Preparation of Emulsion Polymerization from Styrene Vinylpyrrolidone and Studying their Thermal Stability and Electrical Conductivity
| Автори | Azza Mazrouaa1, Abdelfatah Badawi1, Nahla Mansour1, Mohamed Fathy1, Maher Elsabee2 |
| Приналежність | 1 Petrochemical Department, Egyptian Petroleum Research Institute (EPRI), 1 Ahmed El-Zomor St., Nasr City, 11727 Cairo, Egypt 2 Department of Chemistry, Faculty of Science, Cairo University, 12613 Giza, Egypt |
| Е-mail | azza_mazroua2005@yahoo.com |
| Випуск | Том 5, Рік 2013, Номер 4 |
| Дати | Одержано 24.08.2013, опубліковано online - 31.01.2014 |
| Посилання | Azza Mazrouaa, Abdelfatah Badawi, Nahla Mansour, et al., J. Nano- Electron. Phys. 5 No 4, 04063 (2013) |
| DOI | |
| PACS Number(s) | 47.57.jb, 72.80.Le |
| Ключові слова | Styrene (2) , Vinyl pyrrolidone, Copolymer, Emulsion polymerization, Nanometal oxides, FTIR (29) , 1HNMR spectroscopy, TEM and electrical conductivity. |
| Анотація | Copolymer styrene and vinylpyrrolidone were prepared using different techniques. The emulsion polymerization technique was chosen as it gives the highest molecular weight with polymer particles in the nanorange. The polymer nanocomposites were prepared using Pickering emulsion polymerization stabilized by adding inorganic nanosized particles. Ag nanometal and nanometal oxides of CuO, ZnO and AgO were added into the copolymer for enhancing its thermal stability and electrical conductivity. The nanocomposite chemical structure was confirmed by using FTIR, 1HNMR spectroscopy and TEM. Transmission electron microscopy, TEM photos show that the copolymer particles are almost in the nanoscale region. The thermal stability (TGA) of styrene-co-vinylpyrrolidone in the presence of the nanometal and nanometal oxides was slightly increased. The electrical conductivity of these nanocomposites using dc at different temperatures was measured. The data reveal that the nanocomposites are enhanced by adding the nanometal and nanometal oxides. |
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