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International Journal of Engineering، جلد ۲۸، شماره ۵، صفحات ۶۵۴-۶۶۱
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عنوان انگلیسی Characterization of Polypyrrole-hydroxyethylcellulose/TiO2 Nanocomposite: Thermal Properties and AFM Analysis
چکیده انگلیسی مقاله Polypyrrole–hydroxyethylcellulose/TitaniumDioxide (PPy-HEC/TiO2) nanocomposite was synthesized via in situ chemical oxidative polymerization method at room temperature in water and water/ethyl acetate solution in the presence of ferric chloride (FeCl3). The effect of TiO2 nanoparticles and HEC on the characteristics of products such as thermal stability and morphology was investigated. The fabricated composite and nanocomposite morphology and structure were examined by atomic forced microscopy (AFM), Scanning electron microscope (SEM), Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD) and Thermal gravimetric analysis (TGA). The AFM images of products indicated that hydroxyethylcellulose decreased the surface roughness of nanocomposite. Also, hydroxyethylcellulose decreased particle size. The molecular structure of product was determined by FTIR spectroscopy. The results of XRD confirmed crystalline structure of TiO2 nanoparticles and partly crystalline structure of PPy-HEC/TiO2 nanocomposite. Thermogravimetric analyzer (TGA) was used to study the thermal behavior of nanocomposite. The TGA curves indicated that TiO2 and HEC enhanced thermal stability of products.
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نویسندگان مقاله mahmoud Roushani |
Department of Chemistry‎, ilam university

marzie Kolbadi nezhad |
School of Chemical Gas and Petroleum Engineering, , semnan university

Zahra Tagipour kolaei |
Department of Chemical Engineering, Babol University of Technology

marjan tanzifi |
Department of Chemical Engineering, ilam university

نشانی اینترنتی http://www.ije.ir/article_72502_02866ed1b8d77a53e0348ec832704c57.pdf
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زبان مقاله منتشر شده en
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