CN106010327A - Touch screen tempered glass film and preparation method thereof - Google Patents
Touch screen tempered glass film and preparation method thereof Download PDFInfo
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- CN106010327A CN106010327A CN201610290154.8A CN201610290154A CN106010327A CN 106010327 A CN106010327 A CN 106010327A CN 201610290154 A CN201610290154 A CN 201610290154A CN 106010327 A CN106010327 A CN 106010327A
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- 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
- C03C21/005—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 introduce in the glass such metals or metallic ions as Ag, Cu
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- 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
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0085—Drying; Dehydroxylation
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/14—Glass
- C09J2400/143—Glass in the substrate
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
A preparation method of a touch screen tempered glass film belongs to the technical field of tempered glass films of electronic products. The preparation method comprises the steps that a glass substrate and sticking glue are prepared, the lower surface of the glass substrate is stuck with the sticking glue to obtain the touch screen tempered glass film, and the preparation method further comprises the following steps that A, the prepared glass substrate is placed into a reactor filled with SOCl2 liquid after cleaned and dried, the reactor is stood for 3-5 h, the glass substrate is taken out and placed into a resistance furnace, the temperature of the glass substrate is raised to 450 DEG C to 550 DEG C with the furnace temperature, the temperature is kept for 1-3 h, and a pretreatment layer is formed on the surface of the glass substrate; B, the glass substrate treated by the step A is soaked in nitrate with the temperature of 330 DEG C to 550 DEG C, insulation treatment is performed for 2-10 h, and an ion exchange layer is obtained; C, the glass substrate treated by the step B and the sticking glue are combined so that the touch screen tempered glass film is obtained. The invention further discloses the touch screen tempered glass film prepared with the method, and the antibacterial effect of an antibacterial layer gathered on the surface of the tempered glass is better.
Description
Technical field
The invention belongs to the technical field of electronic product safety glass pad pasting, relate to Touch Screen tempering glass
Glass pad pasting and preparation method thereof, Touch Screen safety glass pad pasting prepared by this method is at safety glass
The ion exchange antibiotic layer that surface assembles, is different from the existing plated film individually combined on glass
Method antibiotic layer, antibacterial effect is more preferable, and do not have that combination brought comes off, separates and the invading of antibacterial
Enter.
Background technology
In recent years, the touch control device such as mobile phone, panel computer was throughout the every aspect of life, but day by day
The touch technology grown bring also make easily simultaneously people be in spread of germs risk it
In.It is proposed on Touch Screen, prepares antibiotic layer, reduce people and contact the harm of antibacterial.But
It is that the antibiotic layer of screen itself to be made to lose the use habit of touch control device pad pasting based on people original
Effect.Furthermore, owing to some touch control device is longer for service life, the Durability of antimicrobial effect of glass can not
Reach the requirement in corresponding service life, on Touch Screen, therefore do process antibacterial, antibacterial have little significance.
Ordinary glass pad pasting can protect equipment from the harm scratched, and reduces to greatest extent when dropping
The probability that screen is damaged.If able to make screen sticking film have antibacterial effect then can reduce screen system
Cause this increase, and user can be made just to obtain aseptic making in time without changing touch control device
Use environment.The utility model patent of Patent No. CN 204585984 U uses coating of titanium dioxide to increase
The anti-microbial property of safety glass film, but the antibacterial effect of titanium dioxide is far away from metallic salt, and be coated with
Layer method can cause the loss of transmitance.Therefore develop a kind of efficient antibacterial safety glass protecting film to become
For necessity.
The antibacterial effect of silver ion is widely known by the people, but the problem that the reduction of silver ion causes glass coloration is
Limit antibiotic glass and become the key technical problem of screen cover plate or protecting film.Patent No. CN
102939269 A use potassium salt and silver salt separately to do the mode that exchange processes, and reduce the coloring of glass,
The way of this infiltration capacity reducing silver can cause the shortening of antimicrobial lifetime, and can not fundamentally solve
Coloring problem.Patent No. WO2014/124348 A1 changes glass network structure by adding Al2O3
Method, thus reach to alleviate the coloring problem of silver.This way can cause the change of frit, no
It is applicable to all glass systems, is particularly unsuitable for the production of soda-lime-silica glass.And the two patent
Middle glass substrate is mainly based on high lead glass, due to the complexity of high alumina glass production, cost
Higher, it is not the most economical selection of tempering pad pasting.
