Geopolymers
Inorganic polymeric new materials
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M. Bakass
M. Bakass
Faculté des Sciences Semlalia, Laboratoire de Recherche sur la Réactivité des Matériaux et l’Optimisation des Procédés, REMATOP, Université Cadi Ayyad, B.P. 2390, Marrakech, Morroco
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H. Bahaj
H. Bahaj
Faculté des Sciences Semlalia, Laboratoire de Recherche sur la Réactivité des Matériaux et l’Optimisation des Procédés, REMATOP, Université Cadi Ayyad, B.P. 2390, Marrakech, Morroco
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R. Benaddi
R. Benaddi
Faculté des Sciences Semlalia, Laboratoire de Recherche sur la Réactivité des Matériaux et l’Optimisation des Procédés, REMATOP, Université Cadi Ayyad, B.P. 2390, Marrakech, Morroco
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C. Bayane
C. Bayane
Faculté des Sciences Semlalia, Laboratoire de Recherche sur la Réactivité des Matériaux et l’Optimisation des Procédés, REMATOP, Université Cadi Ayyad, B.P. 2390, Marrakech, Morroco
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Abstract
The objective of this article is to study an amorphous superabsorbent polymer, which is able to absorb up to 300 times its weight of water. Adsorption–desorption phenomena of water vapor on the polymer as a function of temperature showed a reversibility of the adsorption–desorption phenomena. The thermal stability of the polymer at atmospheric pressure was also studied. The kinetic study of the desorption phenomena of water vapor on the polymer according to certain physicochemical parameters was discussed. The results showed that the kinetic regime governing the desorption phenomena of water vapor on the polymer is a process limited by a mono-dimensional diffusion for low masses and by a three-dimensional diffusion for high masses.
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| Journal of Thermal Analysis and Calorimetry | |
|---|---|
| Language | English |
| Size | A4 |
| Year of Foundation |
1969 |
| Volumes per Year |
1 |
| Issues per Year |
24 |
| Founder | Akadémiai Kiadó |
| Founder's Address |
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. |
| Publisher | Akadémiai Kiadó Springer Nature Switzerland AG |
| Publisher's Address |
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11. |
| Responsible Publisher |
Chief Executive Officer, Akadémiai Kiadó |
| ISSN | 1388-6150 (Print) |
| ISSN | 1588-2926 (Online) |
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Temperature dependence of the rate of reaction in thermal analysis
The Arrhenius equation in condensed phase kinetics
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