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Now showing items 1-10 of 10

    • Field-flow fractionation of amphiphilic block copolymers 

      Greyling, Guilaume Hermanus (Stellenbosch : Stellenbosch University, 2016-03)
      ENGLISH ABSTRACT : Complex polymers have multiple distributions with respect to molecular weight, chemical composition, functionality as well as molecular topology and architecture. Moreover, these distributions affect ...

    • The investigation and analysis of RAFT-mediated block copolymers in aqueous dispersed media 

      Pretorius, Nadine O. (Stellenbosch : Stellenbosch University, 2007-12)
      ENGLISH ABSTRACT: Polymers prepared via radical techniques are very common in our every day environment. The technique is however limited by a lack of control over the polymerization and an inability to produce block ...

    • N-vinylpyrrolidone-vinyl acetate block copolymers as drug delivery vehicles 

      Bailly, Nathalie (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: The primary aim of this study was to investigate the feasibility of the amphiphilic block copolymer poly((vinylpyrrolidone)-b-poly(vinyl acetate)) (PVP-b-PVAc) as a vehicle for hydrophobic anti-cancer ...

    • Novel siloxane block copolymers 

      Staisch, Ingrid (Stellenbosch : Stellenbosch University, 2008-12)
      The research presented in this dissertation was concerned with the living radical polymerization (LRP) of an amphiphilic, water-soluble, bi-substituted and biologically compatible acrylamide derivative, namely ...

    • Novel synthesis of block copolymers via the RAFT process 

      Bowes, Angela (2007-12)
      The synthesis of complex architectures, namely block copolymers with tailored enduse properties, is currently an important research area in academia and industry. The challenge is finding a versatile polymerization ...

    • Poly(N-vinylpyrrolidone) - Poly(γ-benzyl-L-glutamate) conjugates 

      Jacobs, Jaco (Stellenbosch : Stellenbosch University, 2012-03)
      ENGLISH ABSTRACT: The combination of natural and synthetic polymers allow for the synthesis of advanced hybrid copolymers. These hybrid copolymers have applications in biomedical areas, one such area being in drug delivery ...

    • Synthesis and characterisation of amphiphilic block copolymers 

      Morkel, Charl Ernst (Stellenbosch : University of Stellenbosch, 2005-03)
      This study involves the synthesis and characterisation of PEG-based amphiphilic block copolymers for the hydrophilization of polysulphone ultrafiltration membranes. PEG based macro RAFT agents were synthesized and ...

    • Synthesis and characterization of graft and block copolymers using hydroboration 

      Baleg, Abd-Almonam (Stellenbosch : University of Stellenbosch, 2006-12)
      Graft and block copolymers were synthesized using multifunctional and monofunctional macroinitiators to produce the copolymers. The process involved hydroboration of commercially available unsaturated rubbers and ...

    • Synthesis and characterization of multiphase copolymers 

      Elhrari, Wael K. S. (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: Multiphase copolymers generally consist of copolymers where the disparate natures of each of the segments results in complex phase-segregated morphologies in the solid state. The outstanding properties ...

    • Two-dimensional chromatographic characterisation of PS-b-PEO copolymers at the critical conditions of their corresponding homopolymers 

      Grabowsky, Monika Elvira (Stellenbosch : Stellenbosch University, 2011-12)
      ENGLISH ABSTRACT: Block copolymers are very interesting materials but they are quite complex. During polymer synthesis only a certain amount of control can be enforced. As copolymers are made up of two or more different ...