Process for treating the surface of a fluorescent material

Details Process for treating the surface of a fluorescent material Process for treating the surface of a fluorescent material

1990-12-21

1992-07-14

Beck, Shrive

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427 64, 427 68, 427 71, 427 73, 428446, B32B 516, B05D 506

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051301903

ABSTRACT:
There is provided a process for treating the surface of a fluorescent material comprising the steps of adding a suitable amount of water glass (K.sub.2 O.SiO.sub.2) to a dispersion of a fluorescent material, the mixture of the dispersion and water glass being stirred, adding silica particulates to the mixture, and finally adding a suitable amount of metal salt to the mixture containing the silica particulates, whereby the silica particulates adhere to the surface of the fluorescent material.

REFERENCES:
patent: 3887753 (1975-06-01), Ninagawa et al.

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