Dissertations / Theses on the topic 'Kationische Polymerisation'
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Potdevin, Alexander Philipp. "Kationische Polymerisation von flüssigkristallinen Monomeren." [S.l. : s.n.], 2006.
Find full textGrund, Silke. "Synthese anorganisch-organischer Polyfurfurylalkohol-Nanokomposite durch die Zwillingspolymerisation." Doctoral thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-63440.
Full textHöhne, Susanne. "Untersuchungen zur kationischen Polymerisation von Vinylmonomeren des Furans und Thiophens." Doctoral thesis, Universitätsbibliothek Chemnitz, 2006. http://nbn-resolving.de/urn:nbn:de:swb:ch1-200501585.
Full textThe following work examines the cationic polymerization of the heterocyclic monomers 2-vinylfuran, 5-methyl-2-vinylfuran und 2-vinylthiophen mediated by silica particles. The products of this reaction are polymer/SiO2-hybridpartikels and a soluble polymer part. For characterization of the products NMR-spectroscopical methods, IR-, UV/Vis-, MALDI TOF-spectroscopy, elemental analysis and GPC were used. With the help of this methods it succeeded to clear up the polymer structure. The influence of the reaction conditions on the results of the cationic polymerization was examined and discussed. Extensive crosslinking of the 2-vinylfuran monomer during cationic polymerization causes a very strong linkage of the poly(2-vinylfuran)-layer and a hight polymer content of the poly(2-vinylfuran)/SiO2-hybridpartikels. In case of poly(2-vinylthiophen) (PVT) the polymer content of the hybrid particles was notedly lower. A linear polymer structure was supposed. The reaction of poly(2-vinylthiophen) and poly(2-vinylthiophen)/silica hybrid particles with hydridacceptors and FeCl3 was studied. The objectives of this reactions were to generate conjugated structures and to cross-link the polymer by creating bisthiophene structures in a controlled manner. The influence of the reaction time and the nature of the acceptors on the reaction of PVT with the hydride acceptors was examined in detail. The influence of the reaction conditions on the cross-linking reaction with FeCl3 was studied with the help of GPC, IR- und 13C{1H} CP/MAS NMR spectroscopy
Reif, Michael. "Maßgeschneiderte Poly(2-oxazolin)e für die Darstellung komplexer biomimetischer Zellmembranen." kostenfrei, 2009. http://mediatum2.ub.tum.de/node?id=818159.
Full textGräser, Annett. "Kationische Wirt-Gast-Polymerisation in Y-Zeolithen und MCM-41: Synthese und Charakterisierung neuartiger organisch-anorganischer Polymer-Zeolith-Hybride." Doctoral thesis, Universitätsbibliothek Chemnitz, 2000. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200000522.
Full textGräser, Annett. "Kationische Wirt-Gast-Polymerisation in Y-Zeolithen und MCM-41 Synthese und Charakterisierung neuartiger organisch-anorganischer Polymer-Zeolith-Hybride /." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=963255681.
Full textGraeser, Annett. "Untersuchungen zur Wirt-Gast-Polymerisation von Vinylethern in Zeolithen und MCM-41." Master's thesis, Universitätsbibliothek Chemnitz, 1996. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-199600099.
Full textMeyer, Torsten. "Synthesewege zu neuen Hybridmaterialien aus stickstoffhaltigen Monomeren und silikatischen Partikeln." Doctoral thesis, [S.l. : s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=965170977.
Full textMadl, Alexander. "Die kationisch induzierte Oligomerisation von N-Vinylformamid." Doctoral thesis, [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=962394262.
Full textWöckel, L., A. Seifert, C. Mende, I. Roth-Panke, L. Kroll, and S. Spange. "Resin and carbon foam production by cationic step-growth polymerization of organic carbonates." Universitätsbibliothek Chemnitz, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-220096.
Full textDieser Beitrag ist aufgrund einer (DFG-geförderten) Allianz- bzw. Nationallizenz frei zugänglich
Potdevin, Alexander Philipp [Verfasser]. "Kationische Polymerisation von flüssigkristallinen Monomeren / vorgelegt von Alexander Philipp Potdevin." 2007. http://d-nb.info/983252319/34.
Full textHeld, Anke [Verfasser]. "Wässerige katalytische Polymerisation von Olefinen durch kationische Palladium(II)-Komplexe / vorgelegt von Anke Held." 2001. http://d-nb.info/96386534X/34.
Full textHöhne, Susanne. "Untersuchungen zur kationischen Polymerisation von Vinylmonomeren des Furans und Thiophens." Doctoral thesis, 2005. https://monarch.qucosa.de/id/qucosa%3A18406.
Full textThe following work examines the cationic polymerization of the heterocyclic monomers 2-vinylfuran, 5-methyl-2-vinylfuran und 2-vinylthiophen mediated by silica particles. The products of this reaction are polymer/SiO2-hybridpartikels and a soluble polymer part. For characterization of the products NMR-spectroscopical methods, IR-, UV/Vis-, MALDI TOF-spectroscopy, elemental analysis and GPC were used. With the help of this methods it succeeded to clear up the polymer structure. The influence of the reaction conditions on the results of the cationic polymerization was examined and discussed. Extensive crosslinking of the 2-vinylfuran monomer during cationic polymerization causes a very strong linkage of the poly(2-vinylfuran)-layer and a hight polymer content of the poly(2-vinylfuran)/SiO2-hybridpartikels. In case of poly(2-vinylthiophen) (PVT) the polymer content of the hybrid particles was notedly lower. A linear polymer structure was supposed. The reaction of poly(2-vinylthiophen) and poly(2-vinylthiophen)/silica hybrid particles with hydridacceptors and FeCl3 was studied. The objectives of this reactions were to generate conjugated structures and to cross-link the polymer by creating bisthiophene structures in a controlled manner. The influence of the reaction time and the nature of the acceptors on the reaction of PVT with the hydride acceptors was examined in detail. The influence of the reaction conditions on the cross-linking reaction with FeCl3 was studied with the help of GPC, IR- und 13C{1H} CP/MAS NMR spectroscopy.
Grund, Silke. "Synthese anorganisch-organischer Polyfurfurylalkohol-Nanokomposite durch die Zwillingspolymerisation: Synthese anorganisch-organischer Polyfurfurylalkohol-Nanokompositedurch die Zwillingspolymerisation." Doctoral thesis, 2010. https://monarch.qucosa.de/id/qucosa%3A19428.
Full textGräser, Annett [Verfasser]. "Kationische Wirt-Gast-Polymerisation in Y-Zeolithen und MCM-41 : Synthese und Charakterisierung neuartiger organisch-anorganischer Polymer-Zeolith-Hybride / vorgelegt von Annett Gräser." 2000. http://d-nb.info/963255681/34.
Full textHöhne, Susanne [Verfasser]. "Untersuchungen zur kationischen Polymerisation von Vinylmonomeren des Furans und Thiophens / vorgelegt von Susanne Höhne." 2005. http://d-nb.info/980611423/34.
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