Browsing by Author "Luyt, A.S."
Now showing items 1-20 of 61
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Accelerated weathering effects on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and PHBV/TiO2 nanocomposites
Antunes, A.; Popelka, A.; Aljarod, O.; Hassan, M.K.; Kasak, P.; Luyt, A.S.... more authors ... less authors ( MDPI AG , 2020 , Article)The effect of accelerated weathering on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) and PHBV-based nanocomposites with rutile titanium (IV) dioxide (PHBV/TiO2) was investigated. The accelerated weathering test ... -
Adhesive properties of polyester treated by cold plasma in oxygen and nitrogen atmospheres
Novak, I.; Popelka, A.; Luyt, A.S.; Chehimi, M.M.; Spirkova, M.; Janigova, I.; Kleinova, A.; Stopka, P.; Vanko, V.; Chodak, I.; Valentin, M.; Slouf, M.... more authors ... less authors (2013 , Article)Polyester foil was treated by the surface diffuse barrier discharge (SDBD) plasma at atmospheric pressure in oxygen and/or in nitrogen containing a small amount of oxygen to improve its surface and adhesive properties. ... -
Are we closer to a solution for the plastics waste disaster which faces the earth
Luyt, A. S. ( BME-PT and GTE , 2019 , Article)[No abstract available] -
Artificial weathering and accelerated heat aging studies on low-density polyethylene (Ldpe) produced via autoclave and tubular process technologies
Luyt, A. S.; Gasmi, S. A.; Malik, S. S.; Aljindi, R. M.; Ouederni, M.; Vouyiouka, S. N.; Porfyris, A. D.; Pfaendner, R.; Papaspyrides, C. D.... more authors ... less authors ( BME-PT and GTE , 2021 , Article)Accelerated (artificial) weathering and thermal aging tests were performed to investigate the effectiveness of different formulations in reducing the UV/heat degradation extent for two low-density polyethylene types (LDPE-A, ... -
Can biodegradable plastics solve plastic solid waste accumulation ?
Luyt, A. S.; Malik, S. S. ( Elsevier , 2018 , Book chapter)Polymers are fast becoming a serious environmental hazard, and are normally disposed of through landfilling, recycling, and incineration. Landfill sites are becoming increasingly scarce, and incineration contributes to air ... -
Charge-trapping capability and AC conductivity at different humidities of poly(ethyleneimine)-TiO2-anthocyanin modified cellulose fibres.
Luyt, A.S.; Skipina, B.; Csoka, L.; Dudic, D. ( Springer Verlag , 2018 , Article)Modified cellulose materials are finding increasing application in electronics, because of the need for more environmental-friendly electronic circuits. The papers prepared from poly(ethyleneimine)–TiO2–anthocyanin-modified ... -
Computational studies for the effective electrical conductivity of copper powder filled LDPE/LLDPE composites
Singh, R. P.; Singh, S.; Gill, R.; Kumar, R.; Sharma, P.; Kumar, G.; Luyt, A. S.... more authors ... less authors ( National Institute of Science Communication and Information Resources , 2020 , Article)The effective electrical conductivity (EEC) of low density polyethylene (LDPE) and linear low density polyethylene (LLDPE) polymer composites filled with copper has been studied. The nonlinear behavior has been observed ... -
Crystallization and dielectric behavior of PLA and PHBV in PLA/PHBV blends and PLA/PHBV/TIO 2 nanocomposites
Gasmi S.; Hassan M.K.; Luyt A.S. ( BME-PT and GTE , 2019 , Article)The morphology, crystallization behavior and mechanical properties of PLA, PHBV and their blends and nanocomposites with TiO 2 as filler were investigated. An uncommon morphological change was observed with increasing PLA ... -
Development of value-added polyethylene grades with extended service lifetime: Weathering resistant flame retarded materials for outdoor applications
Porfyris, A. D.; Vouyiouka, S. N.; Luyt, A. S.; Korres, D. M.; Malik, S. S.; Gasmi, S.; Grosshauser, M.; Pfaendner, R.; Papaspyrides, C. D.... more authors ... less authors ( John Wiley and Sons Inc , 2021 , Article)The current article deals with the development of different novel, tailor-made polyolefin formulations exhibiting both low flammability and high weathering resistance, so as to provide value-added polyethylene grades with ... -
