CN102690050B - Processing method of chemically toughened glass - Google Patents
Processing method of chemically toughened glass Download PDFInfo
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- CN102690050B CN102690050B CN201210186330.5A CN201210186330A CN102690050B CN 102690050 B CN102690050 B CN 102690050B CN 201210186330 A CN201210186330 A CN 201210186330A CN 102690050 B CN102690050 B CN 102690050B
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- toughened glass
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- potassium nitrate
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Abstract
The invention discloses a processing method of chemically toughened glass, which comprises the following steps: adding solid potassium nitrate into a reinforcing furnace, hermetically firing at 340-400 DEG C for 67-78 hours to obtain a potassium nitrate liquid, adding silicic acid, stirring every half hour for 3-5 hours, immersing chemically toughened glass into the potassium nitrate solution, and carrying out ion-exchange reaction at 370-440 DEG C. The method disclosed by the invention keeps the chemically toughened glass smooth and enhances the impact height.
Description
Technical field
The present invention relates to mechanics of materials field, particularly relate to a kind of working method of chemically toughened glass.
Background technology
Chemically toughened glass is a kind of prestressed glass, conventionally use the method for chemistry or physics to form stress at glass surface, the intensity of glass is improved, when bearing external force, chemically toughened glass first offsets skin stress, thereby improved supporting capacity, strengthened the anti-wind pressure of glass self, cold and heat, impact etc.The shock height of chemically toughened glass is higher, and planarization will be poorer, and the poor chemically toughened glass of planarization there will be the phenomenons such as bending, perk.The shock height of traditional chemically toughened glass can only be accomplished 400mm, with this, guarantees its planarization, and shock height reaches 450mm and when above, planarization just can not reach service requirements, occurs phenomenon crooked, perk, affects result of use.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of working method of chemically toughened glass, and the method improves its shock height when keeping chemically toughened glass planarization.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of working method of chemically toughened glass is provided, comprises step:
(1) in strengthening stove, add solid nitric acid potassium, at 340 ℃ of-400 ℃ of lower seals, fire and become saltpetre liquid in 67-78 hour, add silicic acid, every half an hour, stir once, stir and continue 3-5 hour;
(2) chemically toughened glass is immersed in potassium nitrate solution, at 370 ℃-440 ℃, carry out ion exchange reaction, be 5-8 hour swap time.
In a preferred embodiment of the present invention, the described firing temperature of step (1) is 370 ℃.
In a preferred embodiment of the present invention, the described firing time of step (1) is 72 hours.
In a preferred embodiment of the present invention, the described churning time of step (1) is 4 hours.
In a preferred embodiment of the present invention, the described solution temperature of step (2) is 400 ℃.
In a preferred embodiment of the present invention, step (2) described swap time is 7 hours.
The invention has the beneficial effects as follows: the working method of a kind of chemically toughened glass of the present invention, the ion that in the ion that in the method surface layer of glass, radius is less and solution, radius is larger exchanges, utilize the difference on basic ion volume to form embedded squeezing stress at surface layer of glass, when can be maintained planarization, improve the chemically toughened glass of shock height.
Accompanying drawing explanation
Fig. 1 is the ion-exchange schematic diagram of working method one preferred embodiment of chemically toughened glass of the present invention.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Embodiment mono-:
Refer to Fig. 1, the invention provides a kind of working method of chemically toughened glass, comprise step:
(1) in strengthening stove, add 300kg solid nitric acid potassium, furnace temperature is transferred to 390 ℃, the solid nitric acid potassium of putting into strengthening stove is fired 77 hours at this temperature lower seal, fire rear solid nitric acid potassium and become faint yellow saltpetre liquid, in faint yellow saltpetre liquid, add 6g silicic acid, every half an hour, solution is carried out to uniform stirring once, this whipping process continues 5 hours, and preparation completes;
(2) chemically toughened glass is immersed in potassium nitrate solution, at 380 ℃, ion exchange reaction is carried out in silicic acid catalysis, and be 8 hours swap time.
Embodiment bis-:
Refer to Fig. 1, the invention provides a kind of working method of chemically toughened glass, comprise step:
(1) in strengthening stove, add 250kg solid nitric acid potassium, furnace temperature is transferred to 370 ℃, the solid nitric acid potassium of putting into strengthening stove is fired 72 hours at this temperature lower seal, fire rear solid nitric acid potassium and become faint yellow saltpetre liquid, in faint yellow saltpetre liquid, add 5g silicic acid, every half an hour, solution is carried out to uniform stirring once, this whipping process continues 4 hours, and preparation completes;
(2) chemically toughened glass is immersed in potassium nitrate solution, at 400 ℃, ion exchange reaction is carried out in silicic acid catalysis, and be 7 hours swap time.
