nanostructured material; self-assembly in bulk; block copolymer; thermoplastic elastomer
Abstract :
[en] We use atomic force microscopy (AFM) with phase detection imaging (PDI) in order to study the surface microdomain morphology of thick (i.e., ca. 2 mm) films of triblock copolymers. We present here the results obtained on a poly(methyl methacrylate)-block-polybutadiene-block-poly(methyl methacrylate) (PMMA-b-PBD-b-PMMA) copolymer prepared by using a 1,3-diisopropenylbenzene (DIB)-based difunctional anionic initiator. Our data illustrate the interest of PDI for the elucidation of surface phase separation in block copolymers. We show that the surface of thick films studied by this new technique exhibits a two-phase structure corresponding to the two types of components.
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Chemistry Materials science & engineering
Author, co-author :
Leclère, Philippe; University of Mons-Hainaut (UMH) > Service de Chimie des Matériaux Nouveaux, Centre de Recherche en Electronique et Photonique Moléculaires
Lazzaroni, Roberto; University of Mons-Hainaut (UMH) > Service de Chimie des Matériaux Nouveaux, Centre de Recherche en Electronique et Photonique Moléculaires
Brédas, Jean-Luc; University of Mons-Hainaut (UMH) > Service de Chimie des Matériaux Nouveaux, Centre de Recherche en Electronique et Photonique Moléculaires
Yu, Jian Ming; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Dubois, Philippe ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Language :
English
Title :
Microdomain morphology analysis of block copolymers by atomic force microscopy with phase detection imaging
Publication date :
09 September 1996
Journal title :
Langmuir
ISSN :
0743-7463
eISSN :
1520-5827
Publisher :
Amer Chemical Soc, Washington, United States - Washington
BELSPO - SPP Politique scientifique - Service Public Fédéral de Programmation Politique scientifique F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE] IBM EU - European Commission
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