Browsing by Author "Ouederni, Mabrouk"
Now showing items 1-13 of 13
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A novel alternative to free oil remediation and recovery: Foamy absorbents designed from low molecular paraffinic waste
Krupa, Igor; Mahmoud, Abdelrahman; Sobolciak, Patrik; Popelka, Anton; Mrlik, Miroslav; Minarik, Antonin; Gasmi, Soumia; Ouederni, Mabrouk; Adham, Samer... more authors ... less authors ( Elsevier , 2022 , Article)This study focuses on preparing porous, hydrophobic, and oleophilic hydrocarbon-based foams applicable for removing free oils from water surfaces. Paraffinic waste material generated during industrial production of low-density ... -
An Adhesion Improvement of Low-Density Polyethylene to Aluminum through Modification with Functionalized Polymers
Nassr, Mohamed; Krupa, Igor; Ouederni, Mabrouk; Krishnamoorthy, Senthil K.; Popelka, Anton ( MDPI , 2023 , Article)An interfacial adhesion improvement between low-density polyethylene (LDPE) and aluminum (Al) foil is an important challenge in designing multilayered packaging (TetraPak packaging type) due to insufficient inherent adhesion ... -
A comparative study of the treatment of ethylene plant spent caustic by neutralization and classical and advanced oxidation
Hawari, Alaa; Ramadan, Hasanat; Abu-Reesh, Ibrahim; Ouederni, Mabrouk ( Academic Press , 2015 , Article)The treatment of spent caustic produced from an ethylene plant was investigated. In the case of neutralization alone it was found that the maximum removal of sulfide was at pH values below 5.5. The higher percentage removal ... -
Effect of chain structure on the properties of Glass fibre/polyethylene composites
AlMaadeed, M.A.; Ouederni, Mabrouk; Khanam, P. Noorunnisa ( Elsevier, Ltd , 2013 , Article)Three types of polyethylenes (low density: LDPE, medium density: MDPE, and high density: HDPE) were used to investigate the effect of chain branching on the dispersion and adhesion in Glass fibre reinforced polymer composites. ... -
Effect of waste wax and chain structure on the mechanical and physical properties of polyethylene
AlMaadeed, M.A.; Labidi, Sami; Krupa, Igor; Ouederni, Mabrouk ( Elsevier B.V. , 2015 , Article)The influence of adding waste wax, produced as a by-product of the low density polyethylene manufacturing process, on the thermal and mechanical properties of three types of polyethylene (PE), high-density polyethylene ... -
Enhancement of adhesion characteristics of low-density polyethylene using atmospheric plasma initiated-grafting of polyethylene glycol
Al-Gunaid, Taghreed A.; Krupa, Igor; Ouederni, Mabrouk; Krishnamoorthy, Senthil K.; Popelka, Anton ( MDPI AG , 2021 , Article)The low-density polyethylene/aluminum (LDPE/Al) joint in Tetra Pak provides stability and strength to food packaging, ensures protection against outside moisture, and maintains the nutritional values and flavors of food ... -
Foamed phase change materials based on recycled polyethylene/paraffin wax blends
Sobolčiak, Patrik; Mrlik, Miroslav; Popelka, Anton; Minařík, Antonín; Ilcikova, Marketa; Srnec, Peter; Nogellova, Zuzana; Ouederni, Mabrouk; Krupa, Igor... more authors ... less authors ( MDPI , 2021 , Article)Foamed phase-change materials (FPCMs) were prepared using recycled linear low-density polyethylene (LLDPE) blended with 30 wt.% of paraffin wax (PW) and foamed by 1,1′-azobiscarbamide. The protection of pores’ collapse ... -
Heat transfer performance of paraffin wax based phase change materials applicable in building industry
Sobolciak, Patrik; Abdelrazeqa, Haneen; Ozerkan, Nesibe Gozde; Ouederni, Mabrouk; Nogellova, Zuzana; AlMaadeed, Mariam A.; Karkri, Mustaph; Krupa, Igor... more authors ... less authors ( Elsevier Ltd , 2016 , Article)Thermal characterization of phase change materials (PCMs) compose of linear low-density polyethylene (LLDPE), paraffin wax (W) with a melting point of 25 °C, and expanded graphite (EG), that are highly effective in thermal ... -
Improvement of aluminum/polyethylene adhesion through corona discharge
Popelka, Anton; Krupa, Igor; Novák, Igor; Al-Maadeed, Mariam Ali S A; Ouederni, Mabrouk ( Institute of Physics Publishing , 2017 , Article)Polyethylene (PE) is often used in several industrial applications including the building, packaging and transport industries. Aluminum (Al) is widely used in different applications in the automotive, railway, aeronautic, ... -
Modification of polyethylene by RF plasma in different/mixture gases
Abusrafa, Aya E.; Habib, Salma; Krupa, Igor; Ouederni, Mabrouk; Popelka, Anton ( MDPI AG , 2019 , Article)Herein, low-density polyethylene (LDPE) films were treated using radio-frequency plasma discharge in the presence of air, nitrogen, oxygen, argon, and their mixtures to introduce new chemical functionalities. The surface ... -
Natural aging of shape stabilized phase change materials based on paraffin wax
Krupa, Igor; Sobolčiak, Patrik; Abdelrazeq, Haneen; Ouederni, Mabrouk; Al-Maadeed, Mariam ( Elsevier Ltd , 2017 , Article)Natural aging of shape-stabilized phase change materials containing linear low density polyethylene (LLDPE), paraffin wax and expanded graphite (EG) in Qatari climate has been studied. It was found that expanded graphite ... -
New Processing Technique To Improve Physical And Mechanical Properties Of Graphene Nanocomposites
Alali Almaadeed, Mariam; Khanam Patan, Noorunnisa; Ouederni, Mabrouk; Harkin Jones, Eileen; Mayoral, Beatriz ( Hamad bin Khalifa University Press (HBKU Press) , 2014 , Conference Paper)Nanocomposites are commonly used in many applications and new processing techniques are required to improve mechanical and physical properties of these materials. Graphene nanoplatelets (GNPs) have high aspect ratio and ... -
Polyisobutylene (PIB)-NHC Supported Catalysts for Cross-Coupling Reactions: A Green and Sustainable Protocol
El-Zoghbi, Ibrahim; Hlil, Antisar R.; Al-Meer, Saeed; Ouederni, Mabrouk; Tuba, Robert; Al-Hashimi, Mohammed; Grubbs, Robert H.; Bazzi, Hassan S.... more authors ... less authors ( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)N-Heterocyclic Carbenes (NHCs): Over the last two decades N-Heterocyclic carbenes (NHCs) have immensely attracted chemists in nearly all fields of chemistry. N-Heterocyclic carbenes are commonly encountered in coordination ...