Study of kinetics of thermal degradation and to determine the activation energies of polyamides based on s-triazine |
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| Affiliation: | 1. Shree Jayendrapuri Arts and Science College, Bharuch, 392001, Gujarat, India;2. C. B. Patel Computer College and J. N. M. Patel Science College, Bharthana (Vesu), Surat, 395017, Gujarat, India;3. Department of Chemistry, Veer Narmad South Gujarat University, Udhna-Magadalla Road, Surat, 395007, Gujarat, India;1. Department of Physics, Sri Paramakalyani College, Alwarkurichi, Affiliated to Manomaniam Sundaranar University, Tamil Nadu, India;2. Sri Paramakalyani College, Alwarkurichi, Affiliated to Manomaniam Sundaranar University, Tamil Nadu, India;1. Department of Mathematics, College of Engineering and Technology, Srinivas University, Mangalore, 574146, India;2. Department of Mathematics, Bapuji Institute of Engineering & Technology, Davanagere, 577004, India;3. Department of Computer Science & Engineering, Bapuji Institute of Engineering & Technology, Davanagere, 577004, India;4. Department of Chemistry, College of Engineering and Technology, Srinivas University, Mangalore, 574146, India;1. Inorganic Materials Research Laboratory, Department of Pure and Applied Chemistry, Faculty of Physical Sciences, University of Calabar, Calabar, Nigeria;2. Computational and Bio-Simulation Research Group, University of Calabar, Calabar, P.M.B 1115, Nigeria;1. CSIR — Central Leather Research Institute, Council of Scientific and Industrial Research (CSIR), Polymer Science and Technology, Adyar, Chennai, 600 020, India;2. Chemical Sciences, Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201 002, India;1. Department of Chemical Engineering, Indian Institute of Technology Guwahati, India;2. Department of Chemical Engineering, Institute of Chemical Technology Marathwada Campus, Jalna, India |
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| Abstract: | A series of ten polyamides was prepared by the high-temperature polycondensation of 4,6-bis(N-(4-(benzoylchloride)amino))-2-(N-phenyl- piperazin-1-yl)-1,3,5-triazine with different aromatic and aliphatic diamines. The synthesized polyamides were analyzed by physico-chemical properties such as solubility, density, viscosity etc. The structure of prepared polyamides was evaluated by 1H NMR and FTIR spectrum. Thermogravimetric analysis used to study the kinetics of thermal degradation of some synthesized polyamides. Broido, Horowitz & Metzger, Coats Redfern and Chan et al. models were applied to respective thermograms to determine the activation energy (Ea). Activation energy data shows that the polyamides obtained from aromatic diamine has greater stability than the polyamides obtained from aliphatic amine. |
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| Keywords: | Polycondensation High thermal stability Thermal degradation Activation energy Stability |
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