In sum, lack a kind of efficient antibacterial toughened glass screen protecting film at present, also there is no one
Plant and be applicable to solve the method that soda-lime-silica glass produces coloring problem in Ag ion exchange process.
Summary of the invention
The present invention solves in prior art for sodium calcium silicon ultra-white float glass pad pasting coloring problem,
Cannot preferably realize antibacterial, antibacterial effect, it is provided that a kind of Touch Screen safety glass pad pasting
Preparation method, and utilize Touch Screen safety glass pad pasting prepared by this preparation method.
The present invention the technical scheme is that for realizing its purpose
The preparation method of Touch Screen safety glass pad pasting, including glass substrate and the preparation of glue,
Then the lower surface of glass substrate is pasted with glue and obtain Touch Screen safety glass pad pasting, also wrap
Include following steps:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 3-5h, then take out, be placed in resistance furnace, be warming up to 450 DEG C with stove
-550 DEG C, it is incubated 1-3h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: the glass substrate through processing of step A is immersed 330 DEG C-450 DEG C
Nitrate in, isothermal holding 2-10h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: by the glass substrate that processes through step B with
Glue combines and i.e. obtains Touch Screen safety glass pad pasting.
The preparation of the nitrate of 330 DEG C-450 DEG C, including, silver nitrate is dried with potassium nitrate, mixes all
Even, obtain mixed nitrate, be heated in being subsequently placed in the atmosphere furnace of full drying nitrogen or air
330℃-450℃。
In described mixed nitrate, by weight percentage, containing silver nitrate 0.1%-10%, surplus is nitre
Acid potassium.
The preparation of glass substrate, prepares zero defect without the sodium calcium silicon ultra-white float glass gone mouldy.
Described glue is AB glue.
Touch Screen safety glass pad pasting, including glass substrate be arranged on the viscous of glass substrate lower surface
Rubberizing, the surface configuration of described glass substrate has one layer of pretreatment layer, pretreatment layer includes from
Sub-switching layer, the degree of depth of ion exchange layer, less than or equal to the degree of depth of pretreatment layer, exchanges through ion
The lower surface of the glass substrate after layer process is provided with glue.
Glass substrate be thickness be the sodium silico-calcium ultra-white float glass of 0.05mm-0.2mm.
The degree of depth of pretreatment layer is 20 μm-200 μm.
The glass structure of pretreatment layer does not contains hydroxyl.
Ion exchange layer is one layer comprises the antibiotic layer of silver ion and potassium ion, wherein silver ion and potassium from
Son does ion-exchange reactions with sodium ion in glass and forms surface compression stress, and silver ion rises antibacterial simultaneously
Effect.Compression stress size is 300MPa-900MPa, stressor layers total depth 20-100 μm, antibacterial
Effect meets Japan's JIS_Z_2801:2000 standard, silver ion layer depth 15 μm-90 μm.
The invention has the beneficial effects as follows:
1. integrated antibiotic layer on safety glass, replaces the antibacterial functions of touch control device panel, is reaching
During antimicrobial lifetime, only need to change screen sticking film and can be achieved with antibacterial without replacing screen or whole equipment
The continuity of function, reduces the unnecessary wasting of resources.
2. produce the technology barriers of coloring when breaking through soda-lime-silica glass Ag ion exchange, it is achieved economical, high
The production of the colourless sodium calcium silicon antibiotic glass produced.
3. use SOCl2Make surface layer of glass slough constitution water, block silver ion anti-with the oxidoreduction of hydroxyl
Should, it is not easy to when high temperature form colloid.Maximum processing temperature is up to 450 DEG C, and the raising of temperature makes place
The reason time shortens, and simplifies ion-exchange process.
The Touch Screen safety glass pad pasting of the present invention can solve the problem that the spread of germs problem of Touch Screen,
Visible light transmissivity is high, and preparation is simple, can realize steel in soda-lime-silica glass production technology
Change the production of film, compared with safety glass antibacterial with high alumina, be obtained in that higher economic benefit.The present invention
Touch Screen safety glass pad pasting have superpower scratch resistant, wear-resisting, explosion-proof, Water-proof and oil-proof is dirty, anti-
Bubble, bacteriological protection, anti-dazzle, the effect of radioprotective, have high sensitivity sense of touch, picture light transmittance
Reach more than 95%, the electron waves harm to human body can be prevented.
