Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Maroof A. Hegazy"'
Autor:
Hend A. Ezzat, Maroof A. Hegazy, Rasha Ghoneim, Heba Y. Zahran, Ibrahim S. Yahia, Hanan Elhaes, Ahmed Refaat, Medhat A. Ibrahim
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract Polytetrafluoroethylene (PTFE) is one of the most significant fluoropolymers, and one of the most recent initiatives is to increase its performance by using metal oxides (MOs). Consequently, the surface modifications of PTFE with two metal o
Externí odkaz:
https://doaj.org/article/d8a26dc5faa64289878c572dedc34a65
Autor:
Amina Omar, Rania Badry, Maroof A. Hegazy, Ibrahim S. Yahia, Hanan Elhaes, Heba Y. Zahran, Medhat IBRAHIM, Ahmed Refaat
Publikováno v:
Optical and Quantum Electronics. 54
The solution casting method was utilized to synthesize nanocomposite films of chitosan (Cs)/CuO, Cs/graphene oxide (GO), carboxymethyl cellulose (CMC)/TiO2, CMC/GO, sodium alginate (Na Alg)/TiO2, and Na-Alg/GO owing to their various applications. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cb30eafa6949926fb5269afade35d9b8
https://doi.org/10.1007/s11082-022-04107-7
https://doi.org/10.1007/s11082-022-04107-7
Publikováno v:
NRIAG Journal of Astronomy and Geophysics. 10:10-22
Nanocomposite natural polymer/metal oxide (NP/MO) is an attractive new technology for numerous applications as sensors, coatings, electronic devices, adhesives and optical circuits. NP includes cel...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02e353dbb47d8be26b474018f1af6ceb
https://doi.org/10.1080/20909977.2020.1846246
https://doi.org/10.1080/20909977.2020.1846246
Publikováno v:
NRIAG Journal of Astronomy and Geophysics. 9:586-597
Metal oxides enhance the electronic properties of natural polymers. Accordingly, natural polymers modified with metal oxides show potential application as cheap easily handled sensors. Model molecu...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dafa5f35726cc8ee6a90c21e30bed837
https://doi.org/10.1080/20909977.2020.1821573
https://doi.org/10.1080/20909977.2020.1821573
Autor:
Hend A. Ezzat, Maroof A. Hegazy, Ibrahim S. Yahia, Heba Y. Zahran, Hanan Elhaes, Medhat IBRAHIM
Introducing graphene (G) into the polymer matrix is supposed to improve both the electrical and optical characteristics, especially in space applications. To study the effect of metal oxide and G on PVC, a matrix of PVC/ZnO/G nanocomposite was prepar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f549f1306a6b5794d17077ec924f8e96
https://doi.org/10.21203/rs.3.rs-1276928/v1
https://doi.org/10.21203/rs.3.rs-1276928/v1
Autor:
Maroof A. Hegazy, Rasha Ghoneim, Hend A. Ezzat, Heba Y. Zahran, Ibrahim S. Yahia, Hanan Elhaes, Medhat Ibrahim
On polytetrafluoroethylene (PTFE) polymer nanocomposites coated with basically two metal oxides (MOs), SiO2 and ZnO, as well as a mixture of the two MOs, density functional theory (DFT) computations were performed. The B3LYPL/LAN2DZ model was used to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae5bff491e086116e94d1b5fb94400ca
https://doi.org/10.21203/rs.3.rs-1066883/v1
https://doi.org/10.21203/rs.3.rs-1066883/v1
Publikováno v:
Optical Materials. 135:113244
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0dbd85ed887264600f9e063913230f9e
https://doi.org/10.1016/j.optmat.2022.113244
https://doi.org/10.1016/j.optmat.2022.113244
Autor:
Hend A. Ezzat, Medhat A. Ibrahim, Hanan Matar, I.S. Yahia, Maroof A. Hegazy, Hanan Elhaes, Heba Y. Zahran
Nanomaterials improve the physical and electronic characteristics of polymer matrices, allowing the matrices to be used as low cost, easy to handle sensors. Nano ZnO oxide is forming nanocomposite with PVA modified with graphene. Rather than ZnO othe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fd984741d3e18313c5edc5b3f9167ef
https://doi.org/10.21203/rs.3.rs-990839/v1
https://doi.org/10.21203/rs.3.rs-990839/v1
Publikováno v:
Journal of Molecular Modeling. 27
Fluorinated ethylene propylene (Teflon FEP) was used as external layer thermal insulator for Hubble Space Telescope (HST) and on the outside surfaces of space crafts in the low earth orbit (LEO). Teflon FEP was eroding as a result of exposure to atom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a21c81e2dc17433aba2cc8a89868b183
https://doi.org/10.1007/s00894-021-04912-z
https://doi.org/10.1007/s00894-021-04912-z
Fluorinated Ethylene Propylene (Teflon FEP) is used as external layer thermal insulator for Hubble Space Telescope (HST) and on the outside surfaces of space crafts in the low earth orbit (LEO). Teflon FEP was eroding as a result of exposure to Atom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3267d98e454a5939da21024693002510
https://doi.org/10.21203/rs.3.rs-707124/v1
https://doi.org/10.21203/rs.3.rs-707124/v1