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Characterization of melt flow instabilities in polyethylene/carbon nanotube composites
| Indexado |
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| DOI | 10.1016/J.POLYMER.2010.06.016 | ||||
| Año | 2010 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
At high shear rates, the gross melt fracture instability is completely erased in the nanocomposites based on the linear polymer whereas in short chain branched polyethylene the amplitude of this bulk distortion is rather moderated. These changes were confirmed by on-line pressure measurements using the novel capillary rheometer set-up. Based on our results, it is concluded that carbon nanotubes drastically affect the non-linear molecular dynamic leading to polyethylene melt flow instabilities. (C) 2010 Elsevier Ltd. All rights reserved.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | PALZA-CORDERO, HUMBERTO CRISTIAN | Hombre |
Universidad de Chile - Chile
|
| 2 | Reznik, Boris | Hombre |
Karlsruhe Inst Technol - Alemania
Karlsruhe Institute of Technology - Alemania Karlsruher Institut für Technologie - Alemania |
| 3 | Kappes, M. | - |
Karlsruhe Inst Technol - Alemania
Karlsruhe Institute of Technology - Alemania Karlsruher Institut für Technologie - Alemania |
| 4 | Hennrich, F. | - |
Karlsruhe Inst Technol - Alemania
Karlsruhe Institute of Technology - Alemania Karlsruher Institut für Technologie - Alemania |
| 5 | Naue, Ingo F. C. | Hombre |
Karlsruhe Inst Technol - Alemania
Karlsruhe Institute of Technology - Alemania Karlsruher Institut für Technologie - Alemania |
| 6 | Wilhelm, Manfred | Hombre |
Karlsruhe Inst Technol - Alemania
Karlsruhe Institute of Technology - Alemania Karlsruher Institut für Technologie - Alemania |
| Fuente |
|---|
| CONICYT |
| Fondo Nacional de Desarrollo Científico y Tecnológico |
| Comisión Nacional de Investigación Científica y Tecnológica |
| Alexander von Humboldt Foundation |
| Comisión Nacional de Investigación CientÃfica y Tecnológica |
| Fondo Nacional de Desarrollo CientÃfico, Tecnológico y de Innovación Tecnológica |
| Alexander von Humboldt-Stiftung |
| DFG-Priority |
| Agradecimiento |
|---|
| The authors gratefully acknowledge the financial support of CONICYT, project FONDECYT INICIACION EN INVESTIGACION 11075001, the support of the Alexander von Humboldt Foundation as well as the support of the DFG-Priority program 1299: "Adapting surfaces for high temperature applications". An acknowledgment is due to Thermo Scientific for providing us with the mini extruder and to Bayer Material Science AG, specifically to Dr. H. Meyer, for providing the CNTs. We would like to thanks the GOTTFERT GmbH, specifically to Dr. J. Sunder and DR. A. Gottfert, for making our ideas toward this special set-up commercially available. The authors are also grateful to Prof. H. Bockhorn for the provision of laboratory facilities for SEM investigations. |
| The authors gratefully acknowledge the financial support of CONICYT , project FONDECYT INICIACION EN INVESTIGACION 11075001, the support of the Alexander von Humboldt Foundation as well as the support of the DFG-Priority program 1299: “Adapting surfaces for high temperature applications”. An acknowledgment is due to Thermo Scientific for providing us with the mini extruder and to Bayer Material Science AG, specifically to Dr. H. Meyer, for providing the CNTs. We would like to thanks the GOTTFERT GmbH, specifically to Dr. J. Sunder and DR. A. Gottfert, for making our ideas toward this special set-up commercially available. The authors are also grateful to Prof. H. Bockhorn for the provision of laboratory facilities for SEM investigations. |
