Moisture resistant phosphorescent X:ray reinforcement screens - having phosphorescent halogen contg. particles treated with organo-metallic cpds

Halogen-contg. phosphorescent particles are rendered less susceptible to the deleterious effects of moisture by treatment with >=1 organometallic cpd. (I). (I) is pref. applied to the surface of the particles using a suitable binder, (resin e.g. ABS) e.g. by milling the components together in an...

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Bibliographische Detailangaben
1. Verfasser:	ANDRE ROGER SUYS ET WILLY KAREL VAN LANDEGHEM
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ADHESIVES CHEMISTRY DYES GAMMA RAY OR X-RAY MICROSCOPES IRRADIATION DEVICES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NUCLEAR ENGINEERING NUCLEAR PHYSICS PAINTS PHYSICS POLISHES TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOTOTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	Halogen-contg. phosphorescent particles are rendered less susceptible to the deleterious effects of moisture by treatment with >=1 organometallic cpd. (I). (I) is pref. applied to the surface of the particles using a suitable binder, (resin e.g. ABS) e.g. by milling the components together in an organic solvent. Process is esp. useful for making phosphorescent X-ray reinforcement screens less sensitive to loss of fluorescing capacity due to the effects of moisture. Suitable (I) are e.g. water insoluble metal carboxylates, tin mercaptides, triphenyl antimony, triphenylbismuth or tetraphtenyltin.