CN108623140A - A kind of fused salt and its steel process for ultra-thin soda-lime glass chemical tempering - Google Patents
A kind of fused salt and its steel process for ultra-thin soda-lime glass chemical tempering Download PDFInfo
- Publication number
- CN108623140A CN108623140A CN201810546688.1A CN201810546688A CN108623140A CN 108623140 A CN108623140 A CN 108623140A CN 201810546688 A CN201810546688 A CN 201810546688A CN 108623140 A CN108623140 A CN 108623140A
- Authority
- CN
- China
- Prior art keywords
- glass
- fused salt
- ultra
- salt
- lime 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.)
- Withdrawn
Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 57
- 239000000126 substance Substances 0.000 title claims abstract description 31
- 238000005496 tempering Methods 0.000 title claims abstract description 28
- 239000005361 soda-lime glass Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008569 process Effects 0.000 title claims description 12
- 229910000831 Steel Inorganic materials 0.000 title description 5
- 239000010959 steel Substances 0.000 title description 5
- 239000011521 glass Substances 0.000 claims abstract description 85
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 5
- 239000012752 auxiliary agent Substances 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000002708 enhancing effect Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000011833 salt mixture Substances 0.000 claims description 4
- 238000009472 formulation Methods 0.000 claims description 3
- 238000010583 slow cooling Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims description 2
- 238000009832 plasma treatment Methods 0.000 claims 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 abstract description 7
- 230000003014 reinforcing effect Effects 0.000 abstract description 5
- 229910000027 potassium carbonate Inorganic materials 0.000 abstract description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 4
- NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Inorganic materials [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 150000002500 ions Chemical class 0.000 description 12
- 230000000694 effects Effects 0.000 description 10
- 238000005342 ion exchange Methods 0.000 description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 229910001415 sodium ion Inorganic materials 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 229910001417 caesium ion Inorganic materials 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 235000010333 potassium nitrate Nutrition 0.000 description 3
- 239000004323 potassium nitrate Substances 0.000 description 3
- 125000002619 bicyclic group Chemical group 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000005355 lead glass Substances 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000005543 nano-size silicon particle Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000004846 x-ray emission Methods 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
- C03B27/02—Tempering or quenching glass products using liquid
- C03B27/03—Tempering or quenching glass products using liquid the liquid being a molten metal or a molten salt
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
The present invention provides a kind of fused salt for ultra-thin soda-lime glass chemical tempering, which includes main salt KNO3With the auxiliary salt Al of certain proportion mixing2O3、K2CO3, KOH and CsNO3.The present invention also provides a kind of techniques carrying out chemical tempering to ultra-thin soda-lime glass using above-mentioned fused salt, by using processing steps such as plasma cleaning glass surfaces, and the technological parameters such as controlling reaction temperature, time, realizing enhances the chemical tempering of ultra-thin soda-lime glass.The present invention can effectively improve the mechanical strength of ultra-thin soda-lime glass, take into account bearing stress and stress layer depth simultaneously, can obtain between 620MPa~680MPa surface stress value simultaneously, so that stress layer depth is stablized between 15 μm~16 μm, the ultra-thin soda-lime glass after reinforcing is made to disclosure satisfy that the intensity requirement of vehicle glass.
Description
Technical field：
The present invention relates to glass chemistry toughening technical fields more particularly to a kind of for ultra-thin soda-lime glass chemical tempering
Fused salt and its steel process.
Background technology：
With the economic needs of global low-carbon, automobile is also begun to towards energy-saving and emission-reduction and development in terms of improving comfort, newly
Energy automobile becomes " the development common recognition " of whole world auto industry, and zero-emission no pollution becomes the important topic of automobile industry,
Vehicle glass is also contributed in terms of energy-saving and emission-reduction, and light-weighted vehicle glass can be vehicle loss of weight, reduce daily consumption
Energy.Therefore exploitation is mating with new-energy automobile, and have has lighter and more preferable optical effect ultra-thin vapour than general-utility car glass
Vehicle glass becomes one of the hot subject in world research field.
