Decoration for ceramics having the appearance of gold

Details Decoration for ceramics having the appearance of gold Decoration for ceramics having the appearance of gold

C - Chemistry, Metallurgy

09

K

6/220

C09K 3/00 (2006.01) C03C 17/22 (2006.01) C04B 41/51 (2006.01) C04B 41/88 (2006.01)

Patent

CA 1074955

Abstract A decorative coating for application to ceramics is dis- closed, which although it contains no metallic gold, has the appearance of gold after firing. The coating is formed by mixing soluble metallo-organic compounds of palladium, silver, and a fluxing agent in a vehicle. When applied to opaque or translucent ceramic bodies and fired in the usual manner for such decorations, the appearance obtained previously with decorations containing substantial amounts of metallic gold is simulated. Compositions containing ratios of palladium to silver between 1:1 and 12:1 may be used. For most applications as by screen printing, rolling machine lining, stamping, spray- ing, brushing, etc. the total content of palladium and silver in the as applied coating will range between 1 and 12 weight percent, the balance being fluxing agents and vehicle.

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