Search Results - "El‐Nashar, Doaa E."

Polyvinyl chloride/ styrene butadiene rubber polymeric blend filled with bismuth subcarbonate (BiO)2CO3 as a shielding material for gamma rays by Samir, Asmaa, El‐Nashar, Doaa E., Ashour, Ahmed H., Medhat, Mohamed, El‐Kameesy, Samir U.

“…The polymer blend polyvinyl chloride/styrene‐butadiene rubber filled of (BiO)2CO3 with different concentrations (20, 30, 40, and 60 phr) were prepared by roll…”
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Gallate ester of castor oil as a multifunctional additive in HAF carbon black–filled natural rubber composites by Kandil, Heba, Samy, Moshera, El‐Nashar, Doaa E.

“…A multifunctional additive based on castor oil (gallate ester of castor oil [GECO]) for rubber composites was synthesized via esterification between castor oil…”
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Assessment of modified rice husk powder/ethylene propylene diene monomer (EPDM) nanocomposites for biomedical applications by Amin, Amal, Kandil, Heba, Soliman, Abdelmohsen, Rabia, A.M., El. Nashar, Doaa E., Ismail, Mohamed Nader

“…The nanocomposite of nano rice husk powder (nRHP)–ethylene propylene diene monomer (EPDM) was prepared from modified nRHP and EPDM with different formulations…”
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Enhancing The Mechanical and Dielectric Properties of EPDM Filled with Nanosized Rice Husk Powder by Amin, Amal, Kandil, Heba, Rabia, A. M., Nashar, Doaa E. El, Ismail, Mohamed Nader

“…Promising nanocomposites (EPDM-nRHP) were prepared from EPDM/ nanosized rice husk powder (nRHP) in the presence of HRH system as modifying dry bonding agent…”
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Lignin as a dry bonding system component in EPDM/microcrystalline cellulose composites by Kandil, Heba, Youssef, Ahmed M., El Nashar, Doaa E.

“…This study aims at using lignin in place of resorcinol in hexamethylene‐tetramine, resorcinol and hydrated silica (HRH) bonding system for ethylene propylene…”
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Jojoba seed powder as eco‐friendly antioxidant for rubber products by Kandil, Heba, Nashar, Doaa E. El, Ward, Azza A., Khalaf, Aman I.

“…In search of a new class of antioxidants for rubber products, plant based antioxidants have emerged as a suitable alternative to traditional antioxidants…”
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Effect of gamma irradiation and lead content on the physical and shielding properties of PVC/NBR polymer blends by Atef, Salma, El-Nashar, Doaa E., Ashour, A. H., El-Fiki, S., El-Kameesy, S. U., Medhat, M.

“…In the present work, polyvinylchloride/acrylonitrile butadiene rubber PVC/NBR was blended on a Brabender mixer. The blends obtained were cured with peroxide…”
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Evaluation of acrylonitrile rubber containing zinc oxide as safety products by El Nashar, Doaa E., Tawfik, Soheir Y., Helaly, Fahima M., Khalaf, Aman I., Soliman, Abdelmohsen M.

“…The goal of this research is to find the ideal formulation with the best antimicrobial performance in terms of rheological, physicomechanical, and lowest toxic…”
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Evaluation of controlled release PVC/PEG polymeric films containing 5-fluorouracil for long-term antitumor by Khalaf, Aman I., El Nashar, Doaa E., Helaly, Fahima M., Soliman, Abdelmohsen

“…The polymeric film based on polyvinyl chloride (PVC)/polyethylene glycol (PEG) and starch cellulose acetate (SCA) using trioctyltrimellitate (TOTM) as a…”
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Novel prepared nano potassium methyl siliconate as antioxidant for nitrile rubber by Mahmoud, Doaa S, Elsayed, AE, Reffaee, AA, El-Nashar, Doaa E

“…In this work, novel potassium methyl siliconate (PMS) was employed as a new nano-type antioxidant for acrylonitrile-butadiene rubber (NBR). NBR/PMS composites…”
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Effects of antimicrobial agents on the processing and performance properties of rubber material formulations with no cytotoxicity by El Nashar, Doaa E., Helaly, Fahima M., Khalaf, Aman I., Rozik, Nehad N., Kandil, Heba, Koriem, Adel A., Ellaban, Ayman M., Abd El‐Moez, Sherein I., Soliman, Abdelmohsen M.

“…The present work aims to develop antimicrobial rubber for safe industrial toys. For this purpose, natural rubber (NR) and synthetic rubber as styrene butadiene…”
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Slow‐release nanopolymeric biodegradable composites holding doxorubicin and evaluation its antiproliferative potency on cancer by Helaly, Fahima M., El Nashar, Doaa E., Khalaf, Aman I., Abdelhamid, Hala F., Wietrzyk, Joanna, Psurski, Mateusz, Soliman, Abdelmohsen

“…This work represents the functionalization of nanoscale biodegradable polymer and controls its sustained release rate for long time period. The polymer was…”
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Polyvinyl chloride/ styrene butadiene rubber polymeric blend filled with bismuth subcarbonate (BiO) 2 CO 3 as a shielding material for gamma rays by Samir, Asmaa, El‐Nashar, Doaa E., Ashour, Ahmed H., Medhat, Mohamed, El‐Kameesy, Samir U.

“…The polymer blend polyvinyl chloride/styrene‐butadiene rubber filled of (BiO) 2 CO 3 with different concentrations (20, 30, 40, and 60 phr) were prepared by…”
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RAFT Terminated Hyperbranched Functionalized Nano Rice Husk Powder / EPDM Nanocomposite for Biomedical Applications by Kandil, Heba, El-Sawy, Eslam R, Awad, Hanem M, Doaa EEl Nashar, Amin, Amal

“…Modified nanosize rice husk powder (i.e. mod.nRHP; mod.nRHP-MA-RAFT-H)/ethylene propylene diene monomer (EPDM) nanocomposite was prepared by solvent casting…”
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The use of montmorillonite as a reinforcing and compatibilizing filler for NBR/SBR rubber blend by ESSAWY, Hisham, EL-NASHAR, Doaa

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