CN104176929A - High-aluminum high-sodium cover plate glass - Google Patents

High-aluminum high-sodium cover plate glass Download PDF

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Publication number
CN104176929A
CN104176929A CN201410401193.1A CN201410401193A CN104176929A CN 104176929 A CN104176929 A CN 104176929A CN 201410401193 A CN201410401193 A CN 201410401193A CN 104176929 A CN104176929 A CN 104176929A
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China
Prior art keywords
glass
plate glass
cover plate
raw material
cover
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CN201410401193.1A
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Chinese (zh)
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CN104176929B (en
Inventor
宫汝华
任书明
刘再进
陈芳芳
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Sichuan Hongke Innovation Technology Co ltd
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Tunghsu Group Co Ltd
Sichuan Xuhong Optoelectronic Technology Co Ltd
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Priority to CN201410401193.1A priority Critical patent/CN104176929B/en
Publication of CN104176929A publication Critical patent/CN104176929A/en
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Abstract

The invention discloses a processing method of cover plate glass. The cover plate glass comprises the following components in percentage by mass: 55-65% of SiO2, 11-14% of Al2O3, 5.5-8% of MgO, 0-2% of CaO, 0-2% of BaO, 0-2% of SrO, 12.5-14.5% of Na2O, 2.5-4.0% of K2O and 0.8-1.8% of ZrO2. The BaO is added into the glass, and the ZrO2 content is also enhanced, thereby obviously enhancing the refractivity, light transmittance, mechanical strength and chemical corrosion resistance of the glass; glass cullet with consistent components with the finished product is also added into the raw materials, thereby lowering the melting temperature of the raw materials and enhancing the homogenizing performance of the glass; and by using the waste cover plate glass, the method can implement solid waste resource reutilization, and reduces the environmental pollution.

Description

The high sodium cover-plate glass of a kind of high alumina
Technical field
The present invention relates to glass processing field, specifically a kind of working method of cover-plate glass.
Background technology
Cover-plate glass is the main raw material(s) of manufacturing touch-screen, the Application Areas of touch-screen product, from game machine to notebook, palm PC, mobile phone, GPS(GPS), POS(point of sales terminal), the various flat pannel display industries such as DPF.All kinds of touch-control class consumer electronics such as current all smart mobile phones, panel computer all use cover-plate glass.
Cover-plate glass is again protective glass, is conventionally called cover glass, and cover-plate glass is as an important component part of touch-control device, and Main Function is protection LCD device, touch-control device decorative appearance, and light transmission is good.General cover-plate glass is now most of, and what adopt is common soda-lime-silica glass, is mainly cheap, but poor quality, can be by scratch after using for some time as touch screen, transparency is also very low, very large to user's eye injury.And current cover-plate glass contains too high infusibility component conventionally, cause melting temperature (Tm) too high; Or containing acidic oxide, it has corrodibility, can accelerate the erosion to kiln refractory materials.
Summary of the invention
The object of the invention is to solve the defect and the inefficiency that in above-mentioned existing field engineering, exist, a kind of working method of cover-plate glass is provided, solve existing cover-plate glass quality too poor, transparency is not high, easily by scratch, solvent temperature is too high, corrodibility is excessively strong defect.
Object of the present invention is achieved through the following technical solutions: a kind of working method of cover-plate glass, specifically has following steps:
(1) prepare raw material, by mass percentage, comprise 55～65% SiO 2, 11～14% Al 2o 3, 5.5～8% MgO, 0～2% CaO, 0～2% BaO, 0～2% SrO, 12.5%～14.5% Na 2o, 2.5%～4.0% K 2o, 0.8%～1.8% ZrO 2;
(2) after the raw material in step (1) is mixed, mixed raw material is sent to heating and melting in kiln and becomes bath of glass, Heating temperature is 1600 DEG C-2000 DEG C;
(3) bath of glass in step (2) carries out after moulding, annealing, and cutting processing is finished product.
In the present invention, compared with existing glass, added BaO, and the amount of ZrO2 is also improved, can improves significantly specific refractory power, transmittance, physical strength and the resistance to chemical corrosion of glass, in glass of the present invention, added Al 2o 3, improve stability and the physical strength of glass, increase glass toughness, but also can reduce the corrodibility to refractory materials, be the damage having reduced kiln and molding device.
The bath of glass of step (3) is by the moulding of molten tin bath float glass process, annealing process of passing through tunnel formula annealing furnace stress relieving by annealing, and corrodibility of the present invention has substantial degradation, thus very low to molten tin bath and annealing furnace damage, reduce maintenance cost
Further, raw material described in step (2) is in the time mixing, glass cullet are also added, the composition of glass cullet is consistent with finished product in step (3), and the mass ratio of glass cullet and raw material is 1:9～7:3, the effect of glass cullet is the melting temperature (Tm) that has reduced raw material, the homogenizing performance that improves glass, because can adopt discarded cover-plate glass, can realize solid waste resource reutilization, reduce the pollution to environment.
The invention has the beneficial effects as follows:
1, in glass of the present invention, added BaO, and the amount of ZrO2 is also improved, can improves significantly specific refractory power, transmittance, physical strength and the resistance to chemical corrosion of glass, also added Al 2o 3, improve stability and the physical strength of glass, increase glass toughness, but also can reduce the corrodibility to refractory materials, be the damage having reduced kiln and molding device;
2, in raw material of the present invention, the glass cullet consistent with finished product composition have also been increased, the melting temperature (Tm) of raw material, the homogenizing performance of raising glass are reduced, because can adopt discarded cover-plate glass, can realize solid waste resource reutilization, reduce the pollution to environment.