The working method of the chemically toughened glass that the present invention discloses, the ion that in the ion that in the method surface layer of glass, radius is less and solution, radius is larger exchanges, utilize the difference on basic ion volume to form embedded squeezing stress at surface layer of glass, the planarization of chemically toughened glass is below 0.15mm, its shock height can reach 800mm, and the method improves the chemically toughened glass of shock height when can be maintained planarization.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes specification sheets of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (1)
1. a working method for chemically toughened glass, is characterized in that: comprise step:
(1) in strengthening stove, add 300kg solid nitric acid potassium, furnace temperature is transferred to 390 ℃, the solid nitric acid potassium of putting into strengthening stove is fired 77 hours at this temperature lower seal, fire rear solid nitric acid potassium and become faint yellow saltpetre liquid, in faint yellow saltpetre liquid, add 6g silicic acid, every half an hour, solution is carried out to uniform stirring once, this whipping process continues 5 hours, and preparation completes;
(2) chemically toughened glass is immersed in potassium nitrate solution, at 380 ℃, ion exchange reaction is carried out in silicic acid catalysis, and be 8 hours swap time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210186330.5A CN102690050B (en) | 2012-06-08 | 2012-06-08 | Processing method of chemically toughened glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210186330.5A CN102690050B (en) | 2012-06-08 | 2012-06-08 | Processing method of chemically toughened glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102690050A CN102690050A (en) | 2012-09-26 |
| CN102690050B true CN102690050B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210186330.5A Active CN102690050B (en) | 2012-06-08 | 2012-06-08 | Processing method of chemically toughened glass |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922576A (en) * | 2014-04-18 | 2014-07-16 | 深圳市金怡凯科技有限公司 | Chemical tempering additive and method for performing chemical tempering by using same |
| CN107089672B (en) * | 2017-05-28 | 2019-06-04 | 赵家春 | A kind of optical glass Production of Potassium Nitrate method |
| JP7395939B2 (en) * | 2019-10-09 | 2023-12-12 | Ａｇｃ株式会社 | Manufacturing method of chemically strengthened glass |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044448A (en) * | 1990-02-27 | 1990-08-08 | 中国科学院光电技术研究所 | Surface strengthening method for optical glass elements and high-strength products thereof |
| US6518211B1 (en) * | 1998-03-20 | 2003-02-11 | Pilkington, Plc | Chemically toughened glasses |
| CN1220632C (en) * | 2004-02-25 | 2005-09-28 | 中国建筑材料科学研究院 | Purification process of potassium nitrate for producing chemical toughened glass |
| CN101544477A (en) * | 2009-01-12 | 2009-09-30 | 上海光和光学制造有限公司 | A flat sight glass toughening technology |
-
2012
- 2012-06-08 CN CN201210186330.5A patent/CN102690050B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1044448A (en) * | 1990-02-27 | 1990-08-08 | 中国科学院光电技术研究所 | Surface strengthening method for optical glass elements and high-strength products thereof |
| US6518211B1 (en) * | 1998-03-20 | 2003-02-11 | Pilkington, Plc | Chemically toughened glasses |
| CN1220632C (en) * | 2004-02-25 | 2005-09-28 | 中国建筑材料科学研究院 | Purification process of potassium nitrate for producing chemical toughened glass |
| CN101544477A (en) * | 2009-01-12 | 2009-09-30 | 上海光和光学制造有限公司 | A flat sight glass toughening technology |
Non-Patent Citations (3)
| Title |
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| 朱雷波等.《平板玻璃深加工学》.《平板玻璃深加工学》.武汉理工大学出版社,2002,第100-106页. * |
| 林克辉等.《新型建筑材料及应用》.《新型建筑材料及应用》.华南理工大学出版社,2006,第307-312页. * |
| 陈建东等.《玻璃幕墙工程技术规范应用手册》.《玻璃幕墙工程技术规范应用手册》.中国建筑工业出版社,1996,第172-186页. * |
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| CN102690050A (en) | 2012-09-26 |
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Effective date of registration: 20160602 Address after: 221611 Jiangsu city of Xuzhou Province Economic and Technological Development Zone West High Road, Heping Road East extension section south of the Longhai Railway to the North Patentee after: JIANGSU JINGBO OPTICS TECHNOLOGY CO.,LTD. Address before: 215500 No. 28, Jinhua Road, hi tech Industrial Park, Suzhou, Jiangsu, Changshou City Patentee before: Changshu Jingbo Optics Technology Co.,Ltd. |
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Address after: 221000 Jiangsu city of Xuzhou Province Economic and Technological Development Zone of High Road No. 28 Patentee after: JIANGSU JINHUPO OPTICS TECHNOLOGY CO.,LTD. Address before: 221611 Jiangsu city of Xuzhou Province Economic and Technological Development Zone West High Road, Heping Road East extension section south of the Longhai Railway to the North Patentee before: JIANGSU JINGBO OPTICS TECHNOLOGY CO.,LTD. |
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Effective date of registration: 20220819 Address after: No. 899 Yongchang Road, Suining Economic Development Zone, Xuzhou City, Jiangsu Province 221000 Patentee after: JIANGSU NADIA ELECTRONIC TECHNOLOGY CO.,LTD. Address before: 221000 28 Gaoxin Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: JIANGSU JINHUPO OPTICS TECHNOLOGY CO.,LTD. |