Browsing Fakultät für Chemie (inkl. GAUSS) by Advisor "Vana, Philipp Prof. Dr."
Now showing items 21-36 of 36
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Anwendungsbezogene Weiterentwicklung der abbildenden Ellipsometrie
(2017-10-10)Since the work of Geim of graphene as the first 2D material, application and rese- arch of 2D materials is the main booming branch this decade. Overall the imaging techniques like RAMAN Imaging, AFM and optical microscopy ... -
Biomimetic Polymer Systems via RAFT Polymerization - Routes to High-Performance Materials
(2016-12-13)Nature provides numerous examples of structural materials with outstanding mechanical properties. An especially intriguing material is spider dragline silk that outmatches man-made high-performance fibers such as Kevlar ... -
High-Precision Particle Arrangement in Gold‒Polymer-Nanocomposites using RAFT Polymerization
(2016-11-17)This thesis provides a comprehensive analysis of the scientific background on nanocomposites generated via reversible-deactivation radical polymerization (RDRP) techniques. Starting from this basis, nanocomposites with the ... -
Designstrategien für photoschaltbare Polymer-Nanokomposite
(2016-11-17)Silica and gold nanoparticles were functionalized with a developed photo responsive polymer in order to construct tailored self-assembled architectures from polymer nanocopmosites. Silica surfaces were functionalized with ... -
Kinetik der konventionellen radikalischen und der RAFT-Polymerisation an Nanopartikeloberflächen
(2016-07-22)This thesis provides new insights into the kinetic and mechanistic aspects of the con-ventional radical and the reversible addition–fragmentation chain transfer (RAFT) polymerization from the surface of silica nanopartic ... -
Advances in chain-growth control and analysis of polymer: boosting iodine-mediated polymerizations and mastering band-broadening effects in size-exclusion chromatography
(2015-10-23)In the present thesis, various novel iodine-mediated reversible-deactivation radical polymerization (RDRP) techniques were investigated. In addition, effects of instrumental band broadening (BB) in size-exclusion chromatography ... -
Mikrophasenseparation von photo-vernetzbaren Blockcopolymeren in dünnen Filmen
(2015-03-23)The micro-phase behavior of diblock copolymers with integrated UV-crosslinkable units has been investigated by atomic force microscopy (AFM) as well as their mechanical properties. Further, the influence of crosslinkers ... -
Pfropfung funktioneller Monomere auf Polymermembranen
(2015-02-18)The grafting of glycidyl methacrylate (GMA) on microporous cellulose membranes using ceriumIV was investigated. The grafted polymer was sulfonated to be used for ion exchange. It was shown that during the grafting of GMA ... -
Mechanism and Kinetics of Catalyzed Chain Growth
(2015-02-05)In this work, the activation and polymerization mechanism of Catalyzed Chain Growth (CCG) polymerization of ethylene and styrene was studied. On the basis of two metallocene catalysts (Cp*2ZrCl2 and Cp*2NdCl2Li(OEt2)2) and ... -
Bioinspirierte Titin-analoge Polymere
(2014-11-21)Bioinspired polymers imitating the multiple domain structure of the muscular protein Titin on the basis of hydrogen bond bearing cyclic precursor polymers have been synthezised and their mechanical properties have been ... -
Der Einfluss der UV-initiierten RAFT-Polymerisation auf die Strukturen und Eigenschaften von Polymernetzwerken
(2014-09-26)In this work the influence of the Reversible Addition-Fragmentation chain Transfer (RAFT)-polymerization on the microstructures and the resulting properties of polymer networks was investigated. Elastomeric, statistical ... -
Polybutadien und Butadien enthaltende Copolymere mit gezielt eingebauten vulkanisierbaren Gruppen durch RAFT-Polymerisation
(2014-04-29)Reversible Addition Fragmentation Chain Transfer (RAFT) polymerisation is a radical polymerisation based on the principle of degenerative chain transfer. Polymers produced by this method feature a narrow polydispersity and ... -
Nano-Carrier Synthesis via Z-RAFT Star Polymerisation
(2012-11-21)In this project the establishment of nano-scaled and monomolecular objects working as carrier system was investigated. Such nano-carriers find application in drug delivery, catalysis or as templates for hybrid nanomaterials. ... -
Polybutadien und Butadien enthaltende Copolymere mit kontrollierter Kettenstruktur mittels RAFT-Polymerisation
(2012-05-24)Reversible addition-fragmentation chain transfer (RAFT) polymerization has received great scientific and industrial attention, due to its versatility in producing well-defined complex macromolecular architectures with ... -
Tailored Silica Polymer Composites and ABA Type Copolymers: Polymerization Kinetics, Structural Design, and Mechanical Properties
(2011-10-27)In this work, kinetic and mechanistic aspects of the radical polymerization from the surface of fumed silica particles were examined. The surface-initiated polymerization technique was ... -
Sternpolymere mittels RAFT-Polymerisation
(2008-05-29)The goal of the work presented was the synthesis of star polymers with a defined number of arms, narrow molecular weight distribution and high degree of polymerization from controlled radical ...