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Atomic Oxygen Treatment Technique for Removal of Smoke Damage From Paintings

Published online by Cambridge University Press:  26 February 2011

S.K. Rutledge  and
B.A. Banks
S.K. Rutledge
Affiliation:
NASA Lewis Research Center, Cleveland, OH 44135, [email protected]
B.A. Banks
Affiliation:
NASA Lewis Research Center, Cleveland, OH 44135, [email protected]
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Abstract

Soot deposits that can accumulate on surfaces of a painting during a fire can be difficult to clean from some types of paintings without damaging the underlying paint layers. A non-contact technique has been developed which can remove the soot by allowing a gas containing atomic oxygen to flow over the surface and chemically react with the soot to form carbon monoxide and carbon dioxide. The reaction is limited to the surface, so the underlying paint is not touched. The process can be controlled so that the cleaning can be stopped once the paint surface is reached. This paper describes the smoke exposure and cleaning of untreated canvas, acrylic gesso, and sections of an oil painting using this technique. The samples were characterized by optical microscopy and reflectance spectroscopy.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 462: Symposium DD – Materials Issues in Art and Archaeology V , 1996 , 369
Copyright
Copyright © Materials Research Society 1997

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References

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