Water repellent ORMOSIL films for the protection of stone and other materials

Ioannis Karapanagiotis; Alexandros Pavlou; Panagiotis N. Manoudis; Katerina E. Aifantis

doi:10.1016/j.matlet.2014.05.163

Water repellent ORMOSIL films for the protection of stone and other materials

Ioannis Karapanagiotis, Alexandros Pavlou, Panagiotis N. Manoudis, Katerina E. Aifantis

Research output: Contribution to journal › Article › peer-review

50 Scopus citations

Abstract

Organically modified silica (ORMOSIL) gels were produced through a sol-gel method and used to coat different materials, including glass, silicon, iron, paper, melinex and several stones, so as to examine the potential applications ranging from coatings of biomedical devices to cultural monuments. Superhydrophobicity and water repellence were induced on the surfaces of all the treated materials, as high static (>165°) and low tilt (<4°) contact angles were achieved. The treated surfaces were studied using scanning electron microscopy, which revealed the formation of a micro/nano-structured topography. It was shown that the wettability of the ORMOSIL films was not affected by (i) the underlying substrate or (ii) the pH of the water drop.

Original language	English (US)
Pages (from-to)	276-279
Number of pages	4
Journal	Materials Letters
Volume	131
DOIs	https://doi.org/10.1016/j.matlet.2014.05.163
State	Published - Sep 15 2014
Externally published	Yes

Keywords

Cultural heritage
Film
Sol-gel
Stone
Superhydrophobic
Water repellent

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/j.matlet.2014.05.163

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title = "Water repellent ORMOSIL films for the protection of stone and other materials",

abstract = "Organically modified silica (ORMOSIL) gels were produced through a sol-gel method and used to coat different materials, including glass, silicon, iron, paper, melinex and several stones, so as to examine the potential applications ranging from coatings of biomedical devices to cultural monuments. Superhydrophobicity and water repellence were induced on the surfaces of all the treated materials, as high static (>165°) and low tilt (<4°) contact angles were achieved. The treated surfaces were studied using scanning electron microscopy, which revealed the formation of a micro/nano-structured topography. It was shown that the wettability of the ORMOSIL films was not affected by (i) the underlying substrate or (ii) the pH of the water drop.",

keywords = "Cultural heritage, Film, Sol-gel, Stone, Superhydrophobic, Water repellent",

author = "Ioannis Karapanagiotis and Alexandros Pavlou and Manoudis, {Panagiotis N.} and Aifantis, {Katerina E.}",

note = "Funding Information: K.E. Aifantis and I. Karapanagiotis are grateful for the support of the ERC Starting Grant 211166 – MINATRAN, ERC-13 Grant 88257 (IL-GradMech-ASM) and Thales 68/1117 (Intermonu). ",

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doi = "10.1016/j.matlet.2014.05.163",

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AU - Karapanagiotis, Ioannis

AU - Pavlou, Alexandros

AU - Manoudis, Panagiotis N.

AU - Aifantis, Katerina E.

N1 - Funding Information: K.E. Aifantis and I. Karapanagiotis are grateful for the support of the ERC Starting Grant 211166 – MINATRAN, ERC-13 Grant 88257 (IL-GradMech-ASM) and Thales 68/1117 (Intermonu).

PY - 2014/9/15

Y1 - 2014/9/15

N2 - Organically modified silica (ORMOSIL) gels were produced through a sol-gel method and used to coat different materials, including glass, silicon, iron, paper, melinex and several stones, so as to examine the potential applications ranging from coatings of biomedical devices to cultural monuments. Superhydrophobicity and water repellence were induced on the surfaces of all the treated materials, as high static (>165°) and low tilt (<4°) contact angles were achieved. The treated surfaces were studied using scanning electron microscopy, which revealed the formation of a micro/nano-structured topography. It was shown that the wettability of the ORMOSIL films was not affected by (i) the underlying substrate or (ii) the pH of the water drop.

AB - Organically modified silica (ORMOSIL) gels were produced through a sol-gel method and used to coat different materials, including glass, silicon, iron, paper, melinex and several stones, so as to examine the potential applications ranging from coatings of biomedical devices to cultural monuments. Superhydrophobicity and water repellence were induced on the surfaces of all the treated materials, as high static (>165°) and low tilt (<4°) contact angles were achieved. The treated surfaces were studied using scanning electron microscopy, which revealed the formation of a micro/nano-structured topography. It was shown that the wettability of the ORMOSIL films was not affected by (i) the underlying substrate or (ii) the pH of the water drop.

KW - Cultural heritage

KW - Film

KW - Sol-gel

KW - Stone

KW - Superhydrophobic

KW - Water repellent

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SP - 276

EP - 279

JO - Materials Letters

JF - Materials Letters

ER -

Water repellent ORMOSIL films for the protection of stone and other materials

Abstract

Keywords

ASJC Scopus subject areas

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