CN108863091A - A kind of preparation method of glare proof glass - Google Patents
A kind of preparation method of glare proof glass Download PDFInfo
- Publication number
- CN108863091A CN108863091A CN201810808765.6A CN201810808765A CN108863091A CN 108863091 A CN108863091 A CN 108863091A CN 201810808765 A CN201810808765 A CN 201810808765A CN 108863091 A CN108863091 A CN 108863091A
- Authority
- CN
- China
- Prior art keywords
- glass
- fused salt
- glare proof
- preparation
- proof glass
- 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.)
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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
- 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
- C03C21/001—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions
- C03C21/002—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface in liquid phase, e.g. molten salts, solutions to perform ion-exchange between alkali ions
Abstract
The invention discloses a kind of preparation methods of glare proof glass.Glass is put into containing OH‑、CO3 2‑And Cl‑It is reacted in the potassium nitrate fused salt of ion；Reaction temperature T is lower than the transition temperature T of glassg, and Tg-T≥70℃；Reaction time is in 25-45min；NO in reaction system3 ‑、OH‑、CO3 2‑、Cl‑Molar ratio be 100：(35~60)：(3.5~7.5)：(3.5~7.5).The present invention provides a kind of methods for being suitble to prepare glare proof glass and fused salt to form, and using the method for chemical strengthening, immerses in fused salt glass react under the high temperature conditions, pass through OH‑、CO3 2‑、Cl‑Effect, glass surface can be made to generate etch pit to obtaining anti-dazzle light effect, pass through KNO3Chemical strengthening effect large radius ion can be introduced to glass surface to making glass strengthening.
Description
Technical field
The invention belongs to field of material technology, and in particular to a kind of preparation method of glare proof glass.
Background technique
Dazzle is a kind of undesirable illumination phenomenon, for example, see the mobile phone under strong light screen when, can due to light reflection and
It can not see handset content.The influence for wanting reduction reflected light needs to carry out specially treated to glass surface, keeps glass original
Mirror-reflection become diffusing reflection, this glass is called glare proof glass or AG glass.Glare proof glass can significantly improve
The visible angle of picture reduces screen reflecting, allows image is apparent, color is more saturated, in mobile phone, tablet computer and notebook electricity
There are more and more applications in the electronic products such as brain.
Currently, preparing glare proof glass mainly using coating method and chemical method for etching.Patent application CN103979800
A discloses a kind of method using spraying plating film preparation glare proof glass, but raw material used in plated film includes organic solvent,
There is certain harm to human health；In addition, the anti-friction performance of antireflective film is bad, film layer probably takes off in external force
It falls.Patent application CN105906218 A equally discloses a kind of preparation process of coating method, but magnetic control has been arrived in use in preparing
Sputtering method, preparation process are complicated, to the more demanding of environment and equipment, so production cost is higher.Patent application
CN105366961 A discloses a kind of method for preparing glare proof glass using chemical etching, but the etching solution used is main
Based on hydrofluoric acid and sulfuric acid with strong corrosive, it is unfavorable for the health of operator, discarded corrosive liquid is to nature
Environment also has great harm.
Chemical strengthening is also known as ion exchange, is one of the effective ways for improving strength of glass.Low form ion exchange is
Refer at a temperature of being lower than strain point of glass, makes in fused salt the lesser ion of radius in the biggish ion exchange glass of radius, thus
Compression is generated in glass surface, the method for improving glass mechanical property.Under normal conditions, the fused salt that chemical strengthening uses with
KNO3Based on, but in order to improve velocity of ion exchange, often by KOH, K2CO3It is added with KCl as catalyst with certain proportion
To KNO3In.KOH can destroy the silica network structure of glass, and the ion in glass is made to be easier to accelerate ion to external diffusion
Exchange rate.Liu Shen Long et al. has studied glass and carries out the performance after chemical strengthening, hair in the fused salt of addition different proportion KOH
Now when the content of KOH be lower than 0.5mol% when, the bearing stress of glass in pure potassium nitrate hardening constituent ratio improve about
300MPa；When the content of KOH is higher than 0.5mol%, the transmitance of glass will be substantially reduced, and seriously affect the light of glass
Learn performance (KOH to glass ion exchange humidification the whole nation research glass science technology nd Annual Meeting monograph, 2015).
