MUNOZ-BONILLA, Alexandra; BOUSQUET, Antoine; IBARBOURE, Emmanuel; PAPON, Eric; LABRUGÈRE, Christine; RODRIGUEZ-HERNANDEZ, Juan

doi:10.1021/la102686y

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MUNOZ-BONILLA, Alexandra
Instituto de Ciencia y Tecnologia de Polimeros [ICTP-CSIC]

BOUSQUET, Antoine
Institut des sciences analytiques et de physico-chimie pour l'environnement et les materiaux [IPREM]
Laboratoire de Chimie des Polymères Organiques [LCPO]

IBARBOURE, Emmanuel
Laboratoire de Chimie des Polymères Organiques [LCPO]

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Langmuir. 2010-11-16, vol. 26, n° 22, p. 16775-16781

American Chemical Society

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We describe the preparation of fluorinated microspheres by precipitation polymerization and their use to fabricate superhydrophobic surfaces. For that purpose, two different approaches have been employed. In the first approach, a fluorinated monomer (either 4-fluorostyrene or 2,3,4,5,6-pentafluorostyrene) was added to the initial mixture of monomers constituted by styrene (S) and divinylbenzene (DVB). The second approach is based on the encapsulation of a block copolymer, polystyrene-b-poly(2,3,4,5,6-pentafluorostyrene), during the polymerization of the monomers (S and DVB), thus enabling the formation of particles with pet-fluorinated chains instead of single functional groups it the interface. Both approaches led to narrow polydisperse particles with fluoro-functional groups at the interface is demonstrated by scanning electron microscopy (SEM). infrared (IR) spectroscopy. and X-ray photoelectron spectroscopy (X PS). Surface array of particles obtained by simple solvent casting presented superhydrophobic behavior with contact angles of water droplets of ca. 160-165 degrees.< Réduire

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Fabrication and Superhydrophobic Behavior of Fluorinated Microspheres

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