Crystallizing enamel composition and method of using the same

Details Crystallizing enamel composition and method of using the same Crystallizing enamel composition and method of using the same

C - Chemistry, Metallurgy

03

C

C03C 8/04 (2006.01) C03B 23/00 (2006.01) C03C 8/14 (2006.01)

Patent

CA 2091054

The present invention provides a new and useful composition and method of using the same for producing an enamel finish on a formed section of glass. The composition partially crystallizes upon heating, thereby helping to prevent the forming and handling equipment from sticking and/or adhering to the composition during the forming operation. The composition includes a crystallizable glass frit and a seed powder. The crystallized glass frit includes precursors from which Zn2SiO4 can be crystallized upon firing of the composition. The seed powder causes at least a portion of the precursors to crystallize upon firing such that during fixing at least a portion of the crystallizable glass frit yields crystallized Zn2SiO4 formed by the precursors. Preferably, the precursors comprise ZnO and SiO2, and the seed powder comprises crystalline Zn2SiO4.

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