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REINFORCED GLASS-CERAMIC ARTICLE AND ENAMEL ADAPTED FOR COATING SAME 发明申请

2023-06-03 2220 412K 0

专利信息

申请日期 2025-07-12 申请号 KR1020107015485
公开(公告)号 KR1020100103579A 公开(公告)日 2010-09-27
公开国别 KR 申请人省市代码 全国
申请人 EUROKERA
简介 A process for reinforcing a glass-ceramic article, into which a maximum tension is introduced beneath the surface of the glass-ceramic, advantageously in proximity to said surface. The invention also relates to an enamel that can be used for this reinforcement, this enamel being formed from a glass frit having the following composition, the proportions being expressed as weight percentages : SiO2 50-66% MgO 3-8% Na2O  7-15% K2O 0-3% Li2O  0-12% CaO  0-10% BaO  0-15% Al2O3 0-3% ZrO2 0-3% ZnO 0-5% B2O3 0-8% the sum of the alkaline-earth metal oxides CaO+BaO moreover being between 8 and 15%, and the sum of the alkali metal oxides Na2O+K2O+Li2O moreover being between 7 and 20%. The reinforced glass-ceramics obtained by the process.


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