Superthin float glass

A float glass and glass technology, applied in the field of ultra-thin float glass, can solve the problems of difficulty in drawing, change in glass properties, and inability to meet the high quality of ultra-thin glass products, reducing micro-bubbles and thin glass yields Improved, stable glass quality

Active Publication Date: 2005-12-28
CLFG LONGHAI ELECTRONICS GLASS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

2. Network exosome oxides (network denatured body), such as K 2 O, Na 2 O, CaO, MgO, etc. cannot form glass, but can change the network structure, thereby changing the performance of the glass
Therefore, on ...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The composition and weight percentage of the glass are: SiO 2 71.5%, Fe 2 o 3 0.05%, Al 2 o 3 1.60%, CaO7.75%, MgO4.50%, K 2 O 1.2%, Na 2 O 13.40% ultra-thin glass component calculation, according to which the ultra-thin glass produced should have the following properties: the glass clarification temperature logη10 2 1459.5°C; operating temperature logη10 3.5 1115.0℃; softening point logη10 7.6 729.9℃; Tg transition temperature logη10 13 It is 546.7°C.

Embodiment 2

[0042] The composition and weight percentage of the glass are: SiO 2 71.5%, Fe 2 o 3 0.09%, Al 2 o 3 2.0%, CaO8.2%, MgO5.0%, K 2 O 0.81%, Na 2 O 12.4% ultra-thin glass component calculation, according to which the ultra-thin glass produced should have the following properties: the glass clarification temperature logη10 2 1457.5°C; operating temperature logη10 3.5 1119.0℃; softening point logη10 7.6 729.4°C; Tg transition temperature logη10 13 It is 546.7°C.

Embodiment 3

[0044] The composition and weight percentage of the glass are: SiO 2 72.5%, Fe 2 o 3 0.07%, Al 2 o 3 2.5%, CaO6.5%, MgO4.3%, K 2 O 1.5%, Na 2 O 12.63% ultra-thin glass component calculation, according to which the ultra-thin glass produced should have the following properties: the glass clarification temperature logη10 2 1450.2°C; operating temperature logη10 3.5 1107.0℃; softening point logη10 7.6 726.6℃; Tg transition temperature logη10 13 It is 546.4°C.

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PUM

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Abstract

Super-thin float glass consists of SiO2 71.5-72.5wt%, Al2O3 1.3-2.5wt%, Fe2O3 0.04-0.9wt%, CaO 6.0-8.20wt%, MgO 4.3-5.0wt%, K2O 0.5-1.5wt%, and Na2O 11.0-13.4wt%. Its advantages include higher transmittance and elastic modulus, better hardness and quality, and no production defect.

Description

Technical field [0001] The invention belongs to an ultra-thin float glass, and is particularly suitable for a medium-aluminum, high-magnesium, and low-calcium soda-lime-silicate glass formed by the float process. Background technique [0002] The basic structure of glass is mainly composed of glass network formers, network exosome oxides and intermediate oxides. 1. Glass network formers, such as SiO 2 , B 2 o 3 ,P 2 o 5 etc. can form glass alone. 2. Network exosome oxides (network denatured body), such as K 2 O, Na 2 O, CaO, MgO, etc. cannot form glass, but can change the network structure, thereby changing the performance of the glass. 3. Intermediate oxides, such as Al 2 o 3 、TiO 2 etc., its role is between the network former and the network denaturer, according to the characteristics of the overall components, it either participates in the formation of the network, or is outside the network, thereby affecting the properties of the glass. [0003] The glass com...

Claims

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Application Information

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IPC IPC(8): C03C3/087
CPCC03C3/087
Inventor 姜宏王桂荣王洪鹃赵晓敏杜米芳赵会峰鲁鹏倪植深
Owner CLFG LONGHAI ELECTRONICS GLASS
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