K2CO3It can be with such as Ca of the foreign ion in fused salt2+And Mg2+Low solubility compounds are formed, achievees the effect that fused salt cleans, mentions
High strengthening efficiency.It attempts for glass to be put into containing K in river Li Xi et al.2CO3Fused salt in strengthened, discovery work as K2CO3Content
When for 9wt%, there is maximum in the surface Vickers hardness of glass, and facilitation effect is unobvious when concentration is low, and when excessive concentration
It can etching glass surface (influence research silicate notification of the alkaline assistant to glass chemistry toughening performance, 2015,34 (8):
2414-2418).KCl can also promote the progress of ion exchange, Cl-Polarity it is very strong, be easy to be adsorbed on glass surface and glass
In sodium ion it is affine, improve velocity of ion exchange.Patent CN106986556 A discloses a kind of chemical strengthening fused salt and molten
Salt formula composition range, and emphasize to generate corrosion if KCl content is more than prescribed limit to glass surface, lead to table
Face pressure stress reduces.In view of the foregoing it is apparent that in chemical strengthening, KOH, K2CO3It must control with the additive amount of KCl one
Determine in range, if too high levels will generate corrosion to glass surface, and then influences strengthening effect.Therefore, it can use
This characteristic of fused salt is stated, molten salt membrane is adjusted, prepares glare proof glass using the mode of chemical strengthening.
Summary of the invention
It is an object of that present invention to provide a kind of mist degree and the good glare proof glass preparation method of transmitance, while its bending resistance
Intensity also has to be increased to a certain degree, is avoided using the raw material for endangering environmental and human health impacts, and operating procedure is simple, production cost compared with
It is low.
In order to achieve the above objectives, as follows using technical solution：
A kind of preparation method of glare proof glass, includes the following steps：
Glass is put into containing OH-And CO3 2-It is reacted in the potassium nitrate fused salt of ion；Reaction temperature T is lower than the transformation of glass
Temperature Tg, and Tg-T≥70℃；Reaction time is in 25-45min；NO in reaction system3 -、OH-、CO3 2-Molar ratio be 100：(35
~60)：(3.5~7.5).
A kind of preparation method of glare proof glass, includes the following steps：
Glass is put into containing OH-And Cl-It is reacted in the potassium nitrate fused salt of ion；Reaction temperature T is lower than the transformation temperature of glass
Spend Tg, and Tg-T≥70℃；Reaction time is in 25-45min；NO in reaction system3 -、OH-、Cl-Molar ratio be 100：(35~
60)：(3.5~7.5).
A kind of preparation method of glare proof glass, includes the following steps：
Glass is put into containing OH-、CO3 2-And Cl-It is reacted in the potassium nitrate fused salt of ion；Reaction temperature T is lower than glass
Transition temperature Tg, and Tg-T≥70℃；Reaction time is in 25-45min；NO in reaction system3 -、OH-、CO3 2-、Cl-Molar ratio
It is 100：(35~60)：(3.5~7.5)：(3.5~7.5).
According to the above scheme, the glass is plate glass, and thickness is not less than 0.1mm.
According to the above scheme, OH-Incorporation way include but is not limited to KOH, NaOH or Al (OH) is added3Form.
According to the above scheme, CO3 2-Incorporation way include but is not limited to K is added2CO3Or Na2CO3Form.
According to the above scheme, the adding manner of Cl- includes but is not limited in the form of KCl or NaCl is added.
According to the above scheme, preferred reaction temperature is 360 DEG C~400 DEG C, reaction time 30min.
