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Showing 1 to 20 of 64 for “"reversible addition"”.

  1. Investigation Of Parameters Enabling Admicellar Reversible Addition-Fragmentation Chain Transfer (Raft) Polymerization

    Cheah, Poh Lee2019

    … to implement oxygen sensitive technique such as reversible addition-fragmentation chain transfer (RAFT) polymerization in admicellar polymerization in order to obtain more advanced thin films. Our initial investigation focuses on admicellar RAFT polymerization of styrene, 4-methylstyrene, and …

    mississippi Repository record

  2. Hierarchical self-assembly of nanoparticles using reversible addition-fragmentation chain-transfer block copolymers

    Burns, Fraser2018

    The hierarchical self-assembly of cadmium based quantum dots through the use of RAFT block copolymers have been investigated. The formation of cadmium selenide quantum dots within the core of tetrablock RAFT copolymers in three different solvents, dioxane, THF and DMF was investigated …

    uvic Repository record

  3. Synthesis and Characterization of Graphene-Polymer Nanocomposites via Reversible Addition-Fragmentation Chain-Transfer Polymerization

    Gu, RenpengThe University of Western Ontario2012

    … chains from the surface of graphene sheets via reversible addition-fragmentation chain-transfer (RAFT) polymerization. Graphene oxide was synthesized by reacting graphite with potassium permanganate and concentrated sulfuric acid. The oxidation and exfoliation of graphite was investigated using …

    uwo Repository record

  4. Novel Precursors for Polymer-Protein-Conjugate Synthesis via Reversible Addition-Fragmentation Chain Transfer Polymerization

    Schilli, Christine MariaUniversität Bayreuth

    The RAFT polymerization of N-isopropylacrylamide with two different chain transfer agents, namely benzyl 1-pyrrolecarbodithioate and cumyl 1-pyrrolecarbodithioate, yielded polymers with narrow molecular weight distributions as well as Mn values that were in good agreement with the calculated ones. …

    bayreuth Repository record

  5. The Reversible Addition of Aromatic Hydrocarbons to Alpha, Beta Unsaturated Ketones and Similarly Constituted Compounds

    Eaton, James TuckerUniversity of Illinois at Urbana-Champaign1934

    uiuc Repository record

  6. Overcoming Challenges in Reversible Addition–Fragmentation Chain Transfer Polymerization using Photoinduced Electron/Energy Transfer Catalysis

    Baker, Jared GalenVirginia Tech2026

    … an emphasis on addressing two limitations in reversible addition–fragmentation chain transfer (RAFT) polymerization. Both methods employ photoinduced electron/energy transfer (PET) catalysis to generate radicals within the polymerization system. PET catalysis was selected as the initiation …

    vt Repository record

  7. The synthesis of well-defined functional homo- and block copolymers in aqueous media via Reversible Addition-Fragmentation Chain Transfer (RAFT) Polymerization

    Mertoglu, MuratUniversität Potsdam

    … for free radical polymerization via Reversible Addition-Fragmentation chain Transfer (RAFT) were synthesized. The new compounds bear permanently hydrophilic sulfonate moieties which provide solubility in water independent of the pH. One of them bears a fluorophore, enabling …

    potsdam-diss Repository record

  8. Adsorption behaviour of molecularly imprinted-beta-cyclodextrin polymers prepared by reversible addition-fragmentation chain transfer (RAFT) polymerization for selective recognition of benzylparaben

    Asman, SalizaUniversiti Malaya2015

    … on β-cyclodextrin (β-CD) and the essential of reversible addition�fragmentation chain transfer (RAFT) polymerization process were studied to generate potential MIPs. The study focuses on the characterization and adsorption behaviour of MIPs for selective recognition of benzylparaben (BzP) …

    uthm Repository record

  9. Copolymerizing Acrylonitrile and Methyl Acrylate by RAFT for Melt Processing Applications: A Synthetic Investigation of the Effects of Chain Transfer Agent, Initiator, Temperature, and Solvent

    Beck, Susan AshleyVirginia Tech2014

    … successfully prepared and characterized using reversible addition-fragmentation chain transfer (RAFT) copolymerization. A typical copolymer was charged with 15 wt. % MA content. This thesis describes a systematic variation of the RAFT copolymerization variables to optimize this system. In …

    vt Repository record

  10. Synthesis and study of the micellization behavior of a dual temperature- and pH-responsive PAA-b-PNIPAM block copolymer

