CN104211297A - Composite clarifying used in production technology of contact screen cover plate glass - Google Patents
Composite clarifying used in production technology of contact screen cover plate glass Download PDFInfo
- Publication number
- CN104211297A CN104211297A CN201310378660.9A CN201310378660A CN104211297A CN 104211297 A CN104211297 A CN 104211297A CN 201310378660 A CN201310378660 A CN 201310378660A CN 104211297 A CN104211297 A CN 104211297A
- Authority
- CN
- China
- Prior art keywords
- screen cover
- plate glass
- touch
- sno
- nacl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000005357 flat glass Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000002131 composite material Substances 0.000 title abstract description 5
- 238000005516 engineering process Methods 0.000 title abstract description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 26
- 239000011780 sodium chloride Substances 0.000 claims abstract description 13
- 150000001875 compounds Chemical class 0.000 claims description 16
- 239000011521 glass Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 239000004615 ingredient Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 6
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 238000009472 formulation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 239000008395 clarifying agent Substances 0.000 abstract 6
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 abstract 2
- 229910052939 potassium sulfate Inorganic materials 0.000 abstract 2
- 239000006060 molten glass Substances 0.000 abstract 1
- 238000005352 clarification Methods 0.000 description 14
- 238000005496 tempering Methods 0.000 description 8
- 229910052785 arsenic Inorganic materials 0.000 description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 2
- 230000001988 toxicity Effects 0.000 description 2
- 231100000419 toxicity Toxicity 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000006025 fining agent Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Abstract
The invention discloses a composite clarifying agent, which is used in the production technology of a contact screen cover plate glass to eliminate the bubbles in molten glass. The clarifying agent is composed of a main material (NaCl) and two auxiliary materials (SnO and K2SO4), wherein the NaCl accounts for 74 to 93% of the total weight of the clarifying agent, SnO accounts for 2 to 8% of the total weight of the clarifying agent, and K2SO4 accounts for 5 to 18% of the total weight of the clarifying agent. The composite clarifying agent can guarantee the clarifying effect, and at the same time has the advantages of light weight and easiness for chemical toughening.
Description
Technical field
The invention belongs to glass fining agent technical field, the compound clarifier specifically in a kind of touch-screen cover-plate glass production technique.
Background technology
The bubble that glass melt internal contamination thing is formed is referred to as " seed ".The existence of seed has impact for the specific refractory power of glass, density and transmittance.The process that figure's inclusion removes from melt is called the clarification or refining of glass.The chemical composition introduced in glass for reaching clarifying effect is called as finings.Traditional finings mostly is oxide compound or the acid of arsenic, and content accounts for the 0.9-1.1%(weight percent of glass usually).Arsenic has good clarifying effect, but due to the toxicity of arsenic, for produce and process brings very large economical load.Antimony is the substitute of the arsenic of follow-up appearance, although can reach certain clarification object and toxicity reduces to some extent, is still harmful to, and is expensively unfavorable for environmental protection.Moreover, for touch-screen cover-plate glass, finings add the service requirements also should considering its light weight, high strength.
Summary of the invention
The present invention, in order to solve the problems of the technologies described above, devises the compound clarifier in a kind of touch-screen cover-plate glass production technique, and this compound clarifier, outside the requirement taking into account clarifying effect, also assures that touch-screen cover-plate glass light weight, is easy to the advantages such as chemical tempering.
The technical solution used in the present invention is: the compound clarifier in a kind of touch-screen cover-plate glass production technique, and for eliminating the bubble in melten glass liquid, key is: be major ingredient with NaCl in described finings recipe ingredient, be aided with SnO and K
2sO
4, wherein, the weight percent content of above component is:
NaCl 74~93%，
SnO 2~8%，
K
2SO
4 5~18%。
The invention has the beneficial effects as follows: 1, adopt and be oxidized clarification, sulphur clarification clarifies with halogen the composite clarification mode combined, give full play to synergistic effect and the Overlay of three, the effect continuing clarification can be reached, greatly enhance clarifying ability; 2, the NaCl as clarification main body can discharge halogen ion in the clarification stage of touch-screen cover-plate glass manufacturing process, gasification volatilization, promotes glass metal clarification; 3, this finings introduces a certain amount of SnO for the purpose of auxiliary clarification, and for ensureing the cost of light weight and relative moderate while coordinating clarification, the add-on of SnO is designed to 2% ~ 8%; 4, for the purpose of auxiliary clarification, a certain amount of K is introduced
2sO
4, appropriate K
+helpful for later stage tempering, avoid causing erosion to refractory brick, K while ensureing clarification and later stage tempering effect
2sO
4add-on be designed to 5% ~ 18%; 5, Na
+with K
+introducing not only can meet the demand of fluxing, more can offer help to raising touch-screen cover-plate glass tempering effect; 6, introducing this compound clarifier can make touch-screen cover-plate glass density relatively reduce, and obtains lightweight advantage, is suitable for market large size demand.
