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|a DE-627
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|e rakwb
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|a eng
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|a Vogt, Bryan D
|e verfasserin
|4 aut
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|a Moisture absorption and absorption kinetics in polyelectrolyte films
|b influence of film thickness
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|c 2004
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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 26.01.2006
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|a Date Revised 26.10.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Specular X-ray reflectivity (XR) and quartz crystal microbalance (QCM) measurements were used to determine the absorption of water into thin poly(4-ammonium styrenesulfonic acid) films from saturated vapor at 25 degrees C. The effect of film thickness on the absorption kinetics and overall absorption was investigated in the range of thickness from (3 to 200) nm. The equilibrium swelling of all the films irrespective of film thickness was (0.57+/-0.03) volume fraction. Although the equilibrium absorption is independent ofthickness, the absorption rate substantially decreases for film thickness < 100 nm. For the thinnest film (3 nm), there is a 5 orders of magnitude decrease in the diffusion coefficient for water
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|a Journal Article
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|a Soles, Christopher L
|e verfasserin
|4 aut
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|a Lee, Hae-Jeong
|e verfasserin
|4 aut
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|a Lin, Eric K
|e verfasserin
|4 aut
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|a Wu, Wen-Li
|e verfasserin
|4 aut
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 20(2004), 4 vom: 17. Feb., Seite 1453-8
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:20
|g year:2004
|g number:4
|g day:17
|g month:02
|g pages:1453-8
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|d 20
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|e 4
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