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Nanoheterogeneous multilayer films with perfluorinated domains fabricated using the layer-by-layer method

 
: Niemiec, W.; Zapotoczny, S.; Szczubialka, K.; Laschewsky, A.; Nowakowska, M.

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Langmuir. The ACS journal of surfaces and colloids 26 (2010), No.14, pp.11915-11920
ISSN: 0743-7463
ISSN: 1520-5827
English
Journal Article
Fraunhofer IAP ()

Abstract
Nanoheterogenous ultrathin films containing perfluorinated domains were prepared via the layer-by-layer (LbL) electrostatic self-assembly method. The films are constructed from the amphiphilic cationic copolymer with perfluorinated side chains and poly(sodium styrenesulfonate) (PSS). The LbL process was optimized by the application of sonication which allowed linear growth of the film. The resulting film exhibited micellar structure with isolated fluorocarbon hydrophobic domains. The remarkable features of the films were their switchable wettability and friction properties. The obtained water-processable films can find a number of potential applications, e.g., as smart and low friction coatings.

: http://publica.fraunhofer.de/documents/N-138674.html