Embodiment
A compound clarifier in touch-screen cover-plate glass production technique, for eliminating the bubble in melten glass liquid, importantly: be major ingredient with NaCl in described finings recipe ingredient, be aided with SnO and K
2sO
4, wherein, the weight percent content of above component is:
NaCl 74~93%，
SnO 2~8%，
K
2SO
4 5~18%。
Described NaCl, SnO, K
2sO
4formulation be Powdered.
The size range of described NaCl is 80 ~ 350 orders.
The size range of described SnO is 100 ~ 400 orders.
Described K
2sO
4size range be 100 ~ 330 orders.
In the specific implementation, for verifying that the composition (not comprising finings part) of the touch-screen cover-plate glass of this finings effect is:
SiO
2 65.7%，
Al
2O
3 14.5%，
B
2O
3 3%，
KO
2 2.8%，
NaO
2 10.7%，
CaO 1.3%，
MgO 2%。
Above percentage composition is mass percent.
In the frit formula be made up of above ratio, add this NEW TYPE OF COMPOSITE finings again, wherein, the quality of this compound clarifier accounts for 2.5% ~ 15% of total quality.Proportioning is carried out according to following table:
Table 1
| Composition (%) | Embodiment one | Embodiment two | Embodiment three | Embodiment four | Embodiment five | Embodiment six | Embodiment seven |
| Major ingredient | 93% | 92% | 91% | 90% | 85% | 95% | 97.5% |
| Finings | 7% | 8% | 9% | 10% | 15% | 5% | 2.5% |
Then, according to following proportioning allotment compound clarifier, table 2 is referred to:
Table 2
Verify that the effect of compound clarifier of the present invention is completed by following steps: weighing-mixing-melting-stirring clarification-homogenizing-shaping-annealing-processing-dependence test.
Use the clarifying effect data that difference material side (embodiment one ~ seven) proportioning in table 1 obtains, respectively in Table 3-1 ~ 3-7.
Table 3-1
| Numbering | No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | No. 6 | No. 7 | No. 8 | No. 9 | No. 10 | No. 11 |
| Seed concentration (individual/kg) | 7 | 8 | 7 | 9 | 8 | 8 | 9 | 8 | 8 | 8 | 8 |
| Numbering | No. 12 | No. 13 | No. 14 | No. 15 | No. 16 | No. 17 | No. 18 | No. 19 | No. 20 | No. 21 | No. 22 |
| Seed concentration (individual/kg) | 9 | 7 | 6 | 7 | 7 | 6 | 7 | 5 | 6 | 5 | 9 |
Table 3-2
| Numbering | No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | No. 6 | No. 7 | No. 8 | No. 9 | No. 10 | No. 11 |
| Seed concentration (individual/kg) | 7 | 7 | 8 | 9 | 9 | 8 | 8 | 9 | 8 | 7 | 7 |
| Numbering | No. 12 | No. 13 | No. 14 | No. 15 | No. 16 | No. 17 | No. 18 | No. 19 | No. 20 | No. 21 | No. 22 |
| Seed concentration (individual/kg) | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 6 | 5 | 5 |
Table 3-3
| Numbering | No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | No. 6 | No. 7 | No. 8 | No. 9 | No. 10 | No. 11 |
| Seed concentration (individual/kg) | 7 | 7 | 7 | 9 | 8 | 8 | 7 | 8 | 7 | 7 | 8 |
| Numbering | No. 12 | No. 13 | No. 14 | No. 15 | No. 16 | No. 17 | No. 18 | No. 19 | No. 20 | No. 21 | No. 22 |
| Seed concentration (individual/kg) | 6 | 7 | 7 | 6 | 6 | 5 | 6 | 5 | 4 | 4 | 6 |
Table 3-4
| Numbering | No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | No. 6 | No. 7 | No. 8 | No. 9 | No. 10 | No. 11 |
