 2003. http://d-nb.info/980846676/34.

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22

Lin, Yu-Chen, and 林喻偵. "I.Metal Ion-Responsive Functional Polymers with Different Backbone Structures: Flexible/Rigid Hydrocarbon Chain and Ether LinkageII.Metal Ion-Induced Random Coil/Helix Conformation Transition of Functional Oligo-L-Lysine Based OctamersIII.Acridinium Sal." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/54682272402370073819.

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博士<br>國立臺灣大學<br>化學研究所<br>99<br>Chapter I describes the development of side-chain functionalized polymers containing metal ion-responsive units with flexible/rigid backbone structures that have potential in developing metal ions sensory materials or self-assembly into hierarchical ordered structures. Poly-norbornene based homopolymer derived from ring-opening metathesis polymerization (ROMP) is regarded as rigid backbones because of the bicyclic constraints of norbornene. Decrease of backbone rigidity can be achieved through the alternating copolymerization of an appropriate cyclic olefin comon
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