Nanoscience for Art Conservation: Oil‐in‐Water Microemulsions Embedded in a Polymeric Network for the Cleaning of Works of Art

Carretti, Emiliano; Fratini, Emiliano; Berti, Debora; Dei, Luigi

doi:10.1002/anie.200904244

Cited by 62 publications

(57 citation statements)

References 40 publications

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“…Furthermore, micelles and microemulsions can be confined into highly viscous gel-like matrices such as hydrophobically modified hydroxyethyl cellulose (hMHEC) or polyvinyl alcohol crosslinked with sodium tetraborate (PVA-borate polymeric dispersions) 10,11 . This combination allows spatial and kinetic control of the cleaning process.…”

Section: Soft Nanomaterialsmentioning

confidence: 99%

Nanomaterials in art conservation

2015

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Section: Soft Nanomaterialsmentioning

confidence: 99%

Nanomaterials in art conservation

2015

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“…[19] For cleaning purposes it is fundamental that the structure of the micelles is not significantly altered by confinement in the gels, which was confirmed by SAXS analysis. [13,17,20] Advanced semi-IPNs gels showed outperforming properties for highly sensitive substrates such as dyed paper and paintings with low amounts of binders (e.g. Tang-ka paintings, see Figure 4).…”

Section: Accepted Manuscript Angewandte Chemie International Editionmentioning

confidence: 99%

Mikroemulsionen, Micellen und funktionelle Gele: Erhaltung von Kunstwerken mit Kolloiden und weicher Materie

Chelazzi¹,

Giorgi²,

Baglioni³

2018

Angewandte Chemie

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Die Kolloidwissenschaft liefert grundlegende Erkenntnisse für z. B. die pharmazeutische Industrie oder die Wasch‐ und Reinigungsmittel‐, Farb‐ und Nahrungsmittelindustrie. Eine interessante Anwendung ist die Erhaltung von Kunstwerken, die wegen der komplexen Grenzflächenwechselwirkungen, die mit der Restaurierung von Artefakten verbunden sind, eine anspruchsvolle Aufgabe ist. Derzeit ist die Mehrzahl der wirksamsten und umweltverträglichsten Reinigungs‐ und Konsolidierungsmittel für Kunstwerke der weichen Materie und Kolloiden zuzuordnen. Die Entwicklung und Anwendung von immer komplexeren Systemen, von Mikroemulsionen bis zu semi‐interpenetrierenden Hydrogelen, die derartige Flüssigkeiten enthalten, werden in diesem Kurzaufsatz aufgezeigt. Diese Systeme wurden bei verschiedenen Artefakten eingesetzt: von Fresken der Renaissance bis zu Werken von Picasso und Pollock. Chemisches Design kann genutzt werden, um den Anforderungen von Konservatoren gerecht zu werden, und mit den Erkenntnissen zur Struktur und Dynamik von Kolloiden können zufällige Ansätze der herkömmlichen Konservierungspraxis überwunden werden. Außerdem werden die Perspektiven der Anwendung von Kolloiden und weicher Materie für die Erhaltung von Kulturerbe zusammengefasst.

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“…These formulations look like gels macroscopically, but cannot be strictly classified as gels from the rheological point of view; therefore they are referred to as Highly Viscous Polymeric Dispersions (HVPDs). Carretti et al (2009a) reported on the use of a HVPD of hydrophobically modified hydroxyethylcellulose (hmHEC, 2 % w/w) to embed a xylene-in-water microemulsion, for the cleaning of artifacts. Analysis through SAXS and DSC (Differential Scanning Calorimetry) indicated that the nanostructure of the microemulsion was retained upon loading inside the hmHEC network, with only minor modifications.…”

Section: Formulationsmentioning

confidence: 99%

Cleaning of Easel Paintings

Baglioni

Chelazzi

Giorgi

2014

Nanotechnologies in the Conservation of Cultural Heritage

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Cleaning of easel paintings is traditionally carried out using organic solvents or aqueous solutions. One of the main limitations is due to the lack of control in the cleaning action when non-confined solvents and solutions are used. Undesired effects include swelling or solubilization of original artistic materials, uncontrolled or excessive removal of layers and patinas, and re-transport of solubilized matter through the porous matrix of the artifact. These issues can be effectively addressed by confinement of the cleaning fluids in gel networks. As a matter of fact, conservators have adopted several gel and 'gel-like' formulations (e.g. viscous dispersions of thickening agents), aiming at the non-invasive and gradual cleaning of works of art. This chapter reports on the main traditional systems and on the innovative gels and dispersions developed in the last decade in the framework of colloid and surface science for the preservation of cultural heritage. In particular, both highly retentive chemical gels and "peelable" viscoelastic dispersions are discussed, illustrating applicative procedures.

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Nanoscience for Art Conservation: Oil‐in‐Water Microemulsions Embedded in a Polymeric Network for the Cleaning of Works of Art

Cited by 62 publications

References 40 publications

Nanomaterials in art conservation

Nanomaterials in art conservation

Mikroemulsionen, Micellen und funktionelle Gele: Erhaltung von Kunstwerken mit Kolloiden und weicher Materie

Cleaning of Easel Paintings

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