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|a pubmed24n0498.xml
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|a (DE-627)NLM149328036
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|a (NLM)15248718
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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 van den Brand, J
|e verfasserin
|4 aut
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|a Interaction of ester functional groups with aluminum oxide surfaces studied using infrared reflection absorption spectroscopy
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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 07.06.2006
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|a Date Revised 13.07.2004
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright 2004 American Chemical Society
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|a The bonding of two types of ester group-containing molecules with a set of different oxide layers on aluminum has been investigated using infrared reflection absorption spectroscopy. The different oxide layers were made by giving typical surface treatments to the aluminum substrate. The purpose of the investigation was to find out what type of ester-oxide bond is formed and whether this is influenced by changes in the composition and chemistry of the oxide. The extent by which these bonded ester molecules resisted disbondment in water or substitution by molecules capable of chemisorption was also investigated. The ester groups were found to show hydrogen bonding with hydroxyls on the oxide surfaces through their carbonyl oxygens. For all oxides, the ester groups showed the same nu(C = O) carbonyl stretching vibration after adsorption, indicating very similar bonding occurs. However, the oxides showed differences in the amount of molecules bonded to the oxide surface, and a clear relation was observed with the hydroxyl concentration present on the oxide surface, which was determined from XPS measurements. The two compounds showed differences in the free to bonded nu(C = O) infrared peak shift, indicating differences in bonding strength with the oxide surface between the two types of molecules. The bonding of the ester groups with the oxide surfaces was found to be not stable in the presence of water and also not in the presence of a compound capable of chemisorption with the aluminum oxide surface
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|a Journal Article
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|a Blajiev, O
|e verfasserin
|4 aut
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|a Beentjes, P C J
|e verfasserin
|4 aut
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|a Terryn, H
|e verfasserin
|4 aut
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|a de Wit, J H W
|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 20(2004), 15 vom: 20. Juli, Seite 6318-26
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:20
|g year:2004
|g number:15
|g day:20
|g month:07
|g pages:6318-26
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