Due to also reducing the mechanical strength of vehicle glass while vehicle glass ultrathin, especially existed using thickness
1.1mm Ultrathin automobile glass below, which must carry out intensive treatment, could meet the intensity requirement applied on automobile.Glass is strong
Change processing method and be broadly divided into physical toughened and chemical tempering, for thickness in 1.1mm Ultrathin automobile glass below, physics steel
Change difficulty is big, effect is poor, and is easy that glass warp is made to deform, and can only promote Ultrathin automobile glass using chemical tempering technology
Mechanical strength.The basic principle of chemical tempering is：It is that glass is immersed into KNO3Etc fused salt in, with K+Ion replaces glass
Na in glass+Ion, due to K+Ionic radius is more than Na+Ionic radius, thus generate one layer of (about 10-50 μm left side in glass surface
It is right) compressive stress layers.Surface compression stress caused by chemical tempering is the same original in space occupied by injection exchange ion
Come caused by ion difference, therefore the exchange velocity of ion directly affects tempering effect.Glass immerses the ion exchange in fused salt
Reaction can be handled by ion diffusion problem, and exchange velocity is formed with ionic species, glass chemistry and the factors such as temperature are related.
Glass chemistry is formed, aluminium content is maximum to tempering influential effect in glass：Higher aluminium content is conducive to carry
The performance indicators such as bearing stress (CS), compressive stress layer depth (DOL) and the bending strength of high chemically toughened glass.However it makes
The sheet glass for making vehicle glass is substantially common float glass process soda-lime glass, and soda-lime glass has a variety of outstanding under the conditions of extensively
Property, including：Such as with preferable transparency and clarity, higher durability, angularity is good etc..But the aluminium of soda-lime glass
Content is low, and chemical tempering difficulty is larger, and the performance indicators such as bearing stress, compressive stress layer depth and bending strength promote degree
Difference.
For the problem of above-mentioned soda-lime glass chemical tempering effect difference, the Chinese invention of Patent No. CN104556649A is special
Profit discloses a kind of fused salt formula and its steel process for the low lead glass chemical tempering of low alkali, it is characterised in that it mainly at
Point include potassium nitrate, nano-aluminium oxide, nano silicon dioxide, potassium carbonate, wherein the addition of nano-aluminium oxide is
The 0~1.0% of potassium nitrate quality, the addition of potassium carbonate be potassium nitrate quality 0.2~3%, nano-aluminium oxide with receive
It is 0 when the addition difference of rice silica.Although using the above-mentioned fused salt matched and using the chemical toughening process energy of the fused salt
The bearing stress and stress layer depth of soda-lime glass are improved, and shortens the time needed for chemical tempering.But when surface is pressed
When stress value reaches 720MPa, stress layer depth just only has 7.3 μm, and when bearing stress value only has 450MPa, stressor layers
Depth has reached 21.5 μm, and the reinforcing for same sheet glass is the result is that bearing stress value is bigger, and stress layer depth is smaller, instead
It is as the same, bearing stress and stress layer depth can not be taken into account simultaneously, therefore the patented technology is to the reinforcing effect of soda-lime glass
The intensity requirement of vehicle glass can not still be reached.
