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Abstract
A combinatorial route has been applied in cure kinetics study of epoxy nanocomposites containing multi-walled carbon nanotubes (MWCNTs) based on differential scanning calorimetry and rheokinetic analyses under isothermal conditions. Pristine and amine-modified MWCNTs bearing primary and secondary amines were used at very low concentrations (0.1 and 0.3 wt.% based on epoxy weight). Model-free and model-fitting methods were applied on calorimetric data, and Kamal autocatalytic model revealed good agreement with the experimental data. In case of epoxy filled with amine-modified MWCNTs, activation energy took a value lower than that obtained for sample containing pristine MWCNTs at an identical loading because of less hindrance brought about by curing. Isothermal rheokinetic studies supported formation of a filler network during processing, which hindered epoxy-anhydride cure reaction at higher MWCNTs loadings leading to a highly crosslinked epoxy network.
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Authors (6)
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Poornima Vijayan
- Qatar University Center for Advanced Materials
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Debora Puglia
- University of Perugia Materials Engineering Centre, Department of Civil and Environmental Engineering
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Hadi Rastin
- University of Tehran College of Engineering, School of Chemical Engineering
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Mohammad Saeb
- Institute for Color Science and Technology, Tehran, Iran Department of Resin and Additives
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Behrouz Shojaei
- Amirkabir University of Technology, Tehran, Iran Department of Polymer Engineering and Color Technology
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
PROGRESS IN ORGANIC COATINGS
no. 108,
pages 75 - 83,
ISSN: 0300-9440 - Language:
- English
- Publication year:
- 2017
- Bibliographic description:
- Vijayan P., Puglia D., Rastin H., Saeb M., Shojaei B., Formela K.: Cure kinetics of epoxy/MWCNTs nanocomposites: Isothermal calorimetric and rheological analyses// PROGRESS IN ORGANIC COATINGS. -Vol. 108, (2017), s.75-83
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.porgcoat.2017.04.005
- Verified by:
- Gdańsk University of Technology
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