CN113480184A - Liquid medicine capable of improving strength of ultrathin glass surface and preparation method and application thereof - Google Patents
Liquid medicine capable of improving strength of ultrathin glass surface and preparation method and application thereof Download PDFInfo
- Publication number
- CN113480184A CN113480184A CN202110913070.6A CN202110913070A CN113480184A CN 113480184 A CN113480184 A CN 113480184A CN 202110913070 A CN202110913070 A CN 202110913070A CN 113480184 A CN113480184 A CN 113480184A
- Authority
- CN
- China
- Prior art keywords
- acid
- liquid medicine
- ultrathin glass
- strength
- raw materials
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 57
- 239000007788 liquid Substances 0.000 title claims abstract description 33
- 239000003814 drug Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 42
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 30
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 28
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 23
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 14
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052921 ammonium sulfate Inorganic materials 0.000 claims abstract description 14
- 235000011130 ammonium sulphate Nutrition 0.000 claims abstract description 14
- 229910017604 nitric acid Inorganic materials 0.000 claims abstract description 14
- 239000008367 deionised water Substances 0.000 claims abstract description 13
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000005530 etching Methods 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000000052 comparative effect Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000003746 surface roughness Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/08—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Inorganic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a liquid medicine capable of improving the strength of an ultrathin glass surface and a preparation method and application thereof, wherein the liquid medicine comprises the following raw materials in percentage by weight: 0.1-0.4% of hydrofluoric acid, 40-60% of sulfuric acid, 0.2-0.4% of phosphoric acid, 1-2% of ammonium sulfate, 1.0-20.0% of acetic acid, 2.0-10.0% of nitric acid and the balance of deionized water; the invention controls the degree of the liquid medicine to etch the surface of the ultrathin glass, the etching uniformity and the etching rate by controlling the composition and the dosage of the raw materials, the in-plane quality of the ultrathin glass treated by the liquid medicine is obviously improved, in-plane microcracks are obviously passivated, and in-plane roughness is obviously reduced.
Description
Technical Field
The invention belongs to the technical field of folding screens, and particularly relates to a liquid medicine capable of improving the strength of an ultrathin glass surface, and a preparation method and application thereof.
Background
With the development of society and the advancement of science and technology, glass is widely applied in the electronic industry, and the thickness of common ultrathin glass is 0.1mm-0.33 mm. However, the ultra-thin glass with the above thickness has poor toughness and flexibility, and cannot meet the requirements of a screen with a curved edge or a folding screen application which requires a very high degree of bending and times.
The flexible material or ultra-thin glass material of the general use of folding screen at present, its mainstream requires for the shock resistance that promotes glass and the performance of buckling, and wherein the performance of buckling is the most important performance of folding screen, according to artificial life, can buckle the number of times and need reach 20 ten thousand and above. The glass currently satisfying such a severe bending requirement is an organic material represented by CPI (colorless polyimide) and an inorganic material represented by UTG (ultra-thin glass). The service life and the scratch resistance of the flexible material are far shorter than those of ultra-thin glass, so that the development trend of future folding screens is greatly likely to use the ultra-thin glass as a flexible cover plate to carry out assembly and mass production of modules.
The problem of low surface strength of the ultrathin glass prepared by the traditional overflow, down-draw, float and thinning is mainly caused by that microcracks are formed on the surface of the glass in the process of manufacturing, so that the impact strength of the surface of the glass is greatly reduced.
Disclosure of Invention
In order to solve the technical problems, the invention provides the liquid medicine capable of improving the strength of the ultrathin glass surface and the preparation method and the application thereof.
The technical scheme adopted by the invention is as follows:
the liquid medicine capable of improving the strength of the ultrathin glass surface comprises the following raw materials in percentage by weight: 0.1-0.4% of hydrofluoric acid, 40-60% of sulfuric acid, 0.2-0.4% of phosphoric acid, 1-2% of ammonium sulfate, 1.0-20.0% of acetic acid, 2.0-10.0% of nitric acid and the balance of deionized water.
The liquid medicine capable of improving the strength of the ultrathin glass surface preferably comprises the following raw materials in percentage by weight: 0.3 to 0.4 percent of hydrofluoric acid, 40 to 50 percent of sulfuric acid, 0.2 to 0.4 percent of phosphoric acid, 1.2 to 1.6 percent of ammonium sulfate, 1.0 to 10.0 percent of acetic acid, 4.0 to 8.0 percent of nitric acid and the balance of deionized water.