Invention content：
The present invention to solve the above-mentioned problems, provides a kind of chemical toughening process and fused salt of ultra-thin soda-lime glass, profit
The mechanical strength of ultra-thin soda-lime glass can be effectively promoted with the present invention, while take into account bearing stress and stress layer depth, made
It disclosure satisfy that the intensity requirement of vehicle glass.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of fused salt for ultra-thin soda-lime glass chemical tempering, the Al of the ultra-thin soda-lime glass2O3Content is less than 0.3
~1.5%, thickness of glass is 0.5~1.1mm, and the fused salt includes main salt and auxiliary agent, which is characterized in that the main salt is
KNO3, 100 parts of weight are divided by main salt group in terms of, the auxiliary agent is grouped as by following group：
KOH can speed up exchange velocity, OH-Glass surface part silica network can be made to be broken, provided for ion exchange
Channel is conducive to Na+Diffusion；Simultaneously as OH-Polarity is big so that K+、CS+Plasma is easy to be adsorbed by glass surface, more
Conducive to K+And CS+It enters on the vacancy of Na+, completes ion exchange；Al2O3There is preferable absorption property to micro- insoluble matter, can disappear
Except the inhibition of impurity ion pair ion exchange, promote K and Na ion exchanges；
Ca in fused salt2+、Mg2+When reaching 0.01% or more of fused salt content, the surface stress of glass can be made to decline to a great extent,
K is added2CO3Fused salt Ionic Radius ratio Na can be precipitated+Smaller Ca2+、Mg2+Etc. minor radius foreign ion, to prevent smaller part
Diameter ion and Na+Inversely exchanged.It has just been avoided that since in this way and weakens glass surface squeezing action, reduce the shadow of stress decrease
It rings；Meanwhile K2CO3It can partial electrolyte generation OH in fused salt-, play the acceleration exchange interaction as KOH；
With Ca2+、Mg2+Etc. minor radius foreign ion the effect of glass surface stress can be made on the contrary, CsNO3In Cs+As
In addition to K+Big ionic radius source in addition, main purpose are for reinforcing glass surface squeezing action.In ion exchange
In the process, a small amount of Cs+Ion can be with K+Together glass surface, completion and Na are entered by ion exchange channels+Exchange；
Due to Cs+Ionic radius is significantly greater than K+And Na+, so as to achieve the effect that enhance squeezing action, further promote glass
Surface stress.
The present invention also provides a kind of techniques carrying out chemical tempering to ultra-thin soda-lime glass using fused salt, including following step
Suddenly：
(1) glass plate is cleaned with clear water, then glass plate is put into plasma cleaning equipment and cleans glass surface, it will be clear
Glass plate storage after clean is for use；
(2) KNO is taken3It is put into fused salt slot as main salt and is heated to molten condition；
(3) following formula formulation aids are pressed：
In terms of being divided into 100 parts of weight by main salt group, the auxiliary agent is grouped as by following group：
(4) prepared auxiliary agent is added to the KNO in the fused salt slot in step (2) with molten condition3After mixing
To molten salt mixture；
(5) glass obtained will be handled through step (1) carry out the pre-heat treatment；
(6) glass after step (5) the pre-heat treatment is immersed into the molten salt mixture of step (4) acquisition, and will melted
The temperature of salt bath is set as 410~500 DEG C, keeps the temperature 4~15 hours；
(7) glass that is handled through step (6) is taken out from fused salt slot, at room temperature after Slow cooling, you can obtain by
The glass of chemical tempering enhancing.
Wherein, the plasma cleaning equipment in the step (1) carries out glass pane surface with the rate of 3~10cm/s etc.
Ion processing, the specific time of processing is depending on glass size.Glass surface after plasma cleaning is not only cleaner, simultaneously
Glass surface activity is improved, K is enhanced+With glass surface suction-operated, in order to accelerate ion exchange.
Wherein, the fused salt obtained after mixing in the step (4) also needs standing 3~5 hours.Make the addition in fused salt
Agent and KNO3It can be uniformly mixed.
Wherein, before auxiliary agent being added in the fused salt slot of step (3) in the step (4), first the grain size of auxiliary agent is ground
It is milled to 1 μm~5 μm.The grain size of micro/nano level is remarkably improved the dispersibility of additive, accelerates the rate of ion exchange.
Wherein, specific the pre-heat treatment mode is in the step (5)：The glass plate that will be handled through step (1) with 10~
The rate of 20 DEG C/min is warming up to 310~360 DEG C of progress the pre-heat treatments, keeps the temperature 15 to 30 minutes.Reduce glass plate and is heated to
The temperature difference between the fused salt of tempering temperature bursts when glass plate being prevented to be put into because the temperature difference is too big.
The present invention has the advantages that due to taking above-mentioned technical proposal：
The present invention can effectively improve the mechanical strength of ultra-thin soda-lime glass, while take into account bearing stress and stress layer depth
Degree, can obtain between 620MPa~680MPa surface stress value simultaneously, make stress layer depth stablize at 15 μm~16 μm
Between, so that the ultra-thin soda-lime glass after reinforcing is disclosure satisfy that the intensity requirement of vehicle glass.Enterprise is contained with aluminium
Low common soda lime glass is measured to make the Ultrathin automobile glass product for meeting intensity requirement, is conducive to Ultrathin automobile glass product
Large-scale production and cost-effective.
