Light-storing glazes and light-storing fluorescent ceramic...

Details Light-storing glazes and light-storing fluorescent ceramic... Light-storing glazes and light-storing fluorescent ceramic...

C - Chemistry, Metallurgy

03

C

31/181

C03C 4/12 (2006.01)

Patent

CA 1218840

LIGHT-STORING GLAZES AND LIGHT-STORING FLUORESCENT CERAMIC ARTICLES ABSTRACT OF THE DISCLOSURE: A light-storing glaze comprising (a) a mixture of base components for a frit consisting of: per 100 parts by weight of the mixture (a), about 10 to about 50 parts by weight of B2O3, about 1 to about 20 parts by weight of Al2O3, 0 to about 10 parts by weight of ZnO, about 2 to about 15 parts by weight of Na2O, 0 to about 60 parts by weight of SiO2, 0 to about 15 parts by weight of CaO, 0 to about 5 parts by weight of K2O and 0 to about 5 parts by weight of MgO, and (b) about 20 to about 80 parts by weight of sulphide-type light-storing fluorescent material per 100 parts by weight of the mixture (a), and a light-storing fluorescent ceramic article having a surface coated with such glaze.

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