Dynamic mechanical properties of PLA/PHBV, PLA/PCL, PHBV/PCL blends and their nanocomposites with TiO2 as nanofiller
Mofokeng, J.P.; Luyt, A.S. ( Elsevier , 2015 , Article)The effect of blending and the addition of small amounts of TiO2 nanoparticles on the dynamic mechanical properties of PLA/PHBV, PLA/PCL and PHBV/PCL blends is reported in this paper. The storage modulus of the PLA/PHBV ... -
Eco-friendly foam biocomposites based on cellulose extracted from date palm leaves and low-density polyethylene
Maria H.J.; Luyt A.S.; Popelka A.; Nzihou A.; Egorov V.V.; Krupa I.; Al-Ali Al-Maadeed M.A.S.; Thomas S.... more authors ... less authors ( Web Portal IOP , 2020 , Article)The design of composite materials using environmentally compatible materials and adopting sustainable preparation techniques is very necessary for a better environment. The present study is a step towards developing an ... -
Editorial corner - A personal view are biodegradable polymers the solution to the world's environmental problems
Luyt, A. S. ( BME-PT and GTE , 2017 , Article)For all their useful properties, polymers are fast becoming a serious environmental hazard. Polymers are normally disposed through landfilling, recycling and incineration. Landfill sites, however, become increasingly scarce, ... -
Editorial corner - a personal view increasing service lifetime of commodity polymers in parallel with development of usable biodegradable polymers
Luyt, A. S. ( BME-PT and GTE , 2021 , Article)[No abstract available] -
Editorial: Using thermogravimetric analysis to determine polymer thermal stability: Relevance of changes in onset temperature of mass loss
Luyt, A.S. ( Budapest University of Technology , 2015 , Article)Editorial -
Effect of expandable graphite on thermal and flammability properties of poly(lactic acid)-starch/poly(ɛ-caprolactone) blend systems
Mngomezulu, Mfiso E.; Luyt, Adriaan S.; Chapple, Steve A.; John, Maya J. ( John Wiley and Sons Inc. , 2018 , Article)The effect of expandable graphite (EG) on the flammability and thermal stability of a poly(lactic acid) (PLA)-starch/poly(ɛ-caprolactone) (PCL) blend was investigated. The samples were prepared by melt-mixing and characterized ... -
The effect of expanded graphite on the flammability and thermal conductivity properties of phase change material based on PP/wax blends
Mochane, M.J.; Luyt, A.S. ( Springer , 2015 , Article)The study reports on the flammability, thermal stability, impact properties and thermal conductivity of shape-stabilized phase change materials based on a soft Fischer–Tropsch paraffin wax blended with polypropylene (PP). ... -
The effect of expanded graphite on the physical properties of conductive EVA/wax phase change blends for thermal energy storage
Mochane, M. J.; Luyt, A. S. ( John Wiley & Sons, Ltd. , 2015 , Article)A study of the morphology, dynamic mechanical, impact, and tensile properties of ethylene vinyl acetate copolymer (EVA)/expanded graphite (EG) and EVA/wax/EG composites is presented. The composites were prepared by melt ... -
The effect of expanded graphite on the thermal stability, latent heat, and flammability properties of EVA/wax phase change blends
Mochane, M.J.; Luyt, A.S. ( John Wiley & Sons, Ltd , 2015 , Article)This article reports on the morphology, melting and crystallization behavior, thermal stability, flammability and thermal conductivity of shape-stabilized phase-change materials (PCM) for thermal energy storage, based on ... -
Effect of layered silicates on the thermal stability of PCL/PLA microfibrillar composites
Mofokeng, J.P.; Kelnar, I.; Luyt, A.S. ( Elsevier , 2016 , Article)This paper reports on an investigation of the influence of the presence of two different clays, Cloisite 15A and Cloisite 30B, and fibre drawing on the degradation behaviour and kinetics of PCL/PLA composites. It was ... -
Effect of plasma treatment on accelerated pla degradation
Antunes, A.; Luyt, A. S.; Kasak, P.; Aljarod, O.; Hassan, M. K.; Popelka, A.... more authors ... less authors ( BME-PT and GTE , 2021 , Article)Poly(lactic acid) (PLA) has been found to be important in various applications, such as in the medical, pharma-ceutical, and packaging industries. However, the long-term associated degradation process of PLA is a limiting ...