OH-, Cl- easily corrode glass surface in the present invention, CO3 2-Easily and Ca2+Etc. reaction products generate precipitating, promote
Into the progress of corrosion；Glass surface will appear rough etch pit after reaction, the diffusing reflection of glass when there is light irradiation
Phenomenon enhancing, to achieve the purpose that anti-dazzle.But as OH in potassium nitrate fused salt-、CO3 2-、Cl-Content be higher than the present invention
When range, the corrosive effect to glass can be aggravated, obtained glass transmitance reduces, and mist degree increases；Work as OH-、CO3 2-、Cl-Contain
When amount is lower than the scope of the invention, fused salt is not thorough the corrosion of glass, and etch pit form size distribution is uneven, can equally make glass
Mist degree increase.Therefore, in order to obtain with the glare proof glass of good mist degree and transmitance, OH-、CO3 2-、Cl-And NO3 -It needs
Meet proportion relation of the invention.
When reaction temperature is excessively high or the reaction time is too long, the corrosion rate of fused salt and glass can be accelerated, obtained glass
Glass mist degree increases；When reaction temperature is too low or the reaction time is too short, fused salt reacts not fully with glass, and diffusing reflection is existing
As serious, lead to that glass transmitance reduces and mist degree increases.Therefore, mist degree and transmitance are good anti-in order to obtain in preparation
Glaring glass needs to be reacted in certain temperature range and time range.
The beneficial effects of the present invention are：
A kind of method for being suitble to prepare glare proof glass and fused salt composition are provided, using the method for chemical strengthening, in height
Glass is immersed in fused salt under the conditions of temperature and is reacted, OH is passed through-、CO3 2-、Cl-Effect, can make glass surface generate corrosion
Hole passes through KNO to obtain anti-dazzle light effect3Chemical strengthening effect large radius ion can be introduced to glass surface to making
Glass strengthening.
Using the above-mentioned method for preparing glare proof glass, available mist degree and the good glare proof glass of transmitance, glass
The bending strength of glass also has to be increased to a certain degree, and can be significantly improved to the further chemical strengthening of obtained glare proof glass
Its bending strength.
Whole process operating procedure is simple, and production cost is low, is not used in preparation process and endangers environmental and human health impacts
Raw material has very big meaning to actual production.
Detailed description of the invention
Attached drawing 1：The surface topography map of glass is made in embodiment 1.
Specific embodiment
Following embodiment further illustrates technical solution of the present invention, but not as limiting the scope of the invention.
For convenient for illustrating effect of the invention, for relatively common commercial alkaline alumina silicate glass.
Embodiment 1
(1) sheet glass is cleaned and is dried, be put into preheating insulation in preheating furnace；
(2) by KOH, K2CO3And KNO3It is configured to fused salt mixt in proportion, fused salt composition is by mole for KOH：
K2CO3：KNO3=39：4.3：100；
(3) glass after preheating is put into fused salt, is reacted 30 minutes at 360 DEG C；
(4) the glass taking-up that reaction is completed is cooled to room temperature, is then cleaned and dried.
It the use of the glass mist degree that spectrophotometer is tested is 5.5%, transmitance 92.0% uses universal testing machine
Testing obtained glass bending strength is 196MPa, and the bending strength than sheet glass improves 70MPa.Illustrate to prepare by this
Method can not only make glass obtain anti-dazzle light effect, can also carry out a degree of enhancing to glass.Fig. 1 is using micro-
The glass surface shape appearance figure of mirror shooting, it can be seen that the etch pit size and form of glass surface is all more uniformly.
Embodiment 2
The present embodiment difference from example 1 is that：
Fused salt composition is by mole for KOH in step (2)：KCl：KNO3=39：4.3：100.
It the use of the glass mist degree that spectrophotometer is tested is 7.3%, transmitance 91.5%.
Embodiment 3
The present embodiment difference from example 1 is that：
Fused salt composition is by mole for KOH in step (2)：KCl：KNO3=39：4.3：100；
Glass is put into fused salt in step (3), is reacted 30 minutes at 380 DEG C.
It the use of the glass mist degree that spectrophotometer is tested is 3.3%, transmitance 91.5%.
Embodiment 4
The present embodiment difference from example 1 is that：
Fused salt composition is by mole for KOH in step (2)：K2CO3：KCl：KNO3=39：4.3：4.3：100.
