Now showing items 11-20 of 112
Thermal and mechanical properties of LPDE/SISAL fibre composites compatibilized with paraffin waxes
(University of the Free State (Qwaqwa Campus), 2010-03)
The effects of maleic anhydride grafted Fitscher-Tropsch paraffin wax (MA-g-wax) and oxidised Fischer-Tropsch paraffin wax (OxWax) content on the morphology, thermal, mechanical and thermomechanical properties of LDPE/sisal ...
A solution and solid state study of niobium complexes
(University of the Free State, 2012-01)
English: This research project focused on the investigation and identification of various niobium(V) complexes containing selected O,O’-bidentate ligands that could potentially be used for the selective separation of ...
Development and validation of bioanalytical assay methods for fentanyl in human plasma
(University of the Free State, 2004)
Abstract not available
Phosphorus bidentate ligand interaction at platinum group metals: A catalytic and solid state study
(University of the Free State, 2015-02)
English: Hydroformylation of alkenes (olefins) is one of the world’s leading aldehyde producing process. The resulting aldehydes can easily be converted to secondary products such as alcohols for production of plasticizers ...
Wood-polymer composites utilizing degraded polyolefins as compatabilizers
(University of the Free State (QwaQwa Campus), 2011-12)
English: The effect of degraded LDPE (dLDPE) as compatibilizer on the morphology, as well as thermal, mechanical, and thermo-mechanical properties, of LDPE/wood flour (WF) composites was investigated in this study. The ...
Synthesis, electrochemistry and density functional theory calculations on chrome and cobalt carbene and betadiketonato complexes
(University of the Free State, 2014)
English: Two series of metal(β-diketonato)3 complexes were synthesized: tris(β-diketonato)chromium(III) complexes (where β-diketonato = [R1COCHCOR2]- = acac, ba, dbm, tfba, tfth, tffu, tfaa, hfaa) and tris(β-diketonato)cobalt(III) ...
Rhodium(I) betadiketone complexes as model catalysts in methanol carbonylation
(University of the Free State, 2009-06-09)
Abstract not available
Studies towards the development of African phytomedicines from Combretum apiculatum and Galenia africana
(University of the Free State, 2015-01)
Nearly 80% of the world population use traditional medicine, mainly medicinal plants, to treat diseases and ailments. In developing countries and rural communities, the use of traditional medicine is a valuable resource ...
Parameters influencing regioselectivity in the palladium catalysed carbonylation of stilbenes and related alkenes
(University of the Free State, 2013-01)
English: Flavonoids are polyphenolic naturally occurring compounds with a wide variety of biological and physiological activities, like anti-platelet, anti-inflammatory, antioxidant, antiviral, antiallergenic, and antitumor ...
Phase change materials based on polyethylene, paraffin wax and wood flour
(University of the Free State (Qwaqwa Campus), 2009-11)
Phase change material (PCM) composites based on high-density polyethylene (HDPE) with soft (M3) and hard (H1) Fischer-Tropsch paraffin waxes and alkali-treated wood flour (WF) were investigated in this study. Both the ...