Claims (2)

1. a working method for cover-plate glass, is characterized in that, comprises the following steps:
(1) prepare raw material, by mass percentage, comprise 55～65% SiO 2, 11～14% Al 2o 3, 5.5～8% MgO, 0～2% CaO, 0～2% BaO, 0～2% SrO, 12.5%～14.5% Na 2o, 2.5%～4.0% K 2o, 0.8%～1.8% ZrO 2;
(2) after the raw material in step (1) is mixed, mixed raw material is sent to heating and melting in kiln and becomes bath of glass, Heating temperature is 1600 DEG C-2000 DEG C;
(3) bath of glass in step (2) carries out after moulding, annealing, and cutting processing is finished product.
2. the working method of a kind of cover-plate glass according to claim 1, it is characterized in that: the raw material described in step (2) is in the time mixing, also added glass cullet, the composition of glass cullet is consistent with finished product in step (3), and the mass ratio of glass cullet and raw material is 1:9～7:3.
CN201410401193.1A 2014-08-15 2014-08-15 High-aluminum high-sodium cover plate glass Active CN104176929B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410401193.1A CN104176929B (en) 2014-08-15 2014-08-15 High-aluminum high-sodium cover plate glass

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Application Number Priority Date Filing Date Title
CN201410401193.1A CN104176929B (en) 2014-08-15 2014-08-15 High-aluminum high-sodium cover plate glass

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CN104176929B CN104176929B (en) 2017-05-24

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105060703A (en) * 2015-09-06 2015-11-18 四川旭虹光电科技有限公司 High-strength protective glass plate for electronic display equipment
CN105800947A (en) * 2016-03-04 2016-07-27 四川旭虹光电科技有限公司 Glass blind hole machining method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101575167A (en) * 2009-06-05 2009-11-11 北京工业大学 Zirconia aluminosilicate glass
CN102459101A (en) * 2009-06-29 2012-05-16 旭硝子株式会社 Method for manufacturing molten glass, glass-melting furnace, glass article manufacturing device, and glass article manufacturing method
CN103228590A (en) * 2011-01-18 2013-07-31 日本电气硝子株式会社 Tempered glass, and tempered glass plate

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101575167A (en) * 2009-06-05 2009-11-11 北京工业大学 Zirconia aluminosilicate glass
CN102459101A (en) * 2009-06-29 2012-05-16 旭硝子株式会社 Method for manufacturing molten glass, glass-melting furnace, glass article manufacturing device, and glass article manufacturing method
CN103228590A (en) * 2011-01-18 2013-07-31 日本电气硝子株式会社 Tempered glass, and tempered glass plate

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105060703A (en) * 2015-09-06 2015-11-18 四川旭虹光电科技有限公司 High-strength protective glass plate for electronic display equipment
CN105060703B (en) * 2015-09-06 2017-10-31 四川旭虹光电科技有限公司 Electronic display unit high intensity protective glass plate
CN105800947A (en) * 2016-03-04 2016-07-27 四川旭虹光电科技有限公司 Glass blind hole machining method
CN105800947B (en) * 2016-03-04 2018-11-23 四川旭虹光电科技有限公司 A kind of glass method for processing blind hole

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Denomination of invention: A kind of high aluminum and high sodium cover glass

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Denomination of invention: A kind of high aluminum and high sodium cover glass

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Denomination of invention: A kind of high aluminum and high sodium cover glass

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