In an embodiment of the invention, the liquid medicine capable of improving the strength of the ultrathin glass surface comprises the following raw materials in percentage by weight: 0.3% of hydrofluoric acid, 40% of sulfuric acid, 0.3% of phosphoric acid, 1.2% of ammonium sulfate, 3.0% of acetic acid, 6.0% of nitric acid and the balance of deionized water.
In another embodiment of the invention, the liquid medicine capable of improving the strength of the ultrathin glass surface comprises the following raw materials in percentage by weight: 0.4% of hydrofluoric acid, 50% of sulfuric acid, 0.3% of phosphoric acid, 1.2% of ammonium sulfate, 3.0% of acetic acid, 6.0% of nitric acid and the balance of deionized water.
The invention also provides a preparation method of the liquid medicine capable of improving the strength of the ultrathin glass surface, which is characterized by mixing the raw materials according to the formula amount, heating to 45-55 ℃, and uniformly stirring.
The invention also provides application of the liquid medicine in strengthening the strength of the ultrathin glass surface. The in-plane quality and the in-plane strength of the ultrathin glass using the liquid medicine can be greatly improved.
In the formula of the liquid medicine capable of improving the strength of the ultrathin glass surface, hydrofluoric acid is used as a main etchant to etch the surface of the glass surface; the viscosity of the sulfuric acid is high, so that the sulfuric acid can cover and protect the surface of the glass and prevent new defects from being generated in the etching process; the addition of phosphoric acid can ensure the SiO of the glass2The layer is not over-etched but only in-plane defects are repaired; the ammonium sulfate can fill the defects on the surface of the ultrathin glass; the acetic acid can reduce the surface tension of the liquid medicine and the glass surface, increase the infiltration effect, improve the corrosion uniformity and simultaneously have the buffer function. The nitric acid can increase the acidity of the acid solution and enhance the surface etching effect.
The liquid medicine capable of improving the surface strength of the ultrathin glass provided by the invention is reasonable in formula, the degree of etching the surface of the ultrathin glass, the etching uniformity and the etching rate of the ultrathin glass are controlled by controlling the composition and the dosage of the raw materials, the in-plane quality of the ultrathin glass treated by the liquid medicine is obviously improved, in-plane microcracks are obviously passivated, and in-plane roughness is obviously reduced.
Detailed Description
The present invention will be described in detail with reference to examples.
Example 1
The liquid medicine capable of improving the strength of the ultrathin glass surface comprises the following raw materials in percentage by weight: 0.3% of hydrofluoric acid, 40% of sulfuric acid, 0.3% of phosphoric acid, 1.2% of ammonium sulfate, 3.0% of acetic acid, 6.0% of nitric acid and 49.2% of deionized water.
The preparation method comprises the following steps: mixing the raw materials according to the formula ratio, heating to 50 ℃, and uniformly stirring.
Example 2
The liquid medicine capable of improving the strength of the ultrathin glass surface comprises the following raw materials in percentage by weight: 0.4% of hydrofluoric acid, 50% of sulfuric acid, 0.3% of phosphoric acid, 1.2% of ammonium sulfate, 3.0% of acetic acid, 6.0% of nitric acid and 39.1% of deionized water.
The preparation method comprises the following steps: mixing the raw materials according to the formula ratio, heating to 50 ℃, and uniformly stirring.
Comparative example 1
A liquid medicine comprises the following raw materials in percentage by weight: 5% of hydrofluoric acid, 30% of sulfuric acid, 0.3% of phosphoric acid, 1.2% of ammonium sulfate, 3.0% of acetic acid, 6.0% of nitric acid and 54.5% of deionized water.
The preparation method comprises the following steps: mixing the raw materials according to the formula ratio, heating to 50 ℃, and uniformly stirring.
Comparative example 2
A liquid medicine comprises the following raw materials in percentage by weight: 10% of hydrofluoric acid, 30% of sulfuric acid, 0.3% of phosphoric acid, 1.2% of ammonium sulfate, 30.0% of acetic acid, 20.0% of nitric acid and 8.5% of deionized water.
The preparation method comprises the following steps: mixing the raw materials according to the formula ratio, heating to 50 ℃, and uniformly stirring.
Examples of the experiments
The surface of the ultra-thin glass is treated by the liquid medicine in each example and each comparative example, and the treatment method comprises the following steps: and (3) adopting an acid-proof tool or a jig to insert the glass into the basket, immersing the whole tool into acid liquor to etch for 60s, and washing after etching to obtain the ultrathin glass treated by the liquid medicine.
