Protective Surface Coatings for Daguerreotypes

In certain instances, it may be desirable to protect a daguerreotype from corrosion by the application of a surface coating. Protective coatings must be both chemically and physically non-reactive with the daguerreotype image material, and, more importantly, must not interfere with the optical prope...

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Bibliographic Details
Published in:Journal of the American Institute for Conservation 1984-01, Vol.24 (1), p.40-52
Main Authors: Barger, M. Susan, Giri, A.P., White, William B., Ginell, William S., Preusser, Frank
Format: Article
Language:English
Subjects:
Coatings
Corrosion
Daguerreotypes
Material films
Materials
Optical coatings
Optical properties
Spectral reflectance
Specular reflection
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Description
Summary:In certain instances, it may be desirable to protect a daguerreotype from corrosion by the application of a surface coating. Protective coatings must be both chemically and physically non-reactive with the daguerreotype image material, and, more importantly, must not interfere with the optical properties of daguerreotypes. Sputtered coatings such as silicon dioxide, boron nitride, lanthanum hexaboride, aluminum nitride, and titanium dioxide, as well as a vapor-deposited polymeric coating, Parylene C, have been tested. The results of these tests are discussed.
ISSN:0197-1360
1945-2330
DOI:10.1179/019713684806028160