Browsing Materials Science & Technology by Author "Krupa, Igor"
Now showing items 1-9 of 9
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2D Ti3C2Tx (MXene)-reinforced polyvinyl alcohol (PVA) nanofibers with enhanced mechanical and electrical properties
Sobolčiak, Patrik; Ali, Adnan; Hassan, Mohammad K.; Helal, Mohamed I.; Tanvir, Aisha; Popelka, Anton; Al-Maadeed, Mariam A.; Krupa, Igor; Mahmoud, Khaled A.... more authors ... less authors ( Public Library of Science , 2017 , Article)Novel 2D Ti3C2Tx (MXene)-reinforced polyvinyl alcohol (PVA) nanofibers have been successfully fabricated by an electrospinning technique. The high aspect ratio, hydrophilic surfaces, and metallic conductivity of delaminated ... -
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 ... -
Enhancement of photovoltaic module performance by thermal management using shape-stabilized PCM composites
Safna, Nishad; Ahmad, Zubair; Krupa, Igor ( Elsevier , 2024 , Article)Thermal management of photovoltaic (PV) panels is crucial due to the deterioration of their electrical efficiency at elevated operating temperatures. Therefore, thermal protection of PV against overheating is highly required. ... -
Evaluation of photothermal conversion performance of shape-stabilized phase change materials using a heat flux evolution curve
Nishad, Safna; Mohammed, Himyan; Sobolciak, Patrik; Krupa, Igor ( Elsevier , 2023 , Article)Phase change materials are promising alternatives for solar energy harvesting by photothermal conversion and thermal energy storage. In this work, a shape-stabilized phase change material (PCM) was prepared by hot-melt ... -
Highly conductive phase change composites based on paraffin-infiltrated graphite panels for photo/electrothermal conversion and storage
Nishad, Safna; Kasak, Peter; Krupa, Igor ( Elsevier , 2023 , Article)The extensive utilization of phase change materials (PCMs) for thermal energy harvesting, storage, and thermal management is often constrained by their inadequate thermal and electrical conductivity, form instability, and ... -
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, ... -
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 ... -
Purification of emulsified oily polluted waters with modified melamine foams
Hailan, Sarah; Sobolciak, Patrik; Kasak, Peter; Popelka, Anton; Tong, Yongfeng; Adham, Samer; Krupa, Igor... more authors ... less authors ( Elsevier , 2023 , Article)Oil and gas industry operations produce tremendous amounts of wastewater (produced water; PW). Tertiary treatment of the PW in the final treatment stage is challenging due to the presence of colloids with sizes < 500 nm ... -
Thermal characterization of phase change materials based on linear low-density polyethylene, paraffin wax and expanded graphite
Sobolciak, Patrik; Karkri, Mustapha; Al-Maadeed, Mariam A.; Krupa, Igor ( Elsevier Ltd , 2016 , Article)Thermal characterization of Phase Change Materials (PCMs) based on linear low-density polyethylene (LLDPE), paraffin wax (W) and expanded graphite (EG) is reported in this paper. Investigated PCMs showed high potential for ...