Verfahren zur Herstellung einer Suspension von Leuchtmaterial

摘要

1,156,437. Luminescent materials. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 1 May, 1968 [4 May, 1967], No. 20580/68. Heading C4S. A method of producing a suspension of a phosphor in a solution of a binder comprises setting in motion the phosphor and solvent in or on a vibrating sieve and adding the binder to the fraction passed by the sieve. Ca and Sr halophosphates and willenite mixed with ethanol butanol or butyl acetate and oxitol are vibrated in circular flat or drum shaped sieves. using porcelain or glass cylinders or balls to increase rubbing effect. 1-3% ethyl or nitrocellulose binder mixed with a small quantity of solvent is then added.