Process for treating previously coated phosphor particles

   
   

Particles of electroluminescent phosphor having a moisture proof coating are re-coated by treating the phosphor in a fluidized bed with a mixture of water vapor and an organotrichlorosilane compound for approximately thirty minutes. The resultant siloxane coating further improves the moisture resistance of the phosphor.

Partikel des Leuchtphosphors, das eine feuchtigkeitsfeste Schicht hat, re-coated, indem man das Phosphor in einem Fließbett mit einer Mischung des Wasserdampfes und ein organotrichlorosilane Mittel für ungefähr dreißig Minuten behandelt. Das resultierende Siloxan, das verbessert beschichtet weiter, den Feuchtigkeit Widerstand des Phosphors.

 
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