Testing the surface roughness of the ultrathin glass by adopting an AFM (atomic force microscope); glass is placed on a marble platform, a 55g steel ball is used as a free falling body, and the vertical falling height of the steel ball when the glass is broken is recorded. The results are shown in Table 1. And the ultra-thin glass treated without the liquid medicine is used as a contrast. The thickness of the ultra-thin glass plate used was 0.05 mm. The test results are shown in table 1.
TABLE 1
| Source of medicinal liquid | Ball height (55g ball) | Surface roughness (Ra) |
| Without treatment with medicinal liquid | 5cm | 0.41μm |
| Example 1 | 20cm | 0.13μm |
| Example 2 | 22cm | 0.11μm |
| Comparative example 1 | 6cm | 0.33μm |
| Comparative example 2 | 4cm | 0.45μm |
As can be seen from table 1, if the ratio of the raw materials in the chemical solution is changed to be outside the range of the present invention, the surface strength and surface roughness of the ultra-thin glass treated by the method are significantly inferior to those of the ultra-thin glass treated by the chemical solutions of examples 1 and 2 of the present invention in comparative example 1 and comparative example 2. Therefore, the liquid medicine prepared according to the raw materials and the dosage can greatly improve the surface strength of the ultrathin glass and greatly reduce the surface roughness of the ultrathin glass.
The above detailed description of the chemical solution for improving the strength of ultra-thin glass surface, the preparation method and the application thereof with reference to the embodiments are illustrative and not restrictive, and several embodiments can be enumerated according to the limited scope, so that changes and modifications without departing from the general concept of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The liquid medicine capable of improving the strength of the ultrathin glass surface is characterized by comprising the following raw materials in percentage by weight: 0.1-0.4% of hydrofluoric acid, 40-60% of sulfuric acid, 0.2-0.4% of phosphoric acid, 1-2% of ammonium sulfate, 1.0-20.0% of acetic acid, 2.0-10.0% of nitric acid and the balance of deionized water.
2. The liquid medicine capable of improving the strength of the ultrathin glass surface as claimed in claim 1, which is characterized by comprising the following raw materials in percentage by weight: 0.3 to 0.4 percent of hydrofluoric acid, 40 to 50 percent of sulfuric acid, 0.2 to 0.4 percent of phosphoric acid, 1.2 to 1.6 percent of ammonium sulfate, 1.0 to 10.0 percent of acetic acid, 4.0 to 8.0 percent of nitric acid and the balance of deionized water.
3. The liquid medicine capable of improving the strength of the ultrathin glass surface as claimed in claim 1, which is characterized by comprising the following raw materials in percentage by weight: 0.3% of hydrofluoric acid, 40% of sulfuric acid, 0.3% of phosphoric acid, 1.2% of ammonium sulfate, 3.0% of acetic acid, 6.0% of nitric acid and the balance of deionized water.
4. The liquid medicine capable of improving the strength of the ultrathin glass surface as claimed in claim 1, which is characterized by comprising the following raw materials in percentage by weight: 0.4% of hydrofluoric acid, 50% of sulfuric acid, 0.3% of phosphoric acid, 1.2% of ammonium sulfate, 3.0% of acetic acid, 6.0% of nitric acid and the balance of deionized water.
5. The method for preparing a chemical solution capable of improving the strength of an ultrathin glass surface as claimed in any one of claims 1 to 4, wherein the raw materials are mixed according to the formula amount, heated to 45 to 55 ℃, and stirred uniformly.
