Low-aluminum high-boron-silicon fireproof luminescent glass and preparation process thereof

By using a low-alumina, high-borosilicate fire-resistant luminescent glass formulation and a low-temperature ion exchange method, the technological challenges of high-alumina silicate glass in float glass production have been solved, resulting in glass with excellent optical and mechanical properties suitable for smart mobile terminals.

CN117228953BActive Publication Date: 2025-11-04QINGDAO FUSION NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202311239740.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-09-25
Publication Date
2025-11-04
Estimated Expiration
2043-09-25

AI Technical Summary

Technical Problem

Existing high-alumina silicate glass is adversely affected by processes such as melting, clarification, and forming in the float glass production process, and lacks excellent optical properties, mechanical strength, chemical corrosion resistance, fire resistance, and luminescence properties.

Method used

The low-alumina, high-borosilicate fire-resistant and luminescent glass formulation includes components such as SiO2, B2O3, Al2O3, CaO, MgO, Na2O, K2O, TiO2, Eu2O3, Ag, and NaCl. It is strengthened by low-temperature ion exchange to form a stable glass network structure, thereby enhancing mechanical and fire-resistant properties.

Benefits of technology

The prepared low-aluminum, high-borosilicate fire-resistant luminescent glass has high transmittance, excellent mechanical strength, chemical corrosion resistance, high softening point, low coefficient of thermal expansion, and excellent fire resistance, making it suitable for the field of smart mobile terminals.

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Abstract

This invention discloses a low-aluminum, high-borosilicate fire-resistant luminescent glass and its preparation process, belonging to the field of glass technology. The technical solution comprises the following components in parts by weight: SiO₂ 2 65-75 parts, B2O3 10-16 parts, Al2O 3 2-3 parts, CaO 1-2 parts, MgO 1-2.5 parts, Na₂O 3-7 parts, K₂O 1-3.5 parts, TiO₂ 2 0.5-2 parts, Eu2O 3 4-7 parts of Ag, 0.5-1.0 parts of NaCl, and 0.5-1.5 parts of NaCl. The low-alumina, high-borosilicate fire-resistant luminescent glass prepared by this invention has excellent optical properties, high transmittance, high mechanical strength, excellent chemical corrosion resistance, high softening point and luminous intensity, low coefficient of thermal expansion, and excellent fire resistance, and has good application prospects.
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