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发明授权
CN104276756B 一种无碱玻璃 有权 质押

一种无碱玻璃
摘要：
本发明公开了一种无碱玻璃，所述的玻璃中各化学成分的摩尔百分含量为：SiO2 68.5‑72%，Al2O3 12.6‑15%，B2O3 1‑3.7%，MgO 0.1‑5.5%，CaO 4‑7%，ZnO 0.05‑4%，SrO 1‑3.5%，SnO 0.05‑0.1%。具有高化学稳定性、高应变点、高杨氏模量、低膨胀系数、低熔化温度、低液相线温度等优点，该配方组成中的ZnO、MgO，能显著降低高温粘度，具有较低的熔化温度。此材料可广泛适用于制作平面显示器、光伏器件或者其他光电器件的玻璃基板，特别适用使用低温多晶硅LTPS技术的TFT‑LCD、OEL的玻璃基板等。
摘要（英）：

The invention discloses alkali-free glass. The glass comprises the following chemical components by mole percent: 68.5-72% of SiO2, 12.6-15% of Al2O3, 1-3.7% of B2O3, 0.1-5.5% of MgO, 4-7% of CaO, 0.05-4% of ZnO, 1-3.5% of SrO and 0.05-0.1% of SnO. The alkali-free glass has the advantages of high chemical stability, high strain point, high Young modulus, low coefficient of expansion, low melting temperature, low liquidus temperature, and the like. The high temperature viscosity can be obviously reduced via ZnO and MgO in the formula composition, so that the alkali-free glass has lower melting temperature. The material can be widely suitable for manufacturing the glass substrates of flat panel displays, photovoltaic devices or other photoelectric devices and is especially suitable for manufacturing the glass substrates, and the like of TFT-LCD (thin film transistor-liquid crystal display) using the LTPS (low temperature poly-silicon) technology, and OEL (organic electroluminescence).

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