Composition used for preparing aluminum borosilicate glass, aluminum borosilicate glass, preparation method and application of aluminum borosilicate glass

A kind of technology of aluminoborosilicate and composition, applied in the field of composition for preparing aluminoborosilicate glass

Active Publication Date: 2016-09-21
DONGXU OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In terms of flexible packaging cover materials, the low-brittleness ultra-thin flexible non-alkali glass cover is far superior to polymer materials in terms of strength and air tightness, but it also has the unavoidable brittleness problem of glass materials, so the brittleness is reduced at the material level , Improving flexibility is still one of the important issues

Method used

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  • Composition used for preparing aluminum borosilicate glass, aluminum borosilicate glass, preparation method and application of aluminum borosilicate glass
  • Composition used for preparing aluminum borosilicate glass, aluminum borosilicate glass, preparation method and application of aluminum borosilicate glass
  • Composition used for preparing aluminum borosilicate glass, aluminum borosilicate glass, preparation method and application of aluminum borosilicate glass

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Experimental program
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Embodiment 1-12

[0044] Table 1 and Table 2 are the composition ratio tables, weigh each component according to Table 1, and mix to obtain 9 groups of compositions (SiO 2 +Al 2 o 32 +Al 2 o 3 >58mol%).

[0045] Table 1 1-9 group composition ratio

[0046]

[0047]

[0048] Table 2 10-12 composition ratio

[0049]

[0050] The obtained 12 groups of composition mixtures were poured into platinum crucibles respectively, and then heated in a resistance furnace at 1350° C. for 4 hours, and stirred with a platinum rod to discharge air bubbles. Pour the molten glass into a stainless steel cast iron mold to form a specified block glass product, then anneal the glass product in an annealing furnace for 2 hours, turn off the power and cool down to 25°C with the furnace. The glass product is cut, ground and polished, then cleaned with deionized water and dried to obtain a finished glass product. Various properties of each glass product were measured respectively, and the results are shown...

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Abstract

The invention provides a composition used for preparing aluminum borosilicate glass, the aluminum borosilicate glass, and a preparation method and an application of the aluminum borosilicate glass. The composition used for preparing the aluminum borosilicate glass comprises 40-58mol% of SiO2, 10-30mol% of B2O3, 1-10mol% of Al2O3, 4-10mol% of MgO, 0-8mol% of CaO, 0-4mol% of SrO, 10.1-16mol% of BaO, 0-4mol% of ZnO and 0.1-3mol% of RE2O3. The SiO2 content of the composition is low, the B2O3 content and the BaO content of the composition are high, and the glass prepared through using the composition has the advantages of low brittleness and strong flexibility.

Description

technical field [0001] The invention relates to the field of glass manufacturing, in particular to a composition for preparing aluminoborosilicate glass, aluminoborosilicate glass and a preparation method and application thereof. Background technique [0002] With the improvement of production requirements, the thinning of glass is the current development trend, especially in the fields of smart phones and tablet computers, where the thickness reaches 0.25mm, 0.2mm, 0.1mm or even thinner. The way to thin the glass is currently chemical thinning. Specifically, the glass substrate is corroded with hydrofluoric acid or hydrofluoric acid buffer solution. The thinning principle is as follows: [0003] Main chemical reaction: 4HF+SiO 2 =SiF 4 +2H 2 o [0004] Secondary chemical reaction: RO+2H + = R 2+ +H 2 O (R represents alkaline earth metals, etc.) [0005] The chemical thinning process and the surface quality of the thinned glass substrate have a certain relationship w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C3/095
CPCC03C3/095
Inventor 李青张广涛李志勇王俊峰闫冬成王丽红郑权
Owner DONGXU OPTOELECTRONICS TECH CO LTD
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