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Atomic Oxygen Removes Varnish And Lacquer From Old PaintingsDry and relatively nondestructive plasma process found effective in removing protective coats from old paintings. Process generates monatomic oxygen, which reacts with varnish, lacquer, polyurethane, acrylic, and other organic coating materials; reactions produce mostly carbon monoxide and water vapor, then simply pumped away by vacuum system in which plasma generated. Does not attack oxide-based pigments in underlying paint layers, and brush-stroke marks remain undisturbed.
Document ID
19960021840
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Rutledge, Sharon K.
(NASA Lewis Research Center, Cleveland, OH.)
Banks, Bruce A.
(NASA Lewis Research Center, Cleveland, OH.)
Cales, Michael
(Cleveland State Univ.)
Date Acquired
August 17, 2013
Publication Date
April 1, 1996
Publication Information
Publication: NASA Tech Briefs
Volume: 20
Issue: 4
ISSN: 0145-319X
Subject Category
Materials
Report/Patent Number
LEW-16031
Accession Number
96B10176
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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