Specific implementation mode：
It is described in detail below with one embodiment.
Using the chemical toughening process of above-mentioned fused salt, include the following steps：
(1) it is 100mm × 100mm × 0.8mm, Al to take a block size specification2O3The ultra-thin soda-lime glass that content is 0.5%
As exemplar glass, glass is first cleaned with clear water, the time that cleaning is then arranged on plasma cleaning equipment is 5s, then will
Glass is put into the rate in plasma cleaning equipment with 3cm/s and carries out plasma cleaning to glass surface, by what is obtained after cleaning
The glass storage of clean surface is for use.
(2) suitable KNO is first taken3It is put into fused salt slot as main salt and is heated to molten condition.
(3) following formula formulation aids are pressed：
With main salt KNO3Group is divided into 100 parts of weight meters, and the auxiliary agent is grouped as by following group：
In the specific implementation, auxiliary agent is stocked up by embodiment listed in table 1, and the unit of listed each component is weight in table 1
Than (with main salt KNO3Weight ratio).
Table 1
(4) each component of component in table 1 is hybridly prepared into auxiliary agent, is ground the grain size of auxiliary agent with ball mill after mixing
The KNO in the fused salt slot in step (3) with molten condition is added to 10 μm, then by the auxiliary agent after grinding3It is mixed to be mixed to form fused salt
Close object, mixing is and to install blowning installation in fused salt trench bottom not in such a way that usual stirring rod is stirred, using blowing
The mode of gas mixes main salt and auxiliary agent, static 3 hours after mixing.
(5) will be arranged with the rate liter of 10 DEG C/min in step (1) treated glass is placed on Muffle furnace heating furnace
Temperature keeps the temperature 15 minutes to 360 DEG C of progress the pre-heat treatments.
(6) glass after step (5) the pre-heat treatment is immersed into the molten salt mixture of step (4) acquisition, and will melted
The temperature of salt bath is set as 450 DEG C, keeps the temperature 5 hours.
(7) glass that is handled through step (6) is taken out from fused salt slot, at room temperature after Slow cooling, you can obtain by
The ultra-thin soda-lime glass of chemical tempering enhancing.
(8) bearing stress and compressive stress layer depth of glass are measured using FSM-6000LE types tester.Table 1
In each embodiment experimental result such as the following table 2：
Table 2
From 2 data of upper table it is found that in range various auxiliary agents proportioning can make glass surface stress value improve to
While 620MPa~680MPa, stress layer depth is made to stablize between 15 μm~16 μm.Wherein CsNO3Serve not only as auxiliary agent at
Point, or one of alternative ion exchange source, stress variation caused by dosage is maximum.
(9) it from a kind of combination randomly selected in table 1 in auxiliary agent proportional region, is carried out under the conditions of different technical parameters
Chemical tempering processing, variation and the difference of the main mechanical properties of the glass before and after auxiliary agent is added in comparison, to obtain the knot of table 3
(the resistance to compression force value of glass carries out bicyclic counter-bending test to glass using universal testing machine and obtains fruit, surface K+Concentration is used
X-ray fluorescence spectrometry instrument tests to obtain).
Table 3
It can be seen that before the chemical tempering effect after auxiliary agent is added relatively is not added with and significantly increase from the data in table 3.
Compare especially for related mechanical experimental results, the incrementss of stress value are all higher than 100MPa, answering after addition auxiliary agent
Force value can reach 650MPa or more；By it is bicyclic it is counter-bending test resistance to compression force value it was found that, be added auxiliary agent after, chemical tempering
The resistance to compression force value (flexural strength) of glass is obviously improved, about twice of general chemistry tempered glass.In addition, from glass surface
K+After concentration distribution can be seen that addition auxiliary agent, glass surface K+Concentration is apparently higher than un-added situation, actually ion
The increased performance of exchange capacity, glass surface K+With Na+Exchange capacity increase, cause the squeezing action of glass surface to enhance, therefore,
Glass surface K+The increase of concentration can also reflect the enhancing of glass surface ion squeezing action effect, can be proved from another angle
The addition of auxiliary agent makes chemical tempering effect enhance.
