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Browsing by Subject "Crystallization"

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Anomalous impact strength for layered double hydroxide-palmitate/poly(e-caprolactone) nanocomposites

Author: Moyo, Lumbidzani ; Makhado, E ; Ray, Suprakas S Date: Nov 2014 Inherent physical properties and commercial availability makes poly(e-caprolactone) (PCL) very attractive as a potential substitute material for nondegradable polymers for commodity applications. However, a balance of toughness and stiffness ... Read more
Crystallization and thermal properties of Polylactide/Palygorskite composites

Author: Kesavan Pillai, Sreejarani ; Ojijo, Vincent O ; Ray, Suprakas S Date: Jun 2014 Polylactide palygorskite (fibrous clay) composites were prepared by solvent casting method. Both pristine and organically modified palygorskite were used for composite preparation. The detailed crystallization behavior, morphology, and thermal ... Read more
Ductility improvements of PLA-based binary and ternary blends with controlled morphology using PBAT, PBSA, and nanoclay

Author: Nofar, M ; Salehiyan, Reza ; Ciftci, U ; Jalali, A ; Durmus, A Date: Feb 2020 In this study, binary and ternary immiscible blends of polylactide (PLA) with poly[(butylene adipate)-co-terephthalate] (PBAT) and poly[(butylene succinate)-co-adipate] (PBSA) were prepared through an injectionmolding (IM) process. Blend ... Read more
Influence of nucleation and growth mechanisms on the heat deflection temperature of a reactively processed polypropylene nanocomposite

Author: Bandyopadhyay, Jayita ; Mekoa, Raphaahle C ; Makwakwa, Dimakatso M ; Skosana, Sifiso ; Ray, Suprakas S Date: Feb 2021 The development of a reactively processed polypropylene nanocomposite (PPNC) with consequential improvements in the heat deflection temperature (HDT), Vicat softening temperature (VST), and crystallization peak temperature (Tc) is reported ... Read more
Morphology and thermal properties of recycled polyacrylonitrile fiber blends with poly(ethylene terephthalate): Microstructural characterization

Author: Adegbola, TA ; Rotimi, SE ; Suprakas, Sinha R Date: Apr 2016 The compounding of rPAN/PET [polyacrylonitrile/poly(ethylene terephthalate]; 30/70, 50/50, and 70/30 wt %) using a melt-blending technique was the main focus of this investigation. An X-ray diffraction study indicated the possibility of ... Read more
Morphology, thermal properties and crystallization kinetics of ternary blends of the polylactide and starch biopolymers and nanoclay: The role of nanoclay hydrophobicity

Author: Wokadala, OC ; Ray, SS ; Bandyopadhyay, J ; Wesley-Smith, J ; Emmambux, NM Date: Aug 2015 Polylactide/butylated-starch/nanoclay (70/25.5/4.5 wt%) composites were prepared by melt blending with nanoclays of varying hydrophobicity. Electron microscopy studies indicated that the interphase boundary interaction was highest in the clay ... Read more
Study of morphology and crystal growth behaviour of nanoclay-containing biodegradable polymer blend thin films using atomic force microscopy

Author: Malwela, T ; Ray, SS Date: Apr 2012 Thin films of unmodified and nanoclay-modified polylactide/poly(butylene succinate) (PLA/PBS) blends were prepared on a glass substrate with a spin coater. The morphology and crystal growth behaviours for the films, crystallized at different ... Read more
Thermal stability of hot-wire deposited amorphous silicon

Author: Arendse, CJ ; Knoesen, D ; Britton, DT Date: Apr 2006 The material properties of hydrogenated amorphous silicon (a-Si:H) have been known to change when exposed to elevated temperatures. In this work the authors report on the thermal stability of the structural disorder, hydrogen content and ... Read more
Thermal stability of the optical band gap and structural order in hot-wire-deposited amorphous silicon

Author: Arendse, CJ ; Malgas, G ; Oliphant, CJ ; Muller, TFG ; Knoesen, D Date: 2009 The material properties of hydrogenated amorphous silicon (a-Si:H) have been known to change when exposed to elevated temperatures. In this work researchers report on the thermal stability of the optical band gap and structural disorder in ... Read more

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Browsing by Subject "Crystallization"

Browsing by Subject "Crystallization"

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