Doctoral Degrees (Chemistry and Polymer Science)
Recent Submissions
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Polymer-coated magnetic nanoparticles and polymer nanoparticles for the treatment of Mycobacterium tuberculosis (Mtb)
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: Tuberculosis (TB) can be classified as a neglected disease where an estimated one fourth of the world’s population could be infected with Mycobacterium tuberculosis (Mtb) in the form of latent TB. ... -
Synthesis and characterization of fluorous-stabilized metal nanoparticles for evaluation in fluorous biphasic catalysis
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: A fluorous biphasic approach as a green strategy for the facile recycling and re-use of expensive catalysts, has been probed. A series of fluorous-stabilized Au NPs were successfully synthesized using ... -
Solid-state interactions of materials: Applications-based solid-state NMR spectroscopy
(Stellenbosch : Stellenbosch University, 2022-04)ENGLISH ABSTRACT: The solid-state interactions of various polymeric materials were investigated in this study to determine how these interactions affect the macroscopic properties of the solid. The work presented in this ... -
Investigating the solid-state dynamics of 1D coordination polymers
(Stellenbosch : Stellenbosch University, 2021-03)ENGLISH ABSTRACT: The aims of this study were twofold: (i) to produce a series of 1D materials exhibiting novel solid-state packing, and (ii), to study these materials with a view to gaining insight into their structure-property ... -
Structure-property relationships in PVC-lubricant compounds
(Stellenbosch : Stellenbosch University, 2021-03)ENGLISH ABSTRACT: This thesis was constructed with the aim of developing and improving current methods for tracking lubricants during the single screw extrusion of unplasticized polyvinyl chloride (uPVC). First a set of ... -
A Hybrid experimental and theoretical investigation into the multi-component gas adsorption properties of selected porous materials
(Stellenbosch : Stellenbosch University, 2021-03)ENGLISH ABSTRACT: The importance of advancements in multi-component gas adsorption (MGA) techniques, with respect to combating climate change, is that these methods can help treat the problem at the cause: selective capture ... -
Defect engineering of UiO-66 metal-organic framework (MOF) for improved hydrogen storage applications
(Stellenbosch : Stellenbosch University, 2021-03)ENGLISH ABSTRACT: Metal–organic frameworks (MOFs) as a relatively new class of porous crystalline materia ls have attracted much interest in many applications due to their high porosity, diverse structures, ... -
Characterization of glycopolymers by asymmetric flow field-flow fractionation
(Stellenbosch : Stellenbosch University, 2020-12)ENGLISH ABSTRACT: An alternative route for studying the interactions between human serum albumin (HSA) and dendronized glycopolymers was implemented by applying a versatile asymmetric flow field-flow fractionation ... -
Multidimensional fractionation of complex polymers by comprehensive online-coupled thermal field-flow fractionation and size exclusion chromatography.
(Stellenbosch : Stellenbosch University, 2020-12)ENGLISH ABSTRACT: The comprehensive characterization of complex polymeric materials remains a primary objective in research and industry. It is important to understand the molecular heterogeneity of complex ... -
Selective synthesis of multicomponent crystals using mechanochemistry and sublimation
(Stellenbosch : Stellenbosch University, 2020-12)ENGLISH ABSTRACT: The aim of this thesis is to demonstrate how careful control of the crystallisation technique used can lead to selective multicomponent crystal formation. Multicomponent materials are often crystallised ... -
The effect of controlled rheology on the evolution of chemical composition distribution of commercial Heterophasic Ethylene Propylene Copolymers (HEPCs)
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: The vis-breaking of heterophasic ethylene-propylene copolymers (HEPCs) is an important industrial process. While the changes in molar mass properties are easy to track using hightemperature size exclusion ... -
Structure-property relationships in stimulus-responsive cadmium- and zinc-based metal-organic framework materials
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: The study of flexible MOFs or soft porous crystals is an exciting and fast-expanding area of MOF research. These materials respond dynamically to external stimuli, including temperature, mechanical pressure, ... -
The use of mononuclear and multinuclear complexes of rhodium and ruthenium in catalytic olefin hydroformylation and hydroaminomethylation reactions
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: A range of imino-pyridine ligands (L1-L8) were synthesized via Schiff-base condensation reactions. These ligands were subsequently complexed to Rh(I) and Ru(II) using [Rh(COD)Cl]2 and [RuCl2(p-cymene)]2, ... -
Development of advanced methods for the analysis of star and highly branched polymers
(Stellenbosch : Stellenbosch University, 2020-03)ENGLISH ABSTRACT: Branched polymers are a unique class of materials with broad applications in fields such as automobile parts, textiles, lubricants, packaging, medicine, construction, soil binders in agriculture, and so ... -
Chitin and chitosan nanomaterials for efficient removal of heavy metals from waste water
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Heavy metal contamination is a serious problem that is responsible for water pollution that can cause serious health issues to animals and humans. The problem is being addressed by various researchers ... -
An investigation into the functionalization of poly(styrene-co-maleic anhydride) with calixarenes and their potential applications
(Stellenbosch : Stellenbosch University, 2019-12)ENGLISH ABSTRACT: This work describes the development of a new method for the synthesis of a calixarene grafted polymer. The method involves synthesizing a mono-alkylated calixarene that contains an amino-tether ... -
Flexible Co(II) Metal-Organic Frameworks with Mixed Ligands under Controlled Pressure
(Stellenbosch : Stellenbosch University, 2019-12)ENGLISH ABSTRACT: A number of flexible metal-organic frameworks (MOFs) are shown to undergo phase changes under CO2 gas pressure and, in two cases, the mechanisms of these changes have been elucidated using computational ... -
Scaffold manipulation for the synthesis of novel, potentially irreversible Akt inhibitors
(2019-12)ENGLISH ABSTRACT: Cancer is a leading cause of death and disease worldwide with an increasing number of cases reported annually. There is therefore an ever-present need for improved diagnosis and treatment ... -
Thermal field-flow fractionation and the advanced analysis of complex polymers
(Stellenbosch : Stellenbosch University, 2019-12)ENGLISH ABSTRACT: Self-assemblies (SAs) and composites designed from block copolymers (BCPs) have found an important niche in nanotechnology. In order to establish commercially viable and sustainable polymeric applications ... -
Hydrocarbon oxidations using metal-containing polypropylene-imine dendrimers
(Stellenbosch : Stellenbosch University, 2019-12)ENGLISH ABSTRACT: The production of oxygenates from hydrocarbon feedstocks is an important industrial process. However, this process suffers from various weaknesses such as poor catalytic activity, chemoselectivity, and ...
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