It is of the invention the above content is a further detailed description of the present invention in conjunction with specific preferred embodiments
Specific implementation mode is not limited merely to these explanations.For those skilled in the art, do not taking off
Under the premise of from present inventive concept, several simple deduction or replace can also be made, all shall be regarded as belonging to the guarantor of the present invention
Protect range.
Claims (6)
1. a kind of fused salt for ultra-thin soda-lime glass chemical tempering, the Al of the ultra-thin soda-lime glass2O3Content is less than 0.3%-
1.5%, thickness of glass is 0.5~1.1mm, and the fused salt includes main salt and auxiliary agent, which is characterized in that the main salt is KNO3,
In terms of being divided into 100 parts of weight by main salt group, the auxiliary agent is grouped as by following group：
2. a kind of technique carrying out chemical tempering to ultra-thin soda-lime glass using fused salt, which is characterized in that include the following steps：
(1) glass is cleaned with clear water, then glass is put into plasma cleaning equipment and cleans glass surface, by the glass after cleaning
Glass storage is for use；
(2) KNO is taken3It is put into fused salt slot as main salt and is heated to molten condition；
(3) following formula formulation aids are pressed：
In terms of being divided into 100 parts of weight by main salt group, the auxiliary agent is grouped as by following group：
(4) prepared auxiliary agent is added to the KNO in the fused salt slot in step (2) with molten condition3Fused salt is obtained after mixing
Mixture；
(5) glass obtained will be handled through step (1) carry out the pre-heat treatment；
(6) glass after step (5) the pre-heat treatment is immersed into the molten salt mixture of step (4) acquisition, and by fused salt slot
Temperature be set as 410~500 DEG C, keep the temperature 4~15 hours；
(7) glass handled through step (6) is taken out from fused salt slot, at room temperature after Slow cooling, you can obtain by chemistry
The glass of tempering enhancing.
3. chemical toughening process according to claim 2, which is characterized in that the plasma cleaning in the step (1) is set
The standby rate with 3~10cm/s carries out plasma treatment to glass pane surface, and the time of processing is 10~30s.
4. chemical toughening process according to claim 2, which is characterized in that obtained after mixing in the step (4)
Fused salt also need standing 3~5 hours.
5. chemical toughening process according to claim 2, which is characterized in that auxiliary agent is added to step in the step (4)
Suddenly in the fused salt slot of (3) before, the grain size of auxiliary agent is first ground to 1 μm~5 μm.
6. chemical toughening process according to claim 2, which is characterized in that specific the pre-heat treatment in the step (5)
Mode is：Glass is warming up to 310~360 DEG C of progress the pre-heat treatments with the rate of 10~20 DEG C/min, keeps the temperature 15 to 30 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546688.1A CN108623140A (en) | 2018-05-31 | 2018-05-31 | A kind of fused salt and its steel process for ultra-thin soda-lime glass chemical tempering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810546688.1A CN108623140A (en) | 2018-05-31 | 2018-05-31 | A kind of fused salt and its steel process for ultra-thin soda-lime glass chemical tempering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108623140A true CN108623140A (en) | 2018-10-09 |
Family
ID=63690768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810546688.1A Withdrawn CN108623140A (en) | 2018-05-31 | 2018-05-31 | A kind of fused salt and its steel process for ultra-thin soda-lime glass chemical tempering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108623140A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110963715A (en) * | 2019-12-27 | 2020-04-07 | 深圳市惠乐光电有限公司 | Chemical strengthening method for flexible ultrathin glass cover plate |
| CN112062480A (en) * | 2020-09-11 | 2020-12-11 | 河南卓金光电科技股份有限公司 | Surface strengthening treatment method for ultrathin large-plate-surface glass |
