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Morphological Control of Poly(ethylene oxide)/Polystyrene Blend Thin Films by Using Supercritical Carbon Dioxide

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dc.contributor.advisor Koga, Tadanori en_US
dc.contributor.author Chen, Xiameng en_US
dc.contributor.other Department of Materials Science and Engineering en_US
dc.date.accessioned 2013-05-22T17:34:19Z
dc.date.accessioned 2015-04-24T14:46:19Z
dc.date.available 2013-05-22T17:34:19Z
dc.date.available 2015-04-24T14:46:19Z
dc.date.issued 2012-05-01 en_US
dc.identifier Chen_grad.sunysb_0771M_10935 en_US
dc.identifier.uri http://hdl.handle.net/1951/59610 en_US
dc.identifier.uri http://hdl.handle.net/11401/71182 en_US
dc.description 37 pg. en_US
dc.description.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. en_US
dc.description.sponsorship This work is sponsored by the Stony Brook University Graduate School in compliance with the requirements for completion of degree. en_US
dc.format Monograph en_US
dc.format.medium Electronic Resource en_US
dc.language.iso en_US en_US
dc.publisher The Graduate School, Stony Brook University: Stony Brook, NY. en_US
dc.subject.lcsh Materials Science en_US
dc.subject.other blend thin films, PEO/PS, scCO2 en_US
dc.title Morphological Control of Poly(ethylene oxide)/Polystyrene Blend Thin Films by Using Supercritical Carbon Dioxide en_US
dc.type Thesis en_US
dc.mimetype Application/PDF en_US
dc.contributor.committeemember Dudley, Michael en_US
dc.contributor.committeemember Venkatesh, T.A.. en_US


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