NDLTD logo NDLTD Union Catalog and Global ETD Search

Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 20 of 41 for “"reversible addition fragmentation chain transfer (RAFT)"”.

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

    Cheah, Poh Lee2019

    … early termination and increases the rate of dead chain formation. Admicellar polymerizations using the water-soluble initiator exhibited higher Mw polymer compared to the systems using the water-insoluble initiator due to less degree of partitioning of water-soluble initiator in the admicelle …

    mississippi Repository record

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

    Mertoglu, MuratUniversität Potsdam

    New chain transfer agents based on dithiobenzoate and trithiocarbonate 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 …

    potsdam-diss Repository record

  3. 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

  4. 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

  5. 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

  6. 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

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

    Savage, AliceVirginia Tech2014

    … possibly due to their more extended polymer chains. This was the first time that intrinsic polymer rigidity was introduced as a possible design parameter for microbicidal applications. Reversible addition fragmentation chain transfer (RAFT) polymerization techniques were used to copolymerize …

    vt Repository record

  8. 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

  9. 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

  10. Developing green processes for the conversion of biobased materials into pyrones

    Bradley, William2019

    … a nucleophilic heterocycle undergoing conjugate addition with brominated TAL producing a corrosion inhibitor. Successful corrosion inhibitors were synthesized in moderate to good yields. The highest corrosion inhibitor efficiency was 88% for newly developed corrosion inhibitors.</p> <p>In the …

    iastate Repository record

  11. Development of Carbohydrate-based Diblock Polymers for Nucleic Acid Delivery

    Sizovs, AntonsVirginia Tech2012

    … chemistry. These monomers were polymerized via reversible addition-fragmentation chain transfer (RAFT) polymerization to yield glycopolymers with the desired lengths and low polydispersity indexes. Glycopolymers were chain-extended with aminoethylmethacrylamide to produce cationic diblock …

    vt Repository record

  12. Development of novel polymeric nanoparticles with tailored architectures and functionalities/

    Burts, Alan O. (Alan Omar)Massachusetts Institute of Technology2013

    … Such nanoparticles were synthesized by, first, "graft-through" ring-opening metathesis polymerization (ROMP) of a norbornene-macromonomer to create the brush-arms, and second, cross-linking the arms with a bis-norbornene cross-linker to afford star polymers via the "arm-first" star polymer method. …

    mit Repository record

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

    Gu, RenpengThe University of Western Ontario2012

    … to develop a facile approach for growing polymer 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 …

    uwo Repository record

  14. Size and chemistry selective membranes from block polymer templates

    Mulvenna, Ryan A

    … (PI-PS-PDMA) via. a facile reversible addition-fragmentation chain transfer (RAFT) mechanism. For this high molecular weight block polymer synthesis, it was experimentally established that rate retardation occurred during the addition of the PS and PDMA domains. Utilizing …

    purdue-thes Repository record

  15. CONTROLLED SYNTHESIS OF TOPOLOGICALLY TEMPLATED CATENANE AND KNOTTY POLYMER

    Bunha, Ajaykumar 1983-University of Houston2013

    … weight catenanes and the trefoil knot. In addition, recent advances in synthesis of topologically similar cyclic polymer via end-to-end cyclization of linear analogue or ring-expansion polymerization from cyclic catalyst/initiator are also discussed. Chapter 2 demonstrates a novel route for …

    houston Repository record

  16. Control of Network Topology in Photopolymer Networks for Additive Manufacturing

    Qin, KeMassachusetts Institute of Technology2022

    … done to regulate free radical polymerization via addition-fragmentation chain transfer (AFCT) and reversible addition-fragmentation chain transfer (RAFT), and their applications in photopolymer networks to improve material properties and introduce novel functional materials to additive …

    mit Repository record

  17. Design and synthesis of biocompatible fluorescent semi-conductor nanocrystals for in-vivo and in-vitro imaging/sensing applications

    Liu, Wenhao, Ph. D. Massachusetts Institute of TechnologyMassachusetts Institute of Technology2010

    … applications via Forster Resonance Energy Transfer (FRET), and attachment of proteins to enable high-affinity cell labeling and single particle tracking. In addition, QDs solubilized with these ligands could be derivatized via metal-affinity driven conjugation chemistry with …

    mit Repository record

  18. Controlling the Properties of Polymer Metal-Organic Frameworks and Cages Through Polymer Ligand Design

    Pearson, Matthew A.Massachusetts Institute of Technology2022

    … featuring MOF-forming linkers on their sidechains using common radical polymerization techniques: reversible addition fragmentation chain transfer (RAFT) polymerization and free radical polymerization (FRP). High-dispersity ligands prepared through FRP formed crystalline polyMOFs while …

    mit Repository record

  19. Novel amphiphilic diblock copolymers by RAFT-polymerization, their self-organization and surfactant properties

    Garnier, SébastienUniversität Potsdam

    The Reversible Addition Fragmentation Chain Transfer (RAFT) process using the new RAFT agent benzyldithiophenyl acetate is shown to be a powerful polymerization tool to synthesize novel well-defined amphiphilic diblock copolymers composed of the constant hydrophobic block poly(butyl acrylate) and …

    potsdam-diss Repository record

  20. Development of Sustainable Thermoplastic Elastomers

    Wang, ShuUniversity of Houston2015

    … were successfully synthesized using reversible addition fragmentation chain transfer (RAFT) polymerization. SAS exhibited elastomeric behavior at room temperature and were processable above the order-disorder transition (ODT) temperature. The alkyl side-chain length of the …

    houston Repository record

Page 1 of 3