It the use of the glass mist degree that spectrophotometer is tested is 8.1%, transmitance 90.5%.
Comparative example 1
It is roughly the same with embodiment 1, difference from example 1 is that：
Fused salt composition is by mole for KOH in step (2)：K2CO3：KNO3=80：5.8：100.
It the use of the glass mist degree that spectrophotometer is tested is 40.1%, transmitance 88.6%.
Comparative example 2
It is roughly the same with embodiment 1, difference from example 1 is that：
Fused salt composition is by mole for KOH in step (2)：K2CO3：KNO3=0.19：0.06：100.
It the use of the glass mist degree that spectrophotometer is tested is 30.0%, transmitance 90.3%.
Comparative example 3
It is roughly the same with embodiment 1, difference from example 1 is that：
Glass is put into fused salt in step (3), is reacted 15 minutes at 340 DEG C.
It the use of the glass mist degree that spectrophotometer is tested is 40.7% in this comparative example, transmitance 87.1%.
It is of the invention the above content is the further description for combining specific preferred embodiment to be the present invention
Specific embodiment is not limited to these explanations.For those skilled in the art, do not departing from
Under the premise of present inventive concept, several simple deduction or replace can also be made, all shall be regarded as belonging to protection of the invention
Range.
Claims (8)
1. a kind of preparation method of glare proof glass, it is characterised in that include the following steps：
Glass is put into containing OH-And CO3 2-It is reacted in the potassium nitrate fused salt of ion；Reaction temperature T is lower than the transition temperature of glass
Tg, and Tg-T≥70℃；Reaction time is in 25-45min；NO in reaction system3 -、OH-、CO3 2-Molar ratio be 100：(35~
60)：(3.5~7.5).
2. a kind of preparation method of glare proof glass, it is characterised in that include the following steps：
Glass is put into containing OH-It is reacted in the potassium nitrate fused salt of Cl- ion；Reaction temperature T is lower than the transition temperature of glass
Tg, and Tg-T≥70℃；Reaction time is in 25-45min；NO in reaction system3 -、OH-、Cl-Molar ratio be 100：(35~
60)：(3.5~7.5).
3. a kind of preparation method of glare proof glass, it is characterised in that include the following steps：
Glass is put into containing OH-, CO3 2-And Cl-It is reacted in the potassium nitrate fused salt of ion；Reaction temperature T is lower than the transformation of glass
Temperature Tg, and Tg-T≥70℃；Reaction time is in 25-45min；NO in reaction system3 -、OH-、CO3 2-、Cl-Molar ratio be
100：(35~60)：(3.5~7.5)：(3.5~7.5).
4. the preparation method of glare proof glass as described in right 1 or 2 or 3, it is characterised in that the glass is plate glass, thickness
Not less than 0.1mm.
5. the preparation method of glare proof glass as described in right 1 or 2 or 3, it is characterised in that the incorporation way of OH- includes but unlimited
In KOH, NaOH or Al (OH) is added3Form.
6. the preparation method of glare proof glass as described in right 1 or 3, it is characterised in that CO3 2-Incorporation way include but is not limited to
K is added2CO3Or Na2CO3Form.
7. the preparation method of glare proof glass as described in right 2 or 3, it is characterised in that Cl-Adding manner include but is not limited to
The form of KCl or NaCl is added.
