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231223s2008 xx ||||| 00| ||eng c |
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|a (DE-627)NLM175440182
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|a (NLM)18047379
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Marre, Samuel
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Tailor-made surface properties of particles with a hydrophilic or hydrophobic polymer shell mediated by supercritical CO2
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| 264 |
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|c 2008
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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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| 338 |
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 03.04.2008
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|a Date Revised 26.12.2007
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Controlling the surface characteristics of inorganic materials with an organic shell is of great interest for control of the properties of the final material. A challenge is thus to be able to deposit a polymer shell with different solvation properties onto the surface of inorganic particles and to have a good control of the thickness of the organic layer without a prefunctionalization of surfaces. We demonstrate, in this paper, a method for coating silica particles (170-550 nm), used as model substrates, with either a hydrophilic (polyethylene glycol) or a hydrophobic polymer (polybutadiene hydroxy terminated) using a supercritical antisolvent process (precipitation from a compressed antisolvent). Several operating parameters were studied to control precisely the thickness of the deposited layer (from 2 to 30 nm), which was characterized using TEM, FESEM, XPS, and UV-visible techniques. This work demonstrates that supercritical antisolvent processes are powerful methods and good alternatives to conventional coating techniques toward the development of hybrid and/or core-shell nanomaterials
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|a Journal Article
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|a Cansell, François
|e verfasserin
|4 aut
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1 |
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|a Aymonier, Cyril
|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 24(2008), 1 vom: 01. Jan., Seite 252-8
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:24
|g year:2008
|g number:1
|g day:01
|g month:01
|g pages:252-8
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|a GBV_ILN_721
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|a AR
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|d 24
|j 2008
|e 1
|b 01
|c 01
|h 252-8
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