Browsing Materials Science & Technology by Author "Al-Maadeed, M.A."
Now showing items 1-10 of 10
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Biotechnological production process and life cycle assessment of graphene
Khanam, P. Noorunnisa; Popelka, Anton; Alejji, Maryam; Al Maadeed, M. A. ( Hindawi , 2017 , Article)The aim of this study is to compare the graphene produced using a biotechnological method (Escherichia coli) with the graphene produced by Hummers' method (a chemical method) and to study the effect on the energy consumption ... -
Characterizing Biaxially Stretched Polypropylene / Graphene Nanoplatelet Composites
Mayoral, B.; Menary, G.; Martin, P.; Garrett, G.; Millar, B.; Douglas, P.; Khanam, N.; AlMaadeed, M.A.; Ouederni, M.; Hamilton, A.; Sun, D.... more authors ... less authors ( Frontiers Media S.A. , 2021 , Article)In this work, polypropylene (PP) nanocomposites containing different weight concentration of graphene nanoplatelets (GNP) were prepared by melt-mixing using an industrial-scale, co-rotating, intermeshing, twin-screw extruder. ... -
Flexible pressure sensor based on PVDF nanocomposites containing reduced graphene oxide-titania hybrid nanolayers
Al-Saygh A.; Ponnamma D.; AlMaadeed M.A.; Poornima Vijayan P.; Karim A.; Hassan M.K.... more authors ... less authors ( MDPI AG , 2017 , Article)A novel flexible nanocomposite pressure sensor with a tensile strength of about 47 MPa is fabricated in this work. Nanolayers of titanium dioxide (titania nanolayers, TNL) synthesized by hydrothermal method are used to ... -
Improved flexible, controlled dielectric constant material from recycled LDPE polymer composites
Noorunnisa Khanam, P.; Al-Maadeed, M. A.; Mrlik, Miroslav ( Springer Nature , 2016 , Article)In this study, recycled low density polyethylene (RLDPE) is developed with the addition of aluminum oxide (Al2O3) to have new polymer composites. The following wt% were used of the filler (1, 4 and 6 wt%). Tensile properties, ... -
Materials and technologies for the tertiary treatment of produced water contaminated by oil impurities through nonfibrous deep-bed media: A review
Sobolciak P.; Popelka A.; Tanvir A.; Al-Maadeed M.A.; Adham S.; Krupa I.... more authors ... less authors ( MDPI AG , 2020 , Article)This review covers various aspects of the treatment of emulsified oil/water mixtures and is particularly focused on tertiary treatment, which means the reduction of the oil content from 70-100 ppm to below 10 ppm, depending ... -
Melt processing and properties of linear low density polyethylene-graphene nanoplatelet composites
P., Noorunnisa Khanam; AlMaadeed, M.A.; Ouederni, M.; Harkin-Jones, Eileen; Mayoral, Beatriz; Hamilton, Andrew; Sun, Dan... more authors ... less authors ( Elsevier , 2016 , Article)Composites of Linear Low Density Polyethylene (LLDPE) and Graphene Nanoplatelets (GNPs) were processed using a twin screw extruder under different extrusion conditions. The effects of screw speed, feeder speed and GNP ... -
Melt Processing and Properties of Polyamide 6/Graphene Nanoplatelet Composites
Mayoral, B.; Harkin-Jones, E.; Noorunnisa Khanam, P.; AlMaadeed, M. A.; Ouederni, M.; Hamilton, A.; Sun, D.... more authors ... less authors ( ICCCM , 2015 , Conference Paper)In this paper, the processing and characterization of Polyamide 6 (PA6) / graphite nanoplatelets (GNPs) composites is reported. PA6/GNPs composites were prepared by melt-mixing using an industrial, co-rotating, intermeshing, ... -
Mussel-mimicking sulfobetaine-based copolymer with metal tunable gelation, self-healing and antibacterial capability
Mrlík, Miroslav; Špírek, Mário; Al-Khori, Jassim; Ahmad, Ali Abdulrahman; Mosnaček, Jaroslav; AlMaadeed, Mariam AlAli; Kasák, Peter... more authors ... less authors ( Elsevier B.V. , 2020 , Article)In the present study, the sulfobetaine-based copolymer bearing a dopamine functionality showed gel formation adjusted by the application of metal salts for gelation and various values of pH. Normally, the liquid-like ... -
Piezo- and Thermoelectric Materials from Biopolymer Composites
Ponnamma D.; Ogunleye G.J.; Sharma P.; AlMaadeed M.A. ( Elsevier Inc. , 2017 , Book chapter)Energy or power harvesting materials based on polymer nanocomposites have emerged as stable sources of electrical energy. Their wider applications ranging from aerospace to military and from automobiles to e-clothing signify ... -
Thermal properties of TiO 2 NP/CNT/LDPE hybrid nanocomposite films
Zagho M.M.; AlMaadeed M.A.; Majeed K. ( MDPI AG , 2018 , Article)This work aims to investigate the effect of hybrid filler concentration on the thermal stability of low-density polyethylene (LDPE) matrices. LDPE-based composite films were synthesized by melt mixing, followed by compression ...