Partially crystallizing ceramic enamel composition containing bi

Details Partially crystallizing ceramic enamel composition containing bi Partially crystallizing ceramic enamel composition containing bi

1995-12-08

1998-02-03

Speer, Timothy

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 16, 501 17, 501 20, 501 21, 427508, 427510, 4273762, 65 6053, 65106, 523170, C03C 100

Patent

active

057144206

ABSTRACT:
A ceramic enamel composition consists of an oxide frit, a bismuth silicate seed material, a pigment, and a vehicle. A preferred bismuth silicate seed material is selected from crystalline Bi.sub.12 SiO.sub.20, Bi.sub.4 (SiO.sub.4).sub.3, and Bi.sub.2 SiO.sub.5, and mixtures thereof. Upon firing a glass substrate coated with the enamel, components of the enamel adhere to the substrate. The glass can be formed with a die to a desired shape with reduced sticking of the coated region to the die. The ceramic enamel is particularly useful in providing a colored border around automotive glass, which enhances appearance and reduces degradation of adhesives by ultraviolet radiation.

REFERENCES:
patent: 5286270 (1994-02-01), Ruderer

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