Browsing by Author "Al-Maadeed, Mariam"
Now showing items 1-6 of 6
-
Cellulose nanofibers to assist the release of healing agents in epoxy coatings
Vijayan P, Poornima; Tanvir, Aisha; El-Gawady, Yara Hany; Al-Maadeed, Mariam ( Elsevier B.V. , 2017 , Article)Epoxy monomer and amine curing agents were immobilized on cellulose nanofibers (CNF). Obtained epoxy immobilized CNF (EiCNF) and amine curing agent immobilized CNF (AiCNF) were characterized using Fourier transform infrared ... -
Challenges for Higher Education in Crisis Stricken Times – The Effects of Covid-19 in Preparing Universities for Future
Al-Maadeed, Mariam; Marques, Miguel Athayde; المعاضيد, مريم; ماركيز, ميغيل أتايد ( دار نشر جامعة قطر , 2020 , Article)This viewpoint analyses the status and transformation of Higher Education institutions during unpredicted great challenges such as the current Covid-19, which disrupted most of the economies on the planet. The changes ... -
Nanoclay compatibilization of phase separated polysulfone/polyimide films for oxygen barrier
Ammar, Ali; Elzatahry, Ahmed; Al-Maadeed, Mariam; Alenizi, Abdullah M.; Huq, Abul F.; Karim, Alamgir... more authors ... less authors ( Elsevier Ltd , 2017 , Article)Polyimide (PI) and Polysulfone (PSF) films are used in many applications ranging from electronic film capacitors to membranes for gas separation and water purification, yet their phase separation issues limit many potential ... -
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 FLEXIBLE POLYVINYLIDENE FLUORIDE NANOCOMPOSITES FOR FUTURE APPLICATIONS
Alsaygh, Aisha Nagi (2017 , Master Thesis)In this work, we report novel flexible polyvinylidene fluoride (PVDF) hybrid pressure sensors with good mechanical properties. Hybrid combinations of reduced graphene oxide (rGO) with different nano metal oxides -titanium ... -
Self-repairing composites for corrosion protection: A review on recent strategies and evaluation methods
Vijayan, Poornima; Al-Maadeed, Mariam ( MDPI AG , 2019 , Article Review)The use of self-healing coatings to protect metal substrates, such as aluminum alloys, stainless steel, carbon steel, and Mg alloys from corrosion is an important aspect for protecting metals and for the economy. During ...