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231224s2014 xx |||||o 00| ||eng c |
| 024 |
7 |
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|a 10.1021/la501946f
|2 doi
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|a pubmed24n0796.xml
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|a eng
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| 100 |
1 |
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|a Guin, Tyler
|e verfasserin
|4 aut
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| 245 |
1 |
0 |
|a Thick growing multilayer nanobrick wall thin films
|b super gas barrier with very few layers
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| 264 |
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 22.04.2015
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|a Date Revised 24.06.2014
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Recent work with multilayer nanocoatings composed of polyelectrolytes and clay has demonstrated the ability to prepare super gas barrier layers from water that rival inorganic CVD-based films (e.g., SiOx). In an effort to reduce the number of layers required to achieve a very low oxygen transmission rate (OTR (<0.01 cc/m(2)·day·atm)) in these nanocoatings, buffered cationic chitosan (CH) and vermiculite clay (VMT) were deposited using layer-by-layer (LbL) assembly. Buffering the chitosan solution and its rinse with 50 mM Trizma base increased the thickness of these films by an order of magnitude. The OTR of a 1.6-μm-thick, six-bilayer film was 0.009 cc/m(2)·day·atm, making this the best gas barrier reported for such a small number of layers. This simple modification to the LbL process could likely be applied more universally to produce films with the desired properties much more quickly
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|a Journal Article
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1 |
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|a Krecker, Michelle
|e verfasserin
|4 aut
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1 |
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|a Hagen, David Austin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Grunlan, Jaime C
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 30(2014), 24 vom: 24. Juni, Seite 7057-60
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|x 1520-5827
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|g volume:30
|g year:2014
|g number:24
|g day:24
|g month:06
|g pages:7057-60
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|u http://dx.doi.org/10.1021/la501946f
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