Search Results - "Abdel Ghaffar, A.M"

Properties of grafted polymer metal complexes as ion exchangers and its electrical conductivity by El-Arnaouty, M.B., Abdel Ghaffar, A.M., Eid, M.

“…A polyelectrolyte has been prepared, as a potential proton exchange polymer, by grafting acrylic acid/acrylamide (AAc/AAm) and acrylic acid/acrylonitrile…”
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Nano-modification of polyamide thin film composite reverse osmosis membranes by radiation grafting by El-Arnaouty, M.B., Abdel Ghaffar, A.M., Eid, M., Aboulfotouh, Maysara E., Taher, N.H., Soliman, El-Sayed

“…Radiation synthesis of reverse osmosis membranes were carried out by grafting of N-Isopropyl acrylamide (NIPAM) and ZnO nanoparticles incorporation onto…”
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Preparation and Effect of Gamma Radiation on The Properties and Biodegradability of Poly(Styrene/Starch) Blends by Ali, H.E., Abdel Ghaffar, A.M.

“…Biodegradable blends based on Poly(styrene/starch) Poly(Sty/Starch) were prepared by the casting method using different contents of starch in the range of…”
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Radiation Synthesis of Poly(Starch/Acrylic acid) pH Sensitive Hydrogel for Rutin Controlled Release by Abdel Ghaffar, A.M., Radwan, Rasha R., Ali, H.E.

“…The copolymerization of starch with acrylic acid AAc using direct gamma radiation technique was performed. The effect of AAc concentrations on the gel (%) and…”
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Effect of Gamma Radiation on the Properties of Crosslinked Chitosan Nano-composite Film by Abdel Ghaffar, A. M., Ali, H. E., Nasef, Sh. M., El-Bialy, Heba A.

“…Chitosan nano-composite film crosslinked by citric acid and with glycerol as plasticizer and MgO as antibacterial agent was prepared by casting method. MgO…”
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Radiation synthesis and characterization of zinc phthalocyanine composite based on 2-hydroxyethyl methacrylate/methyl methacrylate copolymer by Abdel Ghaffar, A.M., Youssef, Tamer E., Mohamed, Hanan H.

“…The synthesis and characterization of new 2-hydroxyethyl methacrylate-co-methyl methacrylate/zinc phthalocyanine composite Poly(HEMA/MMA/ZnPc) is described for…”
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Synthesis and characterization of hydrogels based on grafted chitosan for the controlled drug release by Sokker, H.H., Abdel Ghaffar, A.M., Gad, Y.H., Aly, A.S.

“…Temperature and pH-responsive hydrogels based on chitosan grafted with poly acrylic acid (PAAc), poly hydroxy propyl methacrylate (PHPMA), poly (vinyl alcohol)…”
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Electrical Conductivity of Chitosan/Dimethyl Amino Ethyl Methacrylate/Metal Composite Prepared by Gamma Radiation by El-Arnaouty, M. B., Eid, M., Abdel Ghaffar, A. M., Y. Abd El-Wahab, Soad

“…Dimethyl amino ethyl methacrylate was grafted onto chitosan using gamma irradiation technique. The grafting (%) was increased with irradiation dose increment…”
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Radiation synthesis and characterization of Poly(butyl methacrylate/acrylamide) copolymeric hydrogels and heparin controlled drug release by El-Arnaouty, M. B., Abdel Ghaffar, A. M., Aboulfotouh, Maysara E., Taher, N. H., Taha, Ahmed A.

“…Radiation-induced copolymerization of butyl methacrylate/acrylamide has been investigated. It was observed that as the irradiation dose increases, the gelation…”
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Synthesis and characterization of hydrogels based on grafted chitosan for the controlled drug release by Sokker, H.H, Abdel Ghaffar, A.M, Gad, Y.H, Aly, A.S

“…Temperature and pH-responsive hydrogels based on chitosan grafted with poly acrylic acid (PAAc), poly hydroxy propyl methacrylate (PHPMA), poly (vinyl alcohol)…”
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Radiation graft copolymerization of butyl methacrylate and acrylamide onto low density polyethylene and polypropylene films, and its application in wastewater treatment by Abdel Ghaffar, A.M., El-Arnaouty, M.B., Aboulfotouh, Maysara E., Taher, N.H., Taha, Ahmed A.

“…Butyl methacrylate and acrylamide (BMA/AAm) comonomers were grafted onto low-density polyethylene (LDPE) and polypropylene (PP) films using the mutual gamma…”
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Preparation and radiation effect on composite films containing both polypropylene and novel phthalocyanines with functionalized bulky phenoxy groups by Youssef, Tamer E, Abdel Ghaffar, A.M

“…Novel symmetrically substituted 2,3,9,10,16,17,23,24-octa(p-methylphenoxy)phthalocyanines [(p-methylphenoxy)₈PcM (3-5, where Pc is phthalocyanine and M is H₂…”
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Radiation-induced graft copolymerization of acrylic acid/acrylonitrile onto LDPE and PET films and its biodegradability by El-Arnaouty, M. B., Abdel Ghaffar, A. M., El Shafey, H. M.

“…Graft copolymerization of acrylic acid/acrylonitrile (AAc/AN) comonomer onto low‐density poly(ethylene) (LDPE) and poly(ethylene terephthalate) (PET) films…”
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Modeling the nonlinear seismic behavior of cable-stayed bridges with passive control bearings by Ali, H.M., Abdel-Ghaffar, A.M.

“…A three-dimensional nonlinear finite element model is developed for cable-stayed bridges under static and dynamic loadings based on the total Lagrangian…”
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Modeling of Rubber and Lead Passive-Control Bearings for Seismic Analysis by Ali, Hosam-Eddin M, Abdel-Ghaffar, Ahmed M

“…A finite-element model is presented for rubber, steel and lead devices for seismic isolation and energy dissipation applications. A large displacement large…”
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