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Browsing Masters Degrees (Chemistry and Polymer Science) by Title

Browsing Masters Degrees (Chemistry and Polymer Science) by Title

Now showing items 79-98 of 158

N-heterosikliese karbeenkomplekse van groep 10 metale : nuwe moontlikhede

Kruger, Anneke (Stellenbosch : Stellenbosch University, 2007-03)

ENGLISH ABSTRACT: This study comprises the synthesis and characterisation of N-heterocyclic carbene complexes of group 10 metals with the main focus on such complexes with the nucleophilic N-atom in a position further ...
Negative thermal expansion of organic compounds

Greyling, Guillaume Hermanus (Stellenbosch : Stellenbosch University, 2011-03)

ENGLISH ABSTRACT: The primary objective of the work was to investigate the negative thermal expansion of organic materials and to determine the mechanisms governing this phenomenon by using the principles of crystal ...
New amino- and titanoxycarbene complexes of group 6 metals

Heydenrych, Greta (Stellenbosch : Stellenbosch University, 2001-03)

ENGLISH ABSTRACT: Please refer to fulltext for abstract
New developments in the coordination chemistry of Gold(I), Gold(II) and Gold(III) with C-, N- , P-and S-donor ligands

Coetzee, Jacorien (Stellenbosch : University of Stellenbosch, 2007-03)

A comprehensive, comparative structural study of gold(I), gold(II) and gold(III) compounds with the general formula [Aux(C6F5)y(tht)z] (tht = tetrahydrothiophene) was performed. The series of compounds included the ...
New gold(I) and gold(III) coordination complexes derived from N and S heterocycles

Kifle Hagos, Tesfamariam (Stellenbosch : University of Stellenbosch, 2006-03)

Please refer to full text for abstract
NMR studies on the mechanism of iodine mediated polymerisation

Wright, Trevor (Stellenbosch : Stellenbosch University, 2011-12)

ENGLISH ABSTRACT: In reverse iodine transfer polymerisation (RITP), chain transfer agents (CTAs) are generated in situ from the reaction between 2,2’-azobis(isobutyronitrile) (AIBN) and molecular iodine. This stage of ...
The non-covalent compatibilization of carbon nanotubes for use in polymeric composite materials

Scharlach, Kerstin (Stellenbosch : Stellenbosch University, 2014-04)

ENGLISH ABSTRACT: Since the discovery of carbon nanotubes (CNTs), a large interest has developed around the incorporation of these into polymeric matrices in order to introduce the excellent mechanical, thermal and ...
Novel materials for VOC analysis

Malan, Mareta (Stellenbosch : Stellenbosch University, 2012-12)

ENGLISH ABSTRACT: The need to analyse and detect volatile organic compounds (VOCs) at trace levels has led to the development of specialized sample preparation techniques. The requirement for trace analysis of VOCs stems ...
Novel palladium (II) complexes belonging to a family of potential catalytic precursors

Blewett, Gavin (Stellenbosch : Stellenbosch University, 2006-12)

ENGLISH ABSTRACT: This study comprises the preparation and characterization of various novel organometallic complexes of palladium(ll) which contain symmetric and unsymmetric (heteroatom-containing) r..-dicarbonyl-type ...
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 ...
Nuwe aspekte van a-olefien hidroformilering met groep 9 metaalkomplekse

Julius, Gerrit Richard (Stellenbosch : Stellenbosch University, 2002-12)

ENGLISH ABSTRACT: Please refer to fulltext for abstract
Nuwe karbeenkomplekse en die 'kompleks van komplekse' konsep in ligandontwerp

Du Toit, Maria (Stellenbosch : Stellenbosch University, 2003-12)

ENGLISCH ABSTRACT: Please refer to fulltext for abstract
Nuwe reaksies van gedeprotoneerde Fischer-tipe karbeenkomplekse

Stander, Elzet (2005-03)

This study comprises the preparation and characterisation of completely new Fischer-type carbene complexes of chromium and tungsten by deprotonation of (CO)5M=C(NMe2)(Me), (CO)5M=C(OMe)(Me) or (CO)5M=C(NMe2)C≡CH, and ...
Die objektiewe evaluering van geurstowwe

Le Roux, J. (Jozua) (Stellenbosch : Stellenbosch University, 1967-03)

ENGLISH ABSTRACT: no abstract available
Organic-inorganic hybrid graft copolymers of polystyrene and polydimethylsiloxane

Sutherland, Aimee Celeste (Stellenbosch : University of Stellenbosch, 2010-03)

ENGLISH ABSTRACT: Hybrid graft copolymers of polystyrene (PSty) and polydimethylsiloxane macromonomers (PDMS) were synthesised. PSty-g-PDMS was synthesised employing the grafting through technique via a conventionally ...
Palladium and copper complexes based on dendrimeric and monofunctional N, N’ chelating ligands as potential catalysts in the oxidative carbonylation of alcohols

Mketo, Nomvano (Stellenbosch : University of Stellenbosch, 2010-03)

ENGLISH ABSTRACT: In this thesis we describe the synthesis of several new N-(n-propyl)-1-(2-pyridyl and quinolyl)-imine ligands (ML1-ML4) as well as peripheral functionalised iminopyridyl and iminoquinolyl poly(propylene-imine) ...
Polar ordering of guest molecules in host-guest inclusion complexes

Bezuidenhout, Charl Xavier (Stellenbosch : Stellenbosch University, 2011-12)

ENGLISH ABSTRACT: 2,7-dimethylocta-3,5-diyne-2,7-diol forms inclusion complexes with various guests molecules, where the guest molecules are polar-ordered. A Cambridge Structural Database (CSD) search revealed ten inclusion ...
Poly(acrylonitrile/methyl acrylate) copolymers and clay nanocomposites : structural and property relationships

Zengeni, Eddson (Stellenbosch : University of Stellenbosch, 2009-12)

ENGLISH ABSTRACT: The preparation of poly(acrylonitrile/methyl acrylate) [poly(AN-co-MA)] copolymers and poly(AN-co-MA)/clay nanocomposites, via emulsion polymerization, their characterisation, and the relationships ...
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 ...
Poly(N-Vinylpyrrolidone) based biomimetic hydrogels

Wilken, Celeste (Stellenbosch : Stellenbosch University, 2012-03)

ENGLISH ABSTRACT: In the modern, fast moving society of today, there is a strong focus in research placed on the elimination of lengthy invasive medical procedures. Target specific, and chemo selective treatments are of ...