Volume 40, Number 5, December I 1997
|Page(s)||503 - 508|
|Published online||01 September 2002|
Surface-directed spinodal decomposition modified by a surface active copolymer
Institute of Physics, Jagellonian University, Reymonta 4, 30-059 Kraków,
2 Surface Spectroscopy Laboratory, Joint Center for Chemical Analysis and Structural Research, Jagellonian University, Reymonta 23, 30-059 Kraków, Poland
3 University of Mining and Metallurgy, al. Mickiewicza 39, 30-059 Kraków, Poland
4 Fakultät für Physik, Universität Freiburg, Freiburg, Germany
5 Department of Polymer Chemistry, Faculty of Engineering, Kyoto University Kyoto 606, Japan
Corresponding author: email@example.com
Accepted: 13 October 1997
We have studied the surface-induced spinodal decomposition in thin films of deuterated and protonated polystyrene, using nuclear-reaction analysis and dynamic secondary-ion mass spectroscopy. We found that the amplitude of this process may be modified by a polyisoprene-polystyrene diblock copolymer, which segregates predominantly to the surface when admixed to the isotopic polystyrene blend. This is due to the reduced surface attraction of deuterated polystyrene for the increased surface coverage by diblocks. Finally, the surface directed mode of the spinodal decomposition is observed to be extinct for the surface completely covered by copolymers.
PACS: 05.70.Fh – Phase transitions: general aspects / 68.15.+e – Liquid thin films / 64.75.+g – Solubility, segregation, and mixing; phase separation
© EDP Sciences, 1997
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.