Bioinspired synthesis of superhydrophobic coatings

A superhydrophobic material prepared by precipitating calcium phosphate on TiO2 films under in vitro conditions is described. Crystalline calcium phosphate is very porous with octacalcium phosphate as the main phase. The films are made hydrophobic by the surface grafting of a perfluorophosphate surf...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 24(2008), 19 vom: 07. Okt., Seite 10625-8
1. Verfasser: Järn, Mikael (VerfasserIn)
Weitere Verfasser: Heikkilä, Mikko, Lindén, Mika
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Calcium Phosphates calcium phosphate 97Z1WI3NDX
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245 1 0 |a Bioinspired synthesis of superhydrophobic coatings 
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520 |a A superhydrophobic material prepared by precipitating calcium phosphate on TiO2 films under in vitro conditions is described. Crystalline calcium phosphate is very porous with octacalcium phosphate as the main phase. The films are made hydrophobic by the surface grafting of a perfluorophosphate surfactant (Zonyl FSE). The as-prepared coatings were strongly hydrophobic, with advancing contact angles exceeding 165 degrees and receding angles exceeding 150 degrees . The formation of the calcium phosphate layer is self-organizing, and the coating is easily functionalized. The material was characterized with dynamic contact angle measurements, SEM, XRD, and XPS. The strong water repellency is explained by the open porous morphology of the calcium phosphate coating together with the successful attachment of the hydrophobic function 
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650 4 |a Research Support, Non-U.S. Gov't 
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700 1 |a Heikkilä, Mikko  |e verfasserin  |4 aut 
700 1 |a Lindén, Mika  |e verfasserin  |4 aut 
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