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Browsing by Subject "Nanocrystals"

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Characterization of polypropylene/polystyrene boehmite alumina nanocomposites: Impact of filler surface modification on the mechanical, thermal, and rheological properties

Author: Malwela, Thomas ; Khumalo, VM ; Salehiyan, Reza ; Ray, Suprakas S Date: Jul 2018 The influences of surface treatment and the concentration of boehmite alumina (BA) particles on polypropylene and polystyrene (PS) (80/20) blends produced via melt compounding were examined. The results show that p-toluene sulfonic acid-treated ... Read more
Electrospun chitosan-based nanocomposite mats reinforced with chitin nanocrystals for wound dressing

Author: Naseria, N ; Algana, C ; Jacobs, V ; John, Maya J ; Oksmana, K ; Mathew, AP Date: Aug 2014 The aim of this study was to develop electrospun chitosan/polyethylene oxide-based randomly oriented fiber mats reinforced with chitin nanocrystals (ChNC) for wound dressing. Microscopy studies showedporous mats of smooth and beadless fibers ... Read more
Enhanced exciton emission from ZnO nano-phosphor induced by Yb3+ ions

Author: Kabongo, GL ; Mhlongo, Gugu H ; Mothudi, BM ; Hillie, KT ; Swart, HC ; Dhlamini, MS Date: 2014 In this work, the sol–gel method was used to prepare Ytterbium (Yb(sup3+)) doped ZnO nano-phosphors with different concentrations of Yb(sup3+) ions. Their structural, morphological, photoluminescence, electronic states and the chemical ... Read more
Ionic liquid-assisted synthesis of Ag/Ag2Te nanocrystals via a hydrothermal route for enhanced photocatalytic performance

Author: Kumar, Neeraj ; Ray, Suprakas S ; Ngila, JC Date: Oct 2018 Herein, Ag(subscript2)Te and Ag/Ag(subscript2)Te nanocrystals were synthesised via a hydrothermal method using diphenyl ditelluride as a new tellurium source and 1-butyl-3-methyl imidazolium acetate (BMIA IL) as a structure controlling and ... Read more
Morphological and thermal properties of photodegradable biocomposite films

Author: Kesavan Pillai, Sreejarani ; Ray, SS ; Scriba, Manfred R ; Ojijo, Vincent O ; Hato, MJ Date: Jul 2013 Biocomposites containing ultraviolet (UV) radiation absorbing inorganic nanofillers are of great interest in food packaging applications. The biodegradable polylactide (PLA) composite films were prepared by solvent casting method by incorporating ... Read more
Morphological characteristics and thermal, rheological, and mechanical properties of cellulose nanocrystals-containing biodegradable poly(lactic acid)/poly(e-caprolactone) blend composites

Author: Motloung, Mpho P ; Ojijo, Vincent O ; Sinha Roy, Jayita Date: Nov 2019 This work investigates the effect of cellulose nanocrystal (CN) loading on the properties of polylactide/poly(e-caprolactone) (PLA/PCL) (70/30) blend processed in a twin-screw extruder as a potential material that can be utilized in various ... Read more

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Browsing by Subject "Nanocrystals"

Browsing by Subject "Nanocrystals"

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