Konferenzbeitrag
Effect of graphene oxide on the thermal properties of bovine hide powders
Content: Graphene oxide (GO) is one of the most interesting nanomaterials in recent years. In order to explore its potential application in leather making process, a study on evaluating the effects of GO on the thermal stability and decomposition kinetics of bovine hide powders (HP) was performed by thermogravimetry. It was shown that the GO-doped hide powders (GO-HP) exhibit better thermal stability than those of raw hide powders. The kinetic and mechanism analysis of the decomposition stage used an integrated procedure involving model-free methods and universal master-plots method. Various methods were employed to calculate the activation energy of the fibers, including the Flynn-Wall-Ozawa (FWO), Modified Kissinger-Akahira-Sunose (MKAS) and Friedman methods. The activation energy values of GO-HP and raw hide powder were found to be 240.5 and 184.7 kJ/mol, respectively. Comparison of the experimental and theoretical master plots of various reaction mechanisms showed that when the conversion values are below 0.5, the most probable decomposition mechanism for HP and GO-HP is D1. Above 0.5, the decomposition mechanisms of HP and GO-HP are most probably described by A3 and R3 models, respectively. Take-Away: Graphene oxide (GO) doped hide powders (GO-HP) exhibit better thermal stability than those of raw hide powders. The activation energy values of GO-HP and raw hide powder were found to be 240.5 and 184.7 kJ/mol, respectively.
- Related object and literature
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urn:nbn:de:bsz:14-qucosa2-340872
qucosa:34087
- Subject
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Ingenieurwissenschaften
- Event
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Geistige Schöpfung
- (who)
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Luo, Lan
Zhang, Hao
Liu, Jie
Tang, Keyong
- Event
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Herstellung
- (who)
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International Union of Leather Technologists and Chemists Societies
- Event
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Veröffentlichung
- (who)
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Verein für Gerberei-Chemie und -Technik e. V.
Forschungsinstitut für Leder und Kunststoffbahnen (FILK) gGmbH
- URN
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urn:nbn:de:bsz:14-qucosa2-343162
- Last update
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14.03.2025, 8:16 AM CET
Data provider
Sächsische Landesbibliothek - Staats- und Universitätsbibliothek Dresden. If you have any questions about the object, please contact the data provider.
Object type
- Konferenzbeitrag
Associated
- Luo, Lan
- Zhang, Hao
- Liu, Jie
- Tang, Keyong
- International Union of Leather Technologists and Chemists Societies
- Verein für Gerberei-Chemie und -Technik e. V.
- Forschungsinstitut für Leder und Kunststoffbahnen (FILK) gGmbH
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