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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1021/la400880a
|2 doi
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|a pubmed25n0762.xml
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|a (NLM)23799242
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Findenig, Gerald
|e verfasserin
|4 aut
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|a Interaction and structure in polyelectrolyte/clay multilayers
|b a QCM-D study
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 07.02.2014
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|a Date Revised 03.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a This study focuses on the investigation of the influence of the ionic strength on the internal structure, film forming behavior, and swelling properties of polyelectrolyte/clay multilayers. Layer-by-layer films were prepared with three different polyelectrolytes [polyethylenimine (PEI), polydiallyldimethylammoniumchloride (pDADMAC), and 2-hydroxy-3-trimethylammonium propyl chloride starch (HPMA starch)] in combination with laponite clay platelets on three different surfaces. All experiments were carried out at two different ionic strengths (30 mM or 500 mM NaCl). The experiments performed with strong polyelectrolytes revealed a higher film thickness and adsorbed masses of clay and polyelectrolyte at 500 mM NaCl. The films containing PEI showed different behavior and were considerably less sensitive to changes in the ionic strength. This was also reflected by the swelling behavior as demonstrated by quartz crystal microbalance with dissipation (QCM-D) measurements. Films comprising PEI showed, in contrast to the other polyelectrolytes, much lower swelling in water leading to more compact and stable films in humid environments which is important for numerous applications of LbL clay coatings
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Aluminum Silicates
|2 NLM
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|a Electrolytes
|2 NLM
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|a Polymers
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Sodium Chloride
|2 NLM
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|a 451W47IQ8X
|2 NLM
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|a Clay
|2 NLM
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|a T1FAD4SS2M
|2 NLM
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1 |
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|a Kargl, Rupert
|e verfasserin
|4 aut
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|a Stana-Kleinschek, Karin
|e verfasserin
|4 aut
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| 700 |
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|a Ribitsch, Volker
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1985
|g 29(2013), 27 vom: 09. Juli, Seite 8544-53
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
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|g volume:29
|g year:2013
|g number:27
|g day:09
|g month:07
|g pages:8544-53
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|u http://dx.doi.org/10.1021/la400880a
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