8. the preparation method of glare proof glass as described in right 1 or 2 or 3, it is characterised in that preferred reaction temperature is 360 DEG C~
400 DEG C, reaction time 30min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810808765.6A CN108863091B (en) | 2018-07-20 | 2018-07-20 | Preparation method of anti-glare glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810808765.6A CN108863091B (en) | 2018-07-20 | 2018-07-20 | Preparation method of anti-glare glass |
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| CN108863091A true CN108863091A (en) | 2018-11-23 |
| CN108863091B CN108863091B (en) | 2021-04-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117624A (en) * | 2020-01-14 | 2020-05-08 | 维达力实业（赤壁）有限公司 | Glass frosting liquid and preparation method and application thereof |
| CN112548253A (en) * | 2020-11-30 | 2021-03-26 | 哈尔滨工业大学 | Method for brazing fiber reinforced composite material and metal in selective hot corrosion auxiliary mode |
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| JPS54118417A (en) * | 1978-03-08 | 1979-09-13 | Ishizuka Glass | Production of frosted* tempered glass articles |
| SU1797602A3 (en) * | 1990-11-26 | 1993-02-23 | Cыthиk Pиmma Дmиtpиebha;Щepидиha Eлeha Ahatoльebha;Tиxomиpoba Heohилa Ebгehьebha;Coбoлeb Ebгehий Bacильebич;Kиуилa Иbah Гeopгиebич;Пpeждo Bиktop Bacильebич | Composition for dulling glass |
| CN102785434A (en) * | 2012-09-10 | 2012-11-21 | 刘立强 | Antireflection glass and method for preparing antireflection glass by secondary alkaline corrosion |
| CN102786228A (en) * | 2012-09-10 | 2012-11-21 | 山东建筑大学 | Method for preparing antireflection glass with alkaline corrosion method |
| CN104118996A (en) * | 2014-07-11 | 2014-10-29 | 中国南玻集团股份有限公司 | Preparing method of anti-dazzle glass |
| CN106986556A (en) * | 2017-04-28 | 2017-07-28 | 武汉理工大学 | A kind of middle aluminium and high alumina silicate glass are chemical enhanced to carry out the enhanced method of chemical tempering with fused salt and using it |
| CN107074629A (en) * | 2014-09-08 | 2017-08-18 | 康宁股份有限公司 | Anti-dazzle base material with low flash of light, DOI and transmittance haze |
| CN107827367A (en) * | 2017-11-23 | 2018-03-23 | 海南中航特玻科技有限公司 | A kind of preparation method with anti-dazzle anti-reflection function plate glass |
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2018
- 2018-07-20 CN CN201810808765.6A patent/CN108863091B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54118417A (en) * | 1978-03-08 | 1979-09-13 | Ishizuka Glass | Production of frosted* tempered glass articles |
| SU1797602A3 (en) * | 1990-11-26 | 1993-02-23 | Cыthиk Pиmma Дmиtpиebha;Щepидиha Eлeha Ahatoльebha;Tиxomиpoba Heohилa Ebгehьebha;Coбoлeb Ebгehий Bacильebич;Kиуилa Иbah Гeopгиebич;Пpeждo Bиktop Bacильebич | Composition for dulling glass |
| CN102785434A (en) * | 2012-09-10 | 2012-11-21 | 刘立强 | Antireflection glass and method for preparing antireflection glass by secondary alkaline corrosion |
| CN102786228A (en) * | 2012-09-10 | 2012-11-21 | 山东建筑大学 | Method for preparing antireflection glass with alkaline corrosion method |
| CN104118996A (en) * | 2014-07-11 | 2014-10-29 | 中国南玻集团股份有限公司 | Preparing method of anti-dazzle glass |
| CN107074629A (en) * | 2014-09-08 | 2017-08-18 | 康宁股份有限公司 | Anti-dazzle base material with low flash of light, DOI and transmittance haze |
| CN106986556A (en) * | 2017-04-28 | 2017-07-28 | 武汉理工大学 | A kind of middle aluminium and high alumina silicate glass are chemical enhanced to carry out the enhanced method of chemical tempering with fused salt and using it |
| CN107827367A (en) * | 2017-11-23 | 2018-03-23 | 海南中航特玻科技有限公司 | A kind of preparation method with anti-dazzle anti-reflection function plate glass |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117624A (en) * | 2020-01-14 | 2020-05-08 | 维达力实业（赤壁）有限公司 | Glass frosting liquid and preparation method and application thereof |
| CN112548253A (en) * | 2020-11-30 | 2021-03-26 | 哈尔滨工业大学 | Method for brazing fiber reinforced composite material and metal in selective hot corrosion auxiliary mode |
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| CN108863091B (en) | 2021-04-20 |
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