| Seed concentration (individual/kg) | 8 | 7 | 8 | 9 | 8 | 7 | 7 | 8 | 7 | 6 | 6 |
| Numbering | No. 12 | No. 13 | No. 14 | No. 15 | No. 16 | No. 17 | No. 18 | No. 19 | No. 20 | No. 21 | No. 22 |
| Seed concentration (individual/kg) | 6 | 6 | 5 | 5 | 6 | 5 | 4 | 5 | 4 | 4 | 5 |
Table 3-5
| Numbering | No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | No. 6 | No. 7 | No. 8 | No. 9 | No. 10 | No. 11 |
| Seed concentration (individual/kg) | 6 | 7 | 5 | 6 | 8 | 7 | 7 | 5 | 7 | 6 | 6 |
| Numbering | No. 12 | No. 13 | No. 14 | No. 15 | No. 16 | No. 17 | No. 18 | No. 19 | No. 20 | No. 21 | No. 22 |
| Seed concentration (individual/kg) | 6 | 4 | 5 | 6 | 7 | 5 | 4 | 5 | 4 | 4 | 5 |
Table 3-6
| Numbering | No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | No. 6 | No. 7 | No. 8 | No. 9 | No. 10 | No. 11 |
| Seed concentration (individual/kg) | 7 | 7 | 8 | 7 | 8 | 7 | 6 | 8 | 6 | 6 | 5 |
| Numbering | No. 12 | No. 13 | No. 14 | No. 15 | No. 16 | No. 17 | No. 18 | No. 19 | No. 20 | No. 21 | No. 22 |
| Seed concentration (individual/kg) | 5 | 6 | 4 | 5 | 6 | 5 | 4 | 5 | 5 | 4 | 5 |
Table 3-7
| Numbering | No. 1 | No. 2 | No. 3 | No. 4 | No. 5 | No. 6 | No. 7 | No. 8 | No. 9 | No. 10 | No. 11 |
| Seed concentration (individual/kg) | 8 | 8 | 8 | 9 | 8 | 7 | 7 | 8 | 7 | 6 | 8 |
| Numbering | No. 12 | No. 13 | No. 14 | No. 15 | No. 16 | No. 17 | No. 18 | No. 19 | No. 20 | No. 21 | No. 22 |
| Seed concentration (individual/kg) | 7 | 6 | 5 | 5 | 6 | 5 | 8 | 5 | 6 | 7 | 8 |
Visible, the higher clarification request utilizing novel glass finings of the present invention to reach average seed concentration to be less than 10/kg.
In addition, to the material side of the embodiment three in the table 1 randomly drawed, utilize in table 2 No. 17 finingss to form the glass sample founded and carry out chemical tempering experiment, by its tempering outcome record in table 4.
Table 4
From table 4, the glass surface stress obtained through 8 ~ 10h chemical tempering reaches 520 ~ 540MPa, and the tempering degree of depth reaches 50 ~ 65um.
No. 1 in randomisation list 2, No. 2 finings formulas, use embodiment one ~ tetra-, the four groups of material sides in table 1 respectively, carry out density measurement to the glass sample obtained, outcome record is in table 5.
Table 5
From table 5, utilize finings of the present invention to reach the requirement of density 2.320 ~ 2.400, efficiently reduce the density of touch-screen cover-plate glass, ensure that the needs of touch-screen cover-plate glass light weight.
Claims (5)
1. the compound clarifier in touch-screen cover-plate glass production technique, for eliminating the bubble in melten glass liquid, is characterized in that: be major ingredient with NaCl in described finings recipe ingredient, be aided with SnO and K
2sO
4, wherein, the weight percent content of above component is:
NaCl 74~93%，
SnO 2~8%，
K
2SO
4 5~18%。
2. the compound clarifier in a kind of touch-screen cover-plate glass production technique according to claim 1, is characterized in that: described NaCl, SnO, K
2sO
4formulation be Powdered.
