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The use of nano particles for hydrophobic and self cleaning coatings = : Die Anwendung von Nanopartikeln für hydrophobe und selbstreinigende Beschichtungen

The effects of nano and micro roughness as well as the chemical composition of surface treatments on hydrophobicity and self cleaning properties of the coated surfaces were studied theoretically and experimentally. Accordingly, relationships were derived between the interfacial adhesion strength of... Full description

Published: Shawbury, Smithers Rapra, 2007
Kongresse: International Conference on Nanopolymers 1 2007.06.12-2007.06.13 Berlin, DE
Nanopolymers 1 2007.06.12-2007.06.13 Berlin, DE
International Conference on Nanopolymers 1st 2007.06.12-2007.06.13 Berlin, DE
Nanopolymers 2007 2007.06.12-2007.06.13 Berlin, DE
Contained in: Nanopolymers, International Conference on Nanopolymers, 1 (2007), p. 1-7
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Additional Keywords: KIESELSAEURE
KONTAKTWINKEL
NANOPARTIKEL
POLYCARBONAT
RAUIGKEIT
SCHICHTSTRUKTUR
SELBSTREINIGUNG
SILICON:POLYMER
Notes: Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG
Copyright: (C) Alle Rechte beim Herausgeber
Physical Description: 7 Seiten, 3 Bilder, 1 Tabelle, 26 Quellen
PPN (Catalogue-ID): WTI045505942
Note: WTI TEMA DB
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Internes Format
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245 0 0 |a The use of nano particles for hydrophobic and self cleaning coatings =  |b Die Anwendung von Nanopartikeln für hydrophobe und selbstreinigende Beschichtungen 
264 3 1 |a Shawbury  |b Smithers Rapra  |c 2007 
300 |a 7 Seiten, 3 Bilder, 1 Tabelle, 26 Quellen 
500 |a Copyright: Metadaten: TEMA, Copyright WTI-Frankfurt eG 
500 |a Copyright: (C) Alle Rechte beim Herausgeber 
520 |a The effects of nano and micro roughness as well as the chemical composition of surface treatments on hydrophobicity and self cleaning properties of the coated surfaces were studied theoretically and experimentally. Accordingly, relationships were derived between the interfacial adhesion strength of the liquid drop to a polymer surface of a given composition, the mass of the drop, the measured contact angles and the sliding angle. To verify the proposed model various hydrophobic coatings having different surface nano and micro roughness were prepared using polycarbonate as a substrate. The surface treatment was based on fluoroalkylsilane. Roughness was introduced by means of Silica (micro) and POSS - Polyhedral Oiigomeric Sil Sesquioxane (nano) using a double morphology topography mimicking the Lotus Leaf. In the case of optimal compositions and processing conditions transparent ultrahydrophobic characteristics were obtained. In these cases the contact angle was close to 180 deg and the sliding angle as below 5 deg. These novel ultra-hydrophobic surface coatings and the associated model could be used to develop and design surfaces for a variety of applications such as self cleaning glazing, repellent surfaces for bio-chem threats and anti-icing of surfaces. 
653 4 |a NANOPARTIKEL 
653 4 |a SELBSTREINIGUNG 
653 4 |a KONTAKTWINKEL 
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653 4 |a POLYCARBONAT 
653 4 |a SILICON:POLYMER 
653 4 |a KIESELSAEURE 
653 4 |a SCHICHTSTRUKTUR 
711 2 |a International Conference on Nanopolymers  |n 1  |d 2007.06.12-2007.06.13  |c Berlin, DE 
711 2 |a Nanopolymers  |n 1  |d 2007.06.12-2007.06.13  |c Berlin, DE 
711 2 |a International Conference on Nanopolymers  |n 1st  |d 2007.06.12-2007.06.13  |c Berlin, DE 
711 2 |a Nanopolymers  |n 2007  |d 2007.06.12-2007.06.13  |c Berlin, DE 
773 0 8 |i In  |t Nanopolymers, International Conference on Nanopolymers, 1  |g (2007), p. 1-7  |q <1-7  |z 978-1-84735-016-9  |z 978-1-84735-016-9 
912 |a GBV_WTI 
950 |a Nanopartikel  |a Selbstreinigung  |a Kontaktwinkel  |a Rauigkeit  |a Polycarbonat  |a Silikon (Polymer)  |a Kieselsäure  |a Schichtstruktur  |2 DE-601 
950 |a Silsesquioxan  |2 DE-601 
951 |a AR 
952 |j 2007  |h 1-7