| CN112745016A (en) * | 2020-12-24 | 2021-05-04 | 安徽立光电子材料股份有限公司 | Pretreatment method before film coating of 0.10mm glass |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557482A (en) * | 2011-12-13 | 2012-07-11 | 安徽世林照明股份有限公司 | Method for improving intensity of glass devices for light-emitting diode (LED) lamp |
| CN105271661A (en) * | 2014-06-30 | 2016-01-27 | 正达国际光电股份有限公司 | Glass member strengthening treatment method |
| CN105502957A (en) * | 2015-12-30 | 2016-04-20 | 东旭科技集团有限公司 | Chemical enhancement method of cover plate glass, glass prepared by method and application thereof |
-
2018
- 2018-05-31 CN CN201810546688.1A patent/CN108623140A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102557482A (en) * | 2011-12-13 | 2012-07-11 | 安徽世林照明股份有限公司 | Method for improving intensity of glass devices for light-emitting diode (LED) lamp |
| CN105271661A (en) * | 2014-06-30 | 2016-01-27 | 正达国际光电股份有限公司 | Glass member strengthening treatment method |
| CN105502957A (en) * | 2015-12-30 | 2016-04-20 | 东旭科技集团有限公司 | Chemical enhancement method of cover plate glass, glass prepared by method and application thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110963715A (en) * | 2019-12-27 | 2020-04-07 | 深圳市惠乐光电有限公司 | Chemical strengthening method for flexible ultrathin glass cover plate |
| CN112062480A (en) * | 2020-09-11 | 2020-12-11 | 河南卓金光电科技股份有限公司 | Surface strengthening treatment method for ultrathin large-plate-surface glass |
| CN112745016A (en) * | 2020-12-24 | 2021-05-04 | 安徽立光电子材料股份有限公司 | Pretreatment method before film coating of 0.10mm glass |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN116177877B (en) | Glass-ceramics, glass-ceramics products and methods for producing the same | |
| CN101328026B (en) | Molten salt for chemical tempering of glass and chemical tempering method using the molten salt | |
| CN110204195B (en) | Ultrathin glass and preparation method thereof | |
| CN101219854B (en) | Process for manufacturing single-slice fireproof glass and the single-slice fireproof glass | |
| US9796621B2 (en) | Strengthened glass and methods for making using heat treatment | |
| EP3263534A1 (en) | Chemically temperable glass sheet | |
| CN105819684B (en) | A kind of glass composition, aluminium borosilicate glass and its preparation method and application | |
| CN110799467A (en) | Chemically strengthened glass, method for producing the same, and glass for chemically strengthened | |
| CN104556648B (en) | The intensifying method of alumina silicate glass | |
| US20170174566A1 (en) | Method for making strengthened glass having reduced induced curvature using differential chemistry | |
| CN112479587B (en) | Alkali-aluminosilicate glass composition, strengthened glass, preparation method and application | |
| KR20160138016A (en) | Chemically temperable glass sheet | |
| CN112811820A (en) | Microcrystalline glass | |
| CN108623140A (en) | A kind of fused salt and its steel process for ultra-thin soda-lime glass chemical tempering | |
| CN107108331A (en) | Glass and chemically reinforced glass | |
| CN110577355A (en) | Method for strengthening nanocrystalline glass ceramic | |
| CN110981220A (en) | Chemical toughening method for glass | |
| CN115159841A (en) | Lithium aluminosilicate glass composition, strengthened glass and preparation method thereof | |
| CN116409928A (en) | Ion absorbing glass product, preparation method and ion strengthening process of lithium-containing microcrystalline glass | |
| CN109336380A (en) | A kind of ultra-clear glasses and its production method and special equipment | |
| CN103739189B (en) | A kind of preparation method of chemically toughened glass | |
| CN114920454A (en) | Method for preparing lithium aluminum silicon glass and treating micro-defects on glass surface after strengthening of lithium aluminum silicon glass | |
| JP2019006650A (en) | Method for producing chemically strengthened glass and chemically strengthened glass | |
| CN108821574A (en) | A kind of devitrified glass preparation method applied to 5G communication mobile terminal | |
| CN100556839C (en) | Composition and method for strengthening glass |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181009 |
|
| WW01 | Invention patent application withdrawn after publication |