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Isothermal Vulcanization and Non-Isothermal Degradation Kinetics of XNBR/Epoxy/XNBR-g-Halloysite Nanotubes (HNT) Nanocomposites
Abstract
The effect of several concentrations of carboxylated nitrile butadiene rubber (XNBR) functionalized halloysite nanotubes (XHNTs) on the vulcanization and degradation kinetics of XNBR/epoxy compounds were evaluated using experimental and theoretical methods. The isothermal vulcanization kinetics were studied at various temperatures by rheometry and differential scanning calorimetry (DSC). The results obtained indicated that the nth order model could not accurately predict the curing performance. However, the autocatalytic approach can be used to estimate the vulcanization reaction mechanism of XNBR/epoxy/XHNTs nanocomposites. The kinetic parameters related to the degradation of XNBR/epoxy/XHNTs nanocomposites were also assessed using thermogravimetric analysis (TGA). TGA measurements suggested that the grafted nanotubes strongly enhanced the thermal stability of the nanocomposite.
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Authors (8)
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Seyed Paran
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran P.O. Box 14965/115, Iran
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Ghasem Naderi
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran P.O. Box 14965/115, Iran
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Elnaz Movahedifar
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, Tehran P.O. Box 14965/115, Iran
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Maryam Jouyandeh
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran P.O. Code 14176/14411, Iran
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Xavier Colom
- Department of Chemical Engineering, Universitat Politècnica de Catalunya Barcelona Tech., Terrassa, 08222 Barcelona, Spain
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Javier Cañavate
- Department of Chemical Engineering, Universitat Politècnica de Catalunya Barcelona Tech., Terrassa, 08222 Barcelona, Spain
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Mohammad Saeb
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran P.O. Code 14176/14411, Iran
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Details
- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
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Materials
no. 14,
ISSN: 1996-1944 - Language:
- English
- Publication year:
- 2021
- Bibliographic description:
- Paran S., Naderi G., Movahedifar E., Jouyandeh M., Formela K., Colom X., Cañavate J., Saeb M.: Isothermal Vulcanization and Non-Isothermal Degradation Kinetics of XNBR/Epoxy/XNBR-g-Halloysite Nanotubes (HNT) Nanocomposites// Materials -Vol. 14,iss. 11 (2021), s.2872-
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/ma14112872
- Verified by:
- Gdańsk University of Technology
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