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231223s2005 xx ||||| 00| ||eng c |
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|a pubmed24n0523.xml
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|a (NLM)16042487
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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 Fujimoto, Yasuhiro
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Interlayer esterification of layered silicic acid-alcohol nanostructured materials derived from alkoxytrichlorosilane
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| 264 |
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|c 2005
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| 336 |
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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 22.06.2006
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|a Date Revised 26.07.2005
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Layered silicic acid-organic nanohybrid materials consisting of long-chain alkoxy groups attached to thin silica layers have been prepared via esterification of a layered silicic acid-alcohol nanostructured material derived from hexadecoxytrichlorosilane (C(16)H(33)OSiCl(3)). The esterification reaction was performed by heating the layered composite. The detailed characterization of the product heated at 80 degrees C revealed that the interlayer alcohol molecules partly ( approximately 50%) reacted with the interlayer surface silanol groups to form alkoxy groups. Unreacted alcohol molecules were removed by tetrahydrofuran (THF) treatment to form a novel alkoxylated layered silica material. This product retains its structure up to 120 degrees C and has a higher stability in organic solvents if compared with the layered silicic acid-alcohol nanocomposite before esterification, whose structure collapsed over 100 degrees C. Furthermore, various alcohols can be adsorbed into the esterified nanohybrid with the expansion of the interlayer spacing
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|a Journal Article
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1 |
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|a Shimojima, Atsushi
|e verfasserin
|4 aut
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1 |
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|a Kuroda, Kazuyuki
|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 21(2005), 16 vom: 02. Aug., Seite 7513-7
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:21
|g year:2005
|g number:16
|g day:02
|g month:08
|g pages:7513-7
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|a GBV_ILN_721
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|a AR
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| 952 |
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|d 21
|j 2005
|e 16
|b 02
|c 08
|h 7513-7
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