A New Method of Analyzing Thermogravimetric Data
TLDR
In this paper, a new method of obtaining the kinetic parameters from thermogravimetric curves has been proposed, which is simple and applicable to reactions which can not be analyzed by other methods.Abstract:
A new method of obtaining the kinetic parameters from thermogravimetric curves has been proposed. The method is simple and applicable to reactions which can not be analyzed by other methods. The effect of the heating rate on thermogravimetric curves has been elucidated, and the master curve of the experimental curves at different heating rates has been derived. The applications of the method to the pyrolyses of calcium oxalate and nylon 6 have been shown ; the results are in good agreement with the reported values. The applicability of the method to other types of thermal analyses has been discussed, and the method of the conversion of the data to other conditions of temperature change has been suggested. From these discussions, the definition of the thermal stability of materials has been criticized.read more
Citations
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Relationship between processing conditions, defects and thermal degradation of poly(vinylidene fluoride) in the β-phase
TL;DR: In this paper, the influence of the processing methods in the thermal stability of polyvinylidene fluoride (PVDF) samples was studied by UV-VIS spectroscopy and thermogravimetric analysis.
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Kinetics of thermal degradation applied to starches from different botanical origins by non-isothermal procedures
Luciana Simionatto Guinesi,Alessandra Luzia Da Róz,Elisângela Corradini,Luiz H. C. Mattoso,E. M. Teixeira,Antônio Aprígio da Silva Curvelo +5 more
TL;DR: In this paper, the authors used the non-isothermal isoconversional Wall-Flynn-Ozawa method on the TG/DTG curves to obtain the pre-exponential factor (0.10 − α ǫ − 0.70) for thermal degradation of corn, rice, potato and cassava starches.
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Isoconversional analysis of solid state transformations: A critical review. Part I. Single step transformations with constant activation energy
Jordi Farjas,Pere Roura +1 more
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Investigation of co-combustion characteristics of sewage sludge and coffee grounds mixtures using thermogravimetric analysis coupled to artificial neural networks modeling
Jiacong Chen,Jingyong Liu,Yao He,Limao Huang,Shuiyu Sun,Jian Sun,Ken-Lin Chang,Jiahong Kuo,Shaosong Huang,Xun-an Ning +9 more
TL;DR: Artificial neural network modeling was applied to thermal data obtained by non-isothermal thermogravimetric analysis (TGA) from room temperature to 1000°C at three different heating rates in air to predict the TG curves of sewage sludge and coffee grounds mixtures and showed that there were interactions between SS and CG, and the impacts were mostly positive.
Journal ArticleDOI
Investigation on kinetics of thermal decomposition in polysiloxane networks used as precursors of silicon oxycarbide glasses
TL;DR: In this paper, polysiloxane networks prepared by hydrosilylation or hydrolysis/condensation reactions were considered to be potential precursors for Si-C-O systems.
References
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Journal ArticleDOI
Kinetic Parameters from Thermogravimetric Data
A. W. Coats,J. P. Redfern +1 more
TL;DR: In this article, a thermocouple is used to measure the sample temperature in a Stanton HT-D thermobalance, the bead of which is positioned in or near the sample, depending on crucible design.
Journal ArticleDOI
A New Analysis of Thermogravimetric Traces.
H. H. Horowitz,Gershon. Metzger +1 more
Journal ArticleDOI
The Application of Thermoanalytical Techniques to Reaction Kinetics: The Thermogravimetric Evaluation of the Kinetics of the Decomposition of Calcium Oxalate Monohydrate
Eli S. Freeman,Benjamin Carroll +1 more
Journal ArticleDOI
Kinetic analysis of thermogravimetric data
TL;DR: The kinetic analysis of the thermogram, by use of either its exact equation or a more convenient approximation formula, is straightforward in cases of volatilization via simple kinetics as mentioned in this paper.
Journal ArticleDOI
Estimating isothermal life from thermogravimetric data
TL;DR: In this paper, the authors presented a method for estimating equivalent isothermal life from thermogravimetric data and for estimating the apparent activation energy for volatilization even though the nature of the kinetic process is unknown.
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