The present invention has used SOCl in the preparation of step A pretreatment layer2, SOCl2It is a kind of colourless
Or faint yellow fuming liquids, meet water and resolve into SO2And HCl, effect in the present invention is to remove glass
Hydroxyl in glass structure.Hydroxyl runs into silver ion generation redox reaction, makes silver ion reduction Cheng Dan
Matter silver, and then it is changed into colloidal state, elargol matter can make glass coloration.Therefore the hydroxyl knot in glass is eliminated
Structure can eliminate silver ion coloring phenomenon effectively.Glass is at SOCl2In time of repose should be limited to
3-5 hour, the time too short then pretreatment layer degree of depth was not enough, and overlong time may affect glass structure.
Ion-exchange reaction temperature, response time are each defined in 330 DEG C-450 DEG C and 2-10 hour,
Temperature is too low, the time too short then exchange degree of depth is not enough, and temperature is too high, fused salt can be made to decompose, time mistake
Long then have the silver ion degree of depth and exceed pretreatment layer and the harm that develops the color.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated.
Embodiment 1
First, take the sodium calcium silicon ultra-white float glass substrate of the zero defect 0.05mm thickness without going mouldy, cut
It is slit into certain size, is carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 3h, then take out, be placed in resistance furnace, be warming up to 450 DEG C with stove,
Insulation 1h, forms pretreatment layer at glass baseplate surface；During this, heat up and mainly have two effects,
At SOCl2Before boiling point, properly increase ambient temperature and can improve reactivity；At SOCl2Boiling point
The unreacted SOCl that later glass surface can be retained2Decompose completely, utilize the mode generation decomposed
For traditional water-washing process.Heat up with stove is to prevent from glass to be heated suddenly the defect such as to rupture.
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 0.1%, nitre
Acid potassium 99.9% ratio mix homogeneously, obtain mixed nitrate, be subsequently placed in full drying nitrogen or
It is heated to 330 DEG C in the atmosphere furnace of air, subsequently the glass substrate through processing of step A is immersed
In the mixed nitrate of 330 DEG C, isothermal holding 2h, obtain ion exchange layer；During this, nitrogen and
Air is protective gas, prevents steam and contacts with the glass substrate handled well.
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 2
First, zero defect is taken without the sodium calcium silicon ultra-white float glass substrate thick for 0.2mm gone mouldy, cutting
Become certain size, be carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 5h, then take out, be placed in resistance furnace, be warming up to 500 DEG C with stove,
Insulation 3h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 10%, nitric acid
The ratio mix homogeneously of potassium 90%, obtains mixed nitrate, is subsequently placed in full drying nitrogen or air
Atmosphere furnace in be heated to 450 DEG C, subsequently the glass substrate through processing of step A is immersed 450 DEG C
In mixed nitrate, isothermal holding 10h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 3
First, take the sodium calcium silicon ultra-white float glass substrate of the zero defect 0.15mm thickness without going mouldy, cut
It is slit into certain size, is carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 4h, then take out, be placed in resistance furnace, be warming up to 550 DEG C with stove,
Insulation 2h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 0.5%, nitre
Acid potassium 99.5% ratio mix homogeneously, obtain mixed nitrate, be subsequently placed in full drying nitrogen or
It is heated to 400 DEG C in the atmosphere furnace of air, subsequently the glass substrate through processing of step A is immersed
In the mixed nitrate of 400 DEG C, isothermal holding 6h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 4
First, zero defect is taken without the sodium calcium silicon ultra-white float glass substrate thick for 0.1mm gone mouldy, cutting
Become certain size, be carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 3.5h, then take out, be placed in resistance furnace, be warming up to 480 DEG C with stove,
Insulation 1.5h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 1%, nitric acid
The ratio mix homogeneously of potassium 99%, obtains mixed nitrate, is subsequently placed in full drying nitrogen or air
Atmosphere furnace in be heated to 380 DEG C, subsequently the glass substrate through processing of step A is immersed 380 DEG C
In mixed nitrate, isothermal holding 4h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 5
First, take the sodium calcium silicon ultra-white float glass substrate of the zero defect 0.08mm thickness without going mouldy, cut
It is slit into certain size, is carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 4.5h, then take out, be placed in resistance furnace, be warming up to 530 DEG C with stove,
Insulation 2.5h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 5%, nitric acid
The ratio mix homogeneously of potassium 95%, obtains mixed nitrate, is subsequently placed in full drying nitrogen or air
Atmosphere furnace in be heated to 430 DEG C, subsequently the glass substrate through processing of step A is immersed 430 DEG C
