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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed24n0514.xml
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|a (DE-627)NLM154067822
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|a (NLM)15752040
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Vogt, Bryan D
|e verfasserin
|4 aut
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|a Control of moisture at buried polymer/alumina interfaces through substrate surface modification
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|c 2005
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 14.02.2006
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|a Date Revised 08.03.2005
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Moisture absorption in poly(4-tert-butoxycarbonyloxystyrene) (PBOCSt) films supported on Al(2)O(3) sputter coated silicon wafers is measured using neutron and X-ray reflectivity. Accumulation of water at the interface during moisture exposure results in an apparent film-thickness-dependent swelling for ultrathin PBOCSt films. The swelling of a film on Al(2)O(3) is less than the swelling of a film of the same thickness on SiO(x) for films thinner than 20 nm. This is due to comparatively less moisture accumulation at the Al(2)O(3)/PBOCSt interface. A simple, zero adjustable parameter model consisting of a fixed water-rich layer at the interface and bulk swelling through the remainder of the film describes the thickness-dependent swelling quantitatively. The influence of four different Al(2)O(3) surface treatments on the moisture distribution within PBOCSt films was examined: bare Al(2)O(3), tert-butylphosphonic acid, phenylphosphonic acid, and n-octyltrichlorosilane. Both the phenyl and the octyl surface treatments reduce the accumulation of water at the polymer/substrate interface. The tert-butyl treatment does not reduce the interfacial water concentration, presumably due to insufficient surface coverage
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|a Journal Article
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1 |
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|a Prabhu, Vivek M
|e verfasserin
|4 aut
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|a Soles, Christopher L
|e verfasserin
|4 aut
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|a Satija, Sushil K
|e verfasserin
|4 aut
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|a Lin, Eric K
|e verfasserin
|4 aut
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| 700 |
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|a Wu, Wen-li
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 21(2005), 6 vom: 15. März, Seite 2460-4
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:21
|g year:2005
|g number:6
|g day:15
|g month:03
|g pages:2460-4
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|a AR
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|d 21
|j 2005
|e 6
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|h 2460-4
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