Reflectance standard

Reflectance standards are prepared in accordance with the present invention by incorporating at least 40 percent by weight of barium sulphate into acrylate polymer such as methyl acrylate or methyl methacrylate. Thickness of the resulting polymer should be in excess of 0.25 centimeters. By incorpora...

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Bibliographic Details
Main Author HERNICZ, RALPH
Format Patent
LanguageEnglish
French
German
Published 11.06.1986
Edition4
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PHYSICS
TESTING
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:Reflectance standards are prepared in accordance with the present invention by incorporating at least 40 percent by weight of barium sulphate into acrylate polymer such as methyl acrylate or methyl methacrylate. Thickness of the resulting polymer should be in excess of 0.25 centimeters. By incorporating varying percentages of carbon black in the mixture during mixing - various reflectance values can be obtained. The resulting reflectance standards can be utilized in the form of chips, plaques, sheets, or can be molded into various configurations, including that of an integrating sphere.
Bibliography:Application Number: EP19850114917