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Personen: Qu, S. (Autor) 
Clarke, C. J. (Autor) 
Liu, Y. (Autor) 
Rafailovich, M. H. (Autor) 
Sokolov, J. (Autor) 
Phelan, K. C. (Autor) 
Krausch, Georg (Autor) 
  
Titel: Dewetting dynamics at a polymer-polymer interface
  
Quelle: Macromolecules. Bd. 30. H. 12. Washington, DC : Soc. S. 3640 - 3645
Erscheinungsjahr:    1997
ISBN / ISSN: 1520-5835 ; 0024-9297
URL der Originalveröffentlichung doi:10.1021/ma961297h
  
Dokumentart:
Zeitschriftenaufsatz Zeitschriftenaufsatz
Sprache: Englisch
Open Access:
Person der Universität:   
Einrichtung: Universitätsleitung
DDC-Sachgruppe:    Physik
ID: 53563  Universitätsbibliothek Mainz
Hinweis:
Informationen zu den Nutzungsrechten unserer Inhalte Informationen zu den Nutzungsrechten unserer Inhalte
Abstract: We have studied the dynamics of dewetting at the interface between polystyrene (PS) and poly(methyl methacrylate) (PMMA) as a function of the molecular weights of the two materials. Optical microscopy and atomic force microscopy have been used to follow the dewetting process and to Image both the surface and interfacial structure in the vicinity of the growing holes. We determined the scaling behavior of the dewetting velocity as a function of the molecular weight of the dewetting species (PS). Different regimes are found depending on the PMMA molecular weight. For large PMMA molecular weights the dewetting velocity scales inversely with the PS viscosity, while for low PMMA molecular weights, the dewetting velocity is almost independent of the PS viscosity. The experimental data are in quantitative agreement with recent theoretical predictions.
   
  
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