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Atomic Oxygen Treatment Technique for Removal of Smoke Damage from PaintingsSoot 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.
Document ID
19970010432
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Rutledge, S. K. (NASA Lewis Research Center Cleveland, OH United States)
Banks, B. A. (NASA Lewis Research Center Cleveland, OH United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1997
Subject Category
Nonmetallic Materials
Report/Patent Number
NAS 1.15:107403
E-10610
NASA-TM-107403
Accession Number
97N15643
Funding Number(s)
PROJECT: RTOP 632-1A-1E
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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