3. the compound clarifier in a kind of touch-screen cover-plate glass production technique according to claim 2, is characterized in that: the size range of described NaCl is 80 ~ 350 orders.
4. the compound clarifier in a kind of touch-screen cover-plate glass production technique according to claim 2, is characterized in that: the size range of described SnO is 100 ~ 400 orders.
5. the compound clarifier in a kind of touch-screen cover-plate glass production technique according to claim 2, is characterized in that: described K
2sO
4size range be 100 ~ 330 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310378660.9A CN104211297B (en) | 2013-08-27 | 2013-08-27 | A kind of compound clarifier in touch screen cover-plate glass production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310378660.9A CN104211297B (en) | 2013-08-27 | 2013-08-27 | A kind of compound clarifier in touch screen cover-plate glass production technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104211297A true CN104211297A (en) | 2014-12-17 |
| CN104211297B CN104211297B (en) | 2016-07-06 |
Family
ID=52093263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310378660.9A Active CN104211297B (en) | 2013-08-27 | 2013-08-27 | A kind of compound clarifier in touch screen cover-plate glass production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104211297B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731786A (en) * | 2016-03-02 | 2016-07-06 | 武汉理工大学 | Compound clarifying agent for medicinal neutral glass |
| CN105923995A (en) * | 2016-04-26 | 2016-09-07 | 东莞市银通玻璃有限公司 | Ultrathin toughened glass and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495142A (en) * | 2002-08-23 | 2004-05-12 | Ф�ز������쳧 | Leadless and specially arseniumless optical double-crown glass |
| US20080300125A1 (en) * | 2007-05-31 | 2008-12-04 | Silke Wolff | Optical glasses of the dense barium flint position |
| CN102892723A (en) * | 2010-02-26 | 2013-01-23 | 肖特公开股份有限公司 | Lithium aluminosilicate glass having a high e-module and method for the production thereof |
| CN102976587A (en) * | 2012-12-22 | 2013-03-20 | 蚌埠玻璃工业设计研究院 | Clarification method of alumina silicate glass melts |
-
2013
- 2013-08-27 CN CN201310378660.9A patent/CN104211297B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1495142A (en) * | 2002-08-23 | 2004-05-12 | Ф�ز������쳧 | Leadless and specially arseniumless optical double-crown glass |
| US20080300125A1 (en) * | 2007-05-31 | 2008-12-04 | Silke Wolff | Optical glasses of the dense barium flint position |
| CN102892723A (en) * | 2010-02-26 | 2013-01-23 | 肖特公开股份有限公司 | Lithium aluminosilicate glass having a high e-module and method for the production thereof |
| CN102976587A (en) * | 2012-12-22 | 2013-03-20 | 蚌埠玻璃工业设计研究院 | Clarification method of alumina silicate glass melts |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731786A (en) * | 2016-03-02 | 2016-07-06 | 武汉理工大学 | Compound clarifying agent for medicinal neutral glass |
| CN105731786B (en) * | 2016-03-02 | 2019-06-25 | 武汉理工大学 | A kind of medicinal neutral density glass compound clarifier |
| CN105923995A (en) * | 2016-04-26 | 2016-09-07 | 东莞市银通玻璃有限公司 | Ultrathin toughened glass and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104211297B (en) | 2016-07-06 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Qing Inventor after: Gao Qiang Inventor after: Yan Dongcheng Inventor after: Li Junfeng Inventor after: Zhang Guangtao Inventor after: Liu Wentai Inventor before: Gao Qiang Inventor before: Yan Dongcheng Inventor before: Li Junfeng Inventor before: Zhang Guangtao Inventor before: Liu Wentai |
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Effective date of registration: 20230625 Address after: 102200 201, floor 2, No. 2, yard 91, shashun Road, Changping District, Beijing Patentee after: Beijing Yuanda Xinda Technology Co.,Ltd. Address before: 050000 no.369 Zhujiang Avenue, hi tech Zone, Shijiazhuang City, Hebei Province Patentee before: TUNGHSU GROUP Co.,Ltd. |
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