Composition of enamel, glass articles comprising it, and their production processes
By integrating enameled cullet into enamel compositions, the environmental impact is reduced, and the compatibility and adhesion with glass substrates are enhanced, addressing issues of coloration and toxic emissions in soda-lime silicate float glass applications.
FR3167147A1Pending Publication Date: 2026-04-10SAINT GOBAIN VITRAGE SA
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Patent Information
- Application Number
- FR2024010912
- Authority / Receiving Office
- FR · FR
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2026-04-10
AI Technical Summary
Technical Problem
Existing enamel compositions do not effectively utilize recycled materials, leading to environmental impact and face issues with coloration, compatibility, and toxic emissions, particularly in soda-lime silicate float glass applications.
Method used
Incorporating enameled cullet, a recycled material from used enameled glass, into the enamel composition, which includes a glass frit, an organic medium, and optionally a mineral pigment, to enhance thermo-mechanical properties and adhesion with glass substrates.
Benefits of technology
The use of enameled cullet improves the compatibility and adhesion of enamel layers with glass, reducing embrittlement risks and maintaining color and sintering properties, while increasing the use of recycled materials.
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Abstract
Enamel composition, glass article, and method for obtaining them. The invention relates to an enamel composition comprising a glass frit, an organic medium, and enameled cullet. The invention also relates to a method for obtaining said composition from enameled glass reduced to enameled cullet and mixed with an enamel composition comprising at least a glass frit, an organic medium, and optionally a mineral pigment. Finally, the invention relates to a glass article comprising a glass substrate coated with a layer of enamel formed from the composition according to the invention, as well as to a method for obtaining this glass article comprising a step of printing the composition according to the invention onto a glass substrate.
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