Compositions – Inorganic luminescent compositions with organic...
Patent
1982-02-25
1983-11-15
Edmundson, F.
Compositions
Inorganic luminescent compositions with organic...
428691, C09K 1106
Patent
active
044154712
ABSTRACT:
Improved x-ray fluorescent screens include a fluorescent layer having luminescent material bound with a lacquer binding agent characterized by pronounced hydrophilic properties. A preferred binding agent is pure urea-formaldehyde resin which solidifies with heat through a polycondensation reaction. Additives, such as alkyd resins, epoxy resins, polyacrylate resins, nitrocellulose, vinyl chloride copolymers, or polyvinyl butyral can be added to the binding agent. The binding agent prevents agglomerations of the luminescent material crystals so that a more uniform emission of light occurs.
REFERENCES:
patent: 2385615 (1945-09-01), Dreyer
patent: 3895157 (1975-07-01), Brixner et al.
patent: 4138361 (1979-02-01), Suys et al.
patent: 4316817 (1982-02-01), Cusano et al.
Edmundson F.
Siemens Aktiengesellschaft
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