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CN107108336A 玻璃‑陶瓷组合物和包括其的层叠玻璃制品 有权

玻璃‑陶瓷组合物和包括其的层叠玻璃制品
摘要：
根据一种实施方式,玻璃‑陶瓷组合物可包括约60摩尔％‑约75摩尔％SiO2；约5摩尔％‑约10摩尔％Al2O3；约2摩尔％‑约20摩尔％碱金属氧化物R2O,碱金属氧化物R2O包括Li2O和Na2O；和0摩尔％‑约5摩尔％碱土金属氧化物RO,碱土金属氧化物RO包括MgO。在玻璃‑陶瓷组合物中，Al2O3(摩尔％)与(R2O(摩尔％)+RO(摩尔％))之和的比例可小于1。玻璃‑陶瓷组合物的主要晶相可为Li2Si2O5。玻璃‑陶瓷组合物的液相线粘度可大于35kP。玻璃‑陶瓷组合物可用来形成层叠玻璃制品的玻璃包覆层。
摘要（英）：

According to one embodiment, a glass-ceramic composition may include from about 60 mol.% to about 75 mol.% SiO2; from about 5 mol.% to about 10 mol.% AI2O3; from about 2 mol.% to about 20 mol.% alkali oxide R2O, the alkali oxide R2O including Li20 and Na2O; and from 0 mol.% to about 5 mol.% alkaline earth oxide RO, the alkaline earth oxide RO including MgO. A ratio of Al2O3 (mol.%)) to the sum of (R2O(mol.%) + RO (mol.%)) may be less than 1 in the glass-ceramic composition. A major crystalline phase of the glass-ceramic composition may be Li2Si2O5. A liquidus viscosity of the glass-ceramic composition may be greater than 35 kP. The glass-ceramic composition may be used to form the glass clad layer(s) of a laminated glass article.

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