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Browsing by Subject "Polymer blends"

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Compatibilization of polymer blends by shear pulverization

Author: Ojijo, Vincent O ; Kesavan Pillai, Sreejarani Date: 2020 Solid-state shear pulverization (SSSP) is a relatively new high-pressure and shear deformation technique, which relies on mechanochemical reactions between polymer chains in solid state. One of it applications is in the compatibilization of ... Read more
Effect of boehmite alumina nanofiller incorporation on the morphology and thermal properties of functionalized poly(propylene)/polyamide 12 blends

Author: Ogunniran, ES ; Sadiku, R ; Ray, Suprakas S ; Luruli, N Date: Aug 2011 A composite of boehmite alumina nanoparticles and a PP/PA12 blend is prepared. WAXD and SEM suggest that a low filler loading enhances the coalescence of PA12, whereas a higher loading reverses the situation. DSC, DMA and TGA reveal that the ... Read more
Effect of nanoclay on the nonisothermal crystallization of poly(propylene) and its blend with poly[(butylene succinate)-co-adipate]

Author: Bandyopadhyay, J ; Ray, Suprakas S Date: May 2012 The non-isothermal crystallization behaviour and kinetics of neat poly(propylene)(PP), PP/poly[(butylene succinate)-co-adipate] (PP/PBSA) blend and its composite with nanoclay was studied by differential scanning calorimetry at six different ... Read more
In situ FTIR spectroscopic study of the effect of CO2 sorption on H-bonding in PEG–PVP mixtures

Author: Labuschagne, Philip W ; Kazarian, SG ; Sadiku, RE Date: May 2011 A study of the H-bonding between poly(ethylene glycol) (PEG) and polyvinylpyrrolidone (PVP) in the presence of supercritical carbon dioxide at various temperatures, pressures, different M(w) of PEG and PVP and different PEG/PVP ratios is ... Read more
The influence of blend ratio on the morphology, mechanical, thermal, and rheological properties of PP/LDPE blends

Author: Mofokeng, Tladi G ; Ojijo, Vincent O ; Ray, Suprakas S Date: Oct 2016 This paper reports on how the blend ratio and morphology influence the mechanical, thermal, thermomechanical, and rheological properties of poly(propylene) (PP)/low density polyethylene (LDPE) blends. The blend morphology is composed of the ... Read more
Investigation of the degree of homogeneity and hydrogen bonding in PEG/PVP blends prepared in supercritical CO2: comparison with ethanol-cast blends and physical mixtures

Author: Labuschagne, Philip W ; John, Maya J ; Sadiku, RE Date: Jul 2010 The degree of homogeneity and H-bond interaction in blends of low-molecular-mass poly(ethylene glycols) (PEG, Mw = 400, 600, 1000) and poly(vinylpyrrolidone) (PVP, Mw =9×103) prepared in supercritical CO2, ethanol and as physical mixtures ... Read more
Investigation of the effects of substrate annealing on the properties of polymer blends

Author: Motaung, DE ; Malgas, GF ; Arendse, CJ ; Malwela, T Date: Jun 2010 The authors investigate the effect of substrate annealing prior to the deposition of the active layer on the morphological, structural and opto-electrical properties of two variations of organic polymer blends of poly (3-hexylthiophene):C60 ... Read more
Microstructure development and its influence on the properties of styrene-ethylene-butylene-styrene/polystyrene blends

Author: Banerjee, R ; Ray, Suprakas S ; Ghosh, AK Date: Apr 2018 The present work is a novel attempt to understand the microstructure of styrene-ethylene-butylene-styrene (SEBS)/polystyrene (PS) blends not only through morphological studies, but also thermal, mechanical and rheological characterizations. ... Read more
Morphology and thermal properties of compatibilized PA12/PP blends with boehmite alumina nanofiller inclusions

Author: Ogunniran, ES ; Sadiku, R ; Ray, SS ; Luruli, N Date: Dec 2011 Boehmite alumina nanoparticles are added to PP-g-MAH-compatibilized blends of PA 12 and PP to study the effects of nanoparticle loading in the resulting composites. WAXD and SEM data suggest that the nanoparticles enhanced the coalescence of ... Read more
Processing-driven morphology development and crystallization behavior of immiscible polylactide/poly(vinylidene fluoride) blends

Author: Salehiyan, Reza ; Ray, Suprakas S ; Ojijo, Vincent O Date: Aug 2018 Processing‐driven morphology development and crystallization behavior of immiscible polymer blends are of high significance for the development of polymeric materials with controllable properties. This study correlates processing‐induced ... Read more
Role of organically modified layered silicate both as an active interfacial modifier and nanofiller for immiscible polymer blends.

Author: Ray, SS ; Bousmina, M Date: May 2007 The role of organically modified layered silicate as a compatibilizer for immiscible polystyrene (PS) with polypropylene (PP) or polypropylene grafted with maleic anhydride (PP-g-MA) blends was investigated. Scanning electron micrographs (SEM) ... Read more
Role of special interfacial area in controlling properties of immiscible blends of biodegradable polylactide and poly[(butylene succinate)-co-adipate

Author: Ojijo, Vincent O ; Ray, Suprakas S ; Sadiku, R Date: Dec 2012 Binary blends of two biodegradable polymers: polylactide (PLA), which has high modulus and strength but is brittle, and poly[(butylene succinate)-co-adipate] (PBSA), which is flexible and tough, were prepared through batch melt mixing. The ... 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

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Browsing by Subject "Polymer blends"

Browsing by Subject "Polymer blends"

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