    Zarshenas Moghadam, Ehsan2020

    … and hydrophilic blocks were synthesized by reversible addition fragmentation chain transfer polymerization. The preliminary results showed high conversion values for all products. Proton nuclear magnetic resonance and ultraviolet–visible spectroscopies were used to study the selfassembly of …

    emich Repository record

  11. Synthesis and Characterization of Cation-Containing and Hydrogen Bonding Supramolecular Polymers

    Cheng, ShijingVirginia Tech2011

    … as nitroxide mediated polymerization (NMP) and reversible addition-fragmentation chain transfer polymerization (RAFT). Non-covalent interactions were expected to increase the effective molecular weight of the polymeric precursors through intermolecular associations and to induce microphase …

    vt Repository record

  12. Development of Novel Compressible Magnetorheological Fluid (CMRF)

    Pramudya, Irawan2011

    … by force-displacement measurements. The addition of composite polyurethane-microspheres increases the strength and compressibility of the fluid. It also decreases the concentration of iron particles needed in order to achieve the same yield stress as commercially available MR fluid. …

    unr Repository record

  13. AB DIBLOCK COPOLYMER NANOPARTICLES VIA RAFT-MEDIATED POLYMERIZATION AS A PSEUDOSTATIONARY PHASE FOR ELECTROKINETIC CHROMATOGRAPHY

    Umansky, Andre2014

    … in polymeric synthesis, utilizing the Reversible addition−fragmentation chain-transfer polymerization (RAFT) process, have overcome the aforementioned problems. This study furthers the research of latex nanoparticles as PSPs. 2-Acrylamido-2-methylpropane sulfonic acid (AMPS) was chosen …

    montana-tech Repository record

  14. AB DIBLOCK COPOLYMER NANOPARTICLES VIA RAFT-MEDIATED POLYMERIZATION AS A PSEUDOSTATIONARY PHASE FOR ELECTROKINETIC CHROMATOGRAPHY

    Umansky, Andre2014

    … in polymeric synthesis, utilizing the Reversible addition−fragmentation chain-transfer polymerization (RAFT) process, have overcome the aforementioned problems. This study furthers the research of latex nanoparticles as PSPs. 2-Acrylamido-2-methylpropane sulfonic acid (AMPS) was chosen …

    montana Repository record

  15. Raft Polymerization Of Ph-Responsive, Diblock Copolymers For Nucleic Acid Delivery Vehicles

    Mcclellan, Annie Katherine2019

    … polymerization (CRP) and more specifically reversible addition-fragmentation chain transfer (RAFT) polymerization, it is now possible to develop well-defined polymers with predicted molecular weights and architectures. The work presented here focuses on the RAFT polymerization of a family of …

    mississippi Repository record

  16. Examining Structure-Morphology-Property Relationships of Novel Styrenic-Based Macromolecules for Emerging Applications

    Jangu, ChainikaVirginia Tech2015

    … rate constants for the copolymerizations with addition of VBIm as comonomer. Reversible addition fragmentation transfer (RAFT) successfully synthesized well-defined A-BC-A triblock copolymers containing a synergy of pendant ether and imidazolium sites. We demonstrated that electromechanical …

    vt Repository record

  17. Synthesis and Solution Properties of Semi-rigid Polyelectrolytes and Polyampholytes

    Savage, AliceVirginia Tech2014

    … design parameter for microbicidal applications. Reversible addition fragmentation chain transfer (RAFT) polymerization techniques were used to copolymerize 4-diethylaminostilbene with maleic anhydride. These new semi-rigid copolymers were incorporated into double hydrophilic block copolymers …

    vt Repository record

  18. Einstufen-Synthese und Charakterisierung amphiphiler Sternpolymere als multifunktionale assoziative Verdicker

    Herfurth, ChristophUniversität Potsdam

    … Polymerisation unter Kettenübertragung durch reversible Addition und anschließende Fragmentierung (reversible addition-fragmentation chain transfer, RAFT) genutzt. Die Synthese der Sternpolymere erfolgte von einem multifunktionalen Kern, der die R-Gruppe der RAFT-Kettenüberträger (chain …

    potsdam-diss Repository record

  19. Synthese und Charakterisierung von sensitiven vernetzungsfähigen Blockcopolymeren mittels RAFT

    Seifert, DenisTechnische Universität Dresden

    … und Acrylamiden untersucht. Als Methode kam die Reversible-Addition-Fragmentation-chain-Transfer (RAFT) Polymerisation zum Einsatz. Die RAFT wurde gewählt, weil diese im Gegensatz zur ATRP metallionenfrei verläuft und die NMRP nicht für Acrylate geeignet ist. Bei den RAFT-Polymerisationen der …

    qucosa-diss

  20. Biocompatible polymeric nanoparticles for drug/DNA delivery using biologically friendly polymerisation processes

    Irvine, GavinQueen's University Belfast2022

    … several different polymeric nanostructures using reversible addition-fragmentation chain transfer (RAFT) polymerisation in both aqueous and ethanolic solutions.<br/><br/>A preface entailing an abstract, contents, common abbreviations and details of where this work has been presented is …

    qu-belfast Repository record

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