Type
Text
Type
Thesis
Advisor
Koga, Tadanori | Dudley, Michael | Venkatesh, T.A..
Date
2012-05-01
Keywords
Materials Science | blend thin films, PEO/PS, scCO2
Department
Department of Materials Science and Engineering
Language
en_US
Source
This work is sponsored by the Stony Brook University Graduate School in compliance with the requirements for completion of degree.
Identifier
http://hdl.handle.net/11401/71182
Publisher
The Graduate School, Stony Brook University: Stony Brook, NY.
Format
application/pdf
Abstract
Polymer blend thin films have been paid great attention to technological applications including adhesion, coatings, liquid crystal alignment, electronics, optics, biotechnology, and sensors. In this thesis, I investigated the effect of supercritical CO2 (scCO2) as a green solvent for poly(ethylene oxide)/polystyrene (PEO/PS) blend thin films. We prepared a series of PEO/PS blend thin films with different PEO compositions thickness ranging from 20 nm to 50 nm. As a control experiment, we also processed the same PEO/PS films at high temperature (150 ??C) under vacuum. Comparison of these experimental results by using atomic force microscopy and optical microscopy clarified the significant plasticization effect of scCO2 on the phase separation, crystallization of PEO, and the swelling behavior of PS. | 37 pages
Recommended Citation
Chen, Xiameng, "Morphological Control of Poly(ethylene oxide)/Polystyrene Blend Thin Films by Using Supercritical Carbon Dioxide" (2012). Stony Brook Theses and Dissertations Collection, 2006-2020 (closed to submissions). 389.
https://commons.library.stonybrook.edu/stony-brook-theses-and-dissertations-collection/389