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Maha T. Sultan
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Medicine & Pharmacology

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Synthesis, Characterization and Study Thermal Stability of New Polythiadizole Derivatives / Silica Nanocomposites Maha T. Sultan
Journal of Global Pharma Technology Volume 11 Issue 2: 2019
Publisher : Journal of Global Pharma Technology

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Abstract

New nanocomposites containing polythiadizole were synthesized by free radical polymerization and examined their thermal properties. All monomers, polymers and nanocomposites were characterized by FT-IR spectroscopy. The thermal stability were investigated by thermo gravimetric (TG), differential scanning calorimetry (DSC) and differential thermal analysis (DTA). Synthesis of polymer and their nanocomposite had characterization by FT-IR, thermogravimetry (TG), Diffraction scanning callomatry DSC, Differential Thermal analysis DTA,the state of the nanocomposite were evaluated via X-ray diffraction (XRD).The results of thermal analysis showed that nanocomposite more stable than their polymers.  Keywords: Thermal stability, Polymers, Thiadiazole, Nano composite.
Synthesis New Polymeric Composite Materials Derivatives from thiosemicarbazide Maha T. Sultan
Journal of Global Pharma Technology Volume 12 Issue 02 (2020) Feb. 2020
Publisher : Journal of Global Pharma Technology

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Abstract

In this work tow monomers were prepared by using Thiosemicarbazide free-radical polymerization was used to polymerize monomers one with itself to produce tow polymers (P1, P2) and the second with Nano silica grafted meth acrylic acid to produce tow Nano composite (C1,C2) All the prepared compounds were characterized by FT-IR Spectroscopy. The structures of standard Nano silica and Nano composite were studied by Atomic Forces Microscopy (AFM).The X-ray diffraction offer information on molecular structure configuration of the Nano composite after modification which showed different in intensity between Nano silica and their Nano composite.Keywords: Triazole polymer, Nano composite, Modification.
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