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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1021/la9005949
|2 doi
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|a pubmed24n0626.xml
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|a eng
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|a Kessler, Daniel
|e verfasserin
|4 aut
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|a Reactive surface coatings based on polysilsesquioxanes
|b defined adjustment of surface wettability
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|c 2009
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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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|a Date Completed 22.09.2010
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|a Date Revised 21.06.2010
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a We have investigated a generally applicable protocol for a substrate-independent reactive polymer coating that offers interesting possibilities for further molecular tailoring via simple wet chemical derivatization reactions. Poly(methylsilsesquioxane)-poly(pentafluorophenyl acrylate) hybrid polymers have been synthesized by RAFT polymerization, and stable reactive surface coatings have been prepared by spin-coating on the following substrates: Si, glass, gold, PMMA, PDMS, and steel. These coatings have been used for a defined adjustment of surface wettability by surface-analogous reaction with various amines (e.g., glutamic acid to obtain hydrophilic surfaces (Theta(a) = 18 degrees) or perfluorinated amines to obtain hydrophobic surfaces (Theta(a) = 138 degrees)). Besides the successful covalent attachment of small molecules and polymers, amino-functionalized nanoparticles could also be deposited on the surface, resulting in nanostructured coatings, thereby expanding the accessible contact angle of hydrophobic surfaces further to Theta(a) = 152 degrees. The surface-analogous conversion of the reactive coating with isopropyl amine produced in situ temperature-responsive coatings. Using the presented simple, generally applicable protocol for substrate-independent reactive polymer coatings, the contact angle of water could be switched reversibly by almost 60 degrees
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|a Journal Article
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1 |
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|a Theato, Patrick
|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 25(2009), 24 vom: 15. Dez., Seite 14200-6
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:25
|g year:2009
|g number:24
|g day:15
|g month:12
|g pages:14200-6
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|u http://dx.doi.org/10.1021/la9005949
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