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发明公开
CN101643317A 适合于格法工艺生产的灰绿色太阳镜玻璃 失效 - 权利终止

适合于格法工艺生产的灰绿色太阳镜玻璃
摘要：
一种适合于格法工艺生产的灰绿色太阳镜玻璃，包括基础玻璃部分和着色剂部分，基础玻璃部分包括如下组分：SiO 2 ：66～75wt％，Na 2 O：10～20wt％，CaO：5～15wt％，Al 2 O 3 ：1～4wt％；着色剂部分包括如下组分：Fe 2 O 3 ：0.2～1.0wt％，CoO：0.03～0.2wt％，Cr 2 O 3 ：0.2～0.8wt％，NiO：0.08～0.8wt％，CeO 2 ：0.2～2.0wt％，TiO 2 ：0.5～4.0wt％。本发明的玻璃颜色为灰绿色，可见光透射率T为8％～40％；紫外光谱区UVB透射比≤5％，并且≤0.5T，紫外光谱区UVA透射比≤T，能满足太阳镜玻璃的技术要求。玻璃中着色剂Fe 2 O 3 的含量为0.2～1.0wt％，适用于格法工艺生产。
摘要（英）：

The invention provides gray green sunglasses glass suitable for lattice-method process production, which comprises a basic glass part and a colorant part, wherein the basic glass part comprises the following components: 66 to 75 weight percent of SiO2, 10 to 20 weight percent of Na2O, 5 to 15 weight percent of CaO, and 1 to 4 weight percent of Al2O3; and the colorant part comprises the following components: 0.2 to 1.0 weight percent of Fe2O3, 0.03 to 0.2 weight percent of CoO, 0.2 to 0.8 weight percent of Cr2O3, 0.08 to 0.8 weight percent of NiO, 0.2 to 2.0 weight percent of CeO2, and 0.5 to 4.0 weight percent of TiO2. The glass of the invention is gray green; the visible light transmittance T of the glass is 8 to 40 percent; the UVB transmittance of ultraviolet spectral regions is less than or equal to 5 percent and is less than or equal to 0.5T; and the UVA transmittance of the ultraviolet spectral regions is less than or equal to T. Therefore, the glass can meet the technical requirements of sunglasses glass. The Fe2O3 content of colorant in the glass is 0.2 to 1.0 weight percent, and is applicable to lattice-method process production.

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