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Browsing by Author "Luyt, AS"

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Development of multifunctional nano/ultrafiltration membrane based on a chitosan thin film on alginate electrospun nanofibres

Author: Mokhena, Teboho C ; Luyt, AS Date: Jul 2017 The aim of this study was to develop a high flux three-tier composite membrane composed of a coating layer based on chitosan and chitosan with silver nanoparticles, electrospun alginate nanofibres as a midlayer and nonwoven as a mechanical ... Read more
Effect of expandable graphite on thermal and flammability properties of poly(lactic acid)-starch/poly(E-caprolactone) blend systems

Author: Mngomezulu, ME ; Luyt, AS ; Chapple, Stephen A ; Mathew, Maya J Date: Sep 2018 The effect of expandable graphite (EG) on the flammability and thermal stability of a poly(lactic acid) (PLA)-starch/poly(E-caprolactone) (PCL) blend was investigated. The samples were prepared by melt-mixing and characterized by thermogravimetric ... Read more
Effect of surface funcionalized carbon nanotubes on the morphology, as well as thermal, thermomechanical, and crystallization properties of polyactide

Author: Ramontja, J ; Ray, SS ; Kesavan Pillai, Sreejarani ; Luyt, AS Date: Jan 2011 This paper discusses various properties of Poly(lactide) upon nanocomposite formation with functionalized multiwalled carbon nanotubes (f-MWCNTs). The composite was prepared through melt extrusion technique. Functionalization of carbon nanotubes ... Read more
The effect of synthetic antioxidants on the oxidative stability of biodiesel

Author: Focke, WW ; Van der Westhuizen, I ; Lofté Grobler, AB ; Nshoane, KT ; Reddy, JK ; Luyt, AS Date: Apr 2012 Biodiesels were prepared using base catalyzed methanolysis of sunflower, soybean and canola oils. Rancimat oxidative stability measurements showed that the induction period (IP) for neat canola biodiesel conformed to EN 14214, the European ... Read more
Electrospun alginate nanofibres as potential bio-sorption agent of heavy metals in water treatment

Author: Mokhena, Teboho C ; Jacobs, Nokwindla V ; Luyt, AS Date: Mar 2017 This paper reports on the potential of the electrospun alginate nanofibre membranes to be used for the bio-sorption of heavy metals from aqueous solutions. Poly(ethylene oxide) (PEO) and its blends were electrospun at an applied voltage of ... Read more
Electrospun alginate nanofibres impregnated with silver nanoparticles: Preparation, morphology and antibacterial properties

Author: Mokhena, Teboho C ; Luyt, AS Date: Jun 2017 Silver nanoparticles are amongst the most valuable nanoparticles with interesting properties, such as a non-toxic nature and high antibacterial efficiency, making them applicable for tissue scaffold, protective clothing and wound dressing. ... Read more
High-performance carbon nanotube-reinforced bioplastic

Author: Ramontja, J ; Ray, SS ; Kesavan Pillai, Sreejarani ; Luyt, AS Date: Dec 2009 The inherent properties of poly(lactide), a biocompatible and biodegradable polymer, are concurrently improved by the incorporation of a small amount of surface functionalized carbon nanotubes. A new method has been used to functionalize the ... Read more
Kenaf fiber-reinforced copolyester biocomposites

Author: Mokhothu, Thabang H ; Guduri, BR ; Luyt, AS Date: Dec 2011 In this study the morphology and properties of a biodegradable aliphatic–aromatic copolyester mixed with kenaf fiber were investigated. Untreated kenaf fiber, as well as kenaf fiber treated with NaOH, and with NaOH followed by silane coupling ... Read more
Morphology, thermal and dynamic mechanical properties of poly(lactic acid)/expandable graphite (PLA/EG) flame retardant composites

Author: Mngomezulu, ME ; Luyt, AS ; Mathew, Maya J Date: Dec 2017 This work reports on the effect of expandable graphite (EG) on the morphology, thermal and dynamic mechanical properties of flame retardant poly(lactic acid) (PLA)/EG composites. The composites were prepared by melt-mixing and their structure, ... Read more
Poly(lactic acid)-starch/expandable graphite (PLA-starch/EG) flame retardant composites

Author: Mngomezulu, ME ; Luyt, AS ; Chapple, Stephen A ; John, Maya J Date: Jan 2018 This work reports on the effect of commercial expandable graphite (EG) on the flammability and thermal decomposition properties of PLA-starch blend. The PLA-starch/EG composites were prepared by melt-mixing and their thermal stability, volatile ... Read more
A review on electrospun bio-based polymers for water treatment

Author: Mokhena, Teboho C ; Jacobs, V ; Luyt, AS Date: May 2015 Over the past decades, electrospinning of biopolymers down to nanoscale garnered much interest to address most of the millennia issues related to water treatment. The fabrication of these nanostructured membranes added a new dimension to the ... Read more
Review on flammability of biofibres and biocomposites

Author: Mngomezulu, ME ; John, Maya J ; Jacobs, V ; Luyt, AS Date: Oct 2013 The subject on flammability properties of natural fibre-reinforced biopolymer composites has not been broadly researched. This is not only evidenced by the minimal use of biopolymer composites and/or blends in different engineering areas where ... Read more
Studies on single polymer composites of poly(methyl methacrylate) reinforced with electrospun nanofibers with a focus on their dynamic mechanical properties

Author: Matabola, KP ; De Vries, AR ; Luyt, AS ; Kumar, R Date: Jul 2011 The dynamic mechanical properties of single polymer composites of poly(methyl methacrylate) (PMMA) reinforced with electrospun PMMA nanofibers of different diameters are reported. The effect of electrospinning parameters on the morphology and ... Read more

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Browsing by Author "Luyt, AS"

Browsing by Author "Luyt, AS"

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