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ACS Appl Mater Interfaces. 2017 Nov 08;9(44):39078-39085. doi: 10.1021/acsami.7b13535. Epub 2017 Oct 30.

Laponite-Based Surfaces with Holistic Self-Cleaning Functionality by Combining Antistatics and Omniphobicity.

ACS applied materials & interfaces

Marta Fenero, Jesús Palenzuela, Itxasne Azpitarte, Mato Knez, Javier Rodríguez, Ramón Tena-Zaera

Affiliations

  1. IK4-CIDETEC , Parque Tecnológico de San Sebastián, Paseo Miramón, 196, 20014 Donostia - San Sebastián, Spain.
  2. CIC nanoGUNE , Tolosa Hiribidea, 76, 20018 Donostia - San Sebastián, Spain.
  3. Ikerbasque, Basque Foundation for Science , Maria Díaz de Haro 3, 48013 Bilbao, Spain.

PMID: 29039644 DOI: 10.1021/acsami.7b13535

Abstract

In the present work, perfluoroalkylated laponite nanoparticles with a high degree of functionalization (60 wt %) have been prepared and a methodology to prepare transparent, antistatic, and omniphobic laponite-based films with holistic self-cleaning properties against liquids, solids and liquid-solid mixtures has been developed. The intrinsic electrical and ionic conductivities observed in unmodified laponite coatings are combined with perfluoroalkyl-modified laponite clays. As a result, films with improved self-cleaning functionality based on dust-repellency and omniphobic liquid-repellence (sheet resistance in the range of 10

Keywords: Self-cleaning; antistatics; dust-repellency; laponite; omniphobicity

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