6. Use of the chemical solution according to any one of claims 1 to 4 for strengthening ultra-thin glass surface strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913070.6A CN113480184A (en) | 2021-08-10 | 2021-08-10 | Liquid medicine capable of improving strength of ultrathin glass surface and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110913070.6A CN113480184A (en) | 2021-08-10 | 2021-08-10 | Liquid medicine capable of improving strength of ultrathin glass surface and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113480184A true CN113480184A (en) | 2021-10-08 |
Family
ID=77946226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110913070.6A Pending CN113480184A (en) | 2021-08-10 | 2021-08-10 | Liquid medicine capable of improving strength of ultrathin glass surface and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113480184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315163A (en) * | 2021-11-19 | 2022-04-12 | 赛德半导体有限公司 | Repair liquid, surface treatment method of ultrathin glass, ultrathin glass and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001176862A (en) * | 1999-12-14 | 2001-06-29 | Mitsubishi Materials Silicon Corp | Silicon wafer, etching liquid and method of etching therefor |
| JP2002338301A (en) * | 2001-05-10 | 2002-11-27 | Nippon Telegr & Teleph Corp <Ntt> | Etching solution and etching method |
| CN102643027A (en) * | 2012-04-26 | 2012-08-22 | 深圳南玻显示器件科技有限公司 | Glass etching liquid and glass etching method |
| CN103508676A (en) * | 2013-07-24 | 2014-01-15 | 芜湖长信科技股份有限公司 | Method for avoiding defect in LCD glass substrate thinning process and acid solution configuration method |
| CN109694203A (en) * | 2017-10-24 | 2019-04-30 | 天津美泰真空技术有限公司 | A kind of glass thin chemical industry skill pretreatment fluid |
-
2021
- 2021-08-10 CN CN202110913070.6A patent/CN113480184A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001176862A (en) * | 1999-12-14 | 2001-06-29 | Mitsubishi Materials Silicon Corp | Silicon wafer, etching liquid and method of etching therefor |
| JP2002338301A (en) * | 2001-05-10 | 2002-11-27 | Nippon Telegr & Teleph Corp <Ntt> | Etching solution and etching method |
| CN102643027A (en) * | 2012-04-26 | 2012-08-22 | 深圳南玻显示器件科技有限公司 | Glass etching liquid and glass etching method |
| CN103508676A (en) * | 2013-07-24 | 2014-01-15 | 芜湖长信科技股份有限公司 | Method for avoiding defect in LCD glass substrate thinning process and acid solution configuration method |
| CN109694203A (en) * | 2017-10-24 | 2019-04-30 | 天津美泰真空技术有限公司 | A kind of glass thin chemical industry skill pretreatment fluid |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114315163A (en) * | 2021-11-19 | 2022-04-12 | 赛德半导体有限公司 | Repair liquid, surface treatment method of ultrathin glass, ultrathin glass and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI412499B (en) | Glass and glass plate manufacturing methods | |
| CN107216032B (en) | Composition for glass, aluminosilicate glass, and preparation method and application thereof | |
| US8840997B2 (en) | Cover glass and method for producing same | |
| US4859636A (en) | Chemically strengthened glass article formed of float glass | |
| TWI386398B (en) | Tempered glass substrate and method for fabricating the same | |
| US20150191394A1 (en) | Cover glass and method for producing cover glass | |
| JP2016169143A (en) | Chemically strengthened glass | |
| WO2012099002A1 (en) | Tempered glass, and tempered glass plate | |
| CN113480184A (en) | Liquid medicine capable of improving strength of ultrathin glass surface and preparation method and application thereof | |
| US8853113B2 (en) | Glass substrate for flat panel display and manufacturing method thereof | |
| KR20210009447A (en) | Glass | |
| JP2010030876A (en) | Tempered glass and manufacturing method for the same | |
| CN103723929A (en) | Glass toughening or antibacterial treatment method and glass subjected to toughening or antibacterial treatment according to method | |
| CN101062838A (en) | Method for manufacturing grinding glass substrate | |
| CN105800948A (en) | Glass reinforcing method and reinforced glass | |
| CN113087403B (en) | Forming process for glass substrate with fingerprint resistance and scratch resistance and wear resistance | |
| CN114455858B (en) | Glass strengthening method, glass substrate and etching material for glass | |
| KR102031439B1 (en) | Polishing composition, polishing method of fe-ni alloy foil using the same, and fe-ni alloy foil | |
| CN113461339A (en) | Liquid medicine capable of improving edge strength of ultrathin glass and preparation method and application thereof | |
| JPS62191449A (en) | Chemically strengthened float glass | |
| JPS62100458A (en) | Method for chemically strengthening float glass | |
| CN116102258A (en) | Flexible glass with high elastic modulus | |
| US20220135473A1 (en) | Flexible cover window and method of manufacturing same | |
| CN114643027A (en) | Composite graphene microcapsule and preparation method and application thereof | |
| CN116217074A (en) | Low-warpage high-strength flexible glass and surface treatment method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20220526 Address after: 241000 No.38, Fengming Hubei Road, Longshan street, Wuhu District, China (Anhui) pilot Free Trade Zone, Wuhu City, Anhui Province Applicant after: Wuhu Dongxin Photoelectric Technology Co.,Ltd. Address before: 241009 No.6, Qijing 2nd Road, Wuhu Economic and Technological Development Zone, Anhui Province Applicant before: WUHU TOKEN SCIENCES Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211008 |