In mixed nitrate, isothermal holding 8h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 6
First, take the sodium calcium silicon ultra-white float glass substrate of the zero defect 0.05mm thickness without going mouldy, cut
It is slit into certain size, is carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 3.8h, then take out, be placed in resistance furnace, be warming up to 510 DEG C with stove,
Insulation 2h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 7%, nitric acid
The ratio mix homogeneously of potassium 93%, obtains mixed nitrate, is subsequently placed in full drying nitrogen or air
Atmosphere furnace in be heated to 410 DEG C, subsequently the glass substrate through processing of step A is immersed 410 DEG C
In mixed nitrate, isothermal holding 3h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 7
First, take the sodium calcium silicon ultra-white float glass substrate of the zero defect 0.05mm thickness without going mouldy, cut
It is slit into certain size, is carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 3h, then take out, be placed in resistance furnace, be warming up to 450 DEG C with stove,
Insulation 2h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 0.1%, nitre
Acid potassium 99.9% ratio mix homogeneously, obtain mixed nitrate, be subsequently placed in full drying nitrogen or
It is heated to 450 DEG C in the atmosphere furnace of air, subsequently the glass substrate through processing of step A is immersed
In the mixed nitrate of 450 DEG C, isothermal holding 7h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 8
First, zero defect is taken without the sodium calcium silicon ultra-white float glass substrate thick for 0.2mm gone mouldy, cutting
Become certain size, be carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 5h, then take out, be placed in resistance furnace, be warming up to 450 DEG C with stove,
Insulation 3h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 10%, nitric acid
The ratio mix homogeneously of potassium 90%, obtains mixed nitrate, is subsequently placed in full drying nitrogen or air
Atmosphere furnace in be heated to 330 DEG C, subsequently the glass substrate through processing of step A is immersed 330 DEG C
In mixed nitrate, isothermal holding 2h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 9
First, take the sodium calcium silicon ultra-white float glass substrate of the zero defect 0.15mm thickness without going mouldy, cut
It is slit into certain size, is carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 5h, then take out, be placed in resistance furnace, be warming up to 450 DEG C with stove,
Insulation 3h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 1%, nitric acid
The ratio mix homogeneously of potassium 99%, obtains mixed nitrate, is subsequently placed in full drying nitrogen or air
Atmosphere furnace in be heated to 370 DEG C, subsequently the glass substrate through processing of step A is immersed 370 DEG C
In mixed nitrate, isothermal holding 5h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 10
First, zero defect is taken without the sodium calcium silicon ultra-white float glass substrate thick for 0.2mm gone mouldy, cutting
Become certain size, be carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 3h, then take out, be placed in resistance furnace, be warming up to 450 DEG C with stove,
Insulation 1.5h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 0.35%, nitre
Acid potassium 99.65% ratio mix homogeneously, obtain mixed nitrate, be subsequently placed in full drying nitrogen or
It is heated to 450 DEG C in the atmosphere furnace of air, subsequently the glass substrate through processing of step A is immersed
In the mixed nitrate of 450 DEG C, isothermal holding 10h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Embodiment 11
First, zero defect is taken without the sodium calcium silicon ultra-white float glass substrate thick for 0.1mm gone mouldy, cutting
Become certain size, be carried out, drying operation, then do following process:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 5h, then take out, be placed in resistance furnace, be warming up to 450 DEG C with stove,
Insulation 2.5h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: silver nitrate is dried with potassium nitrate, by silver nitrate 7%, nitric acid
The ratio mix homogeneously of potassium 93%, obtains mixed nitrate, is subsequently placed in full drying nitrogen or air
Atmosphere furnace in be heated to 400 DEG C, subsequently the glass substrate through processing of step A is immersed 400 DEG C
In mixed nitrate, isothermal holding 5h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: the glass substrate processed through step B is entered
Row cooling, clean, dried, wherein one side conjunction cementing with AB will i.e. obtain Touch Screen safety glass
Pad pasting.
Contrast 1
A, glass substrate is configured to tabular, the glass composition of described glass substrate, converts with oxide
Molar percentage represent, contain: the SiO of 55-80%2, the Al of 0.1-15%2O3, 0-15%
B2O3, the Na of ZnO, 0.1-15% of 0-10%2The K of O, 0-10%2The MgO+CaO of O, 0-16%；
B, including at least KNO3Fuse salt in the described glass substrate being shaped as tabular is carried out
Chemical intensification treatment, specifically, 400-550 DEG C containing KNO3Fuse salt in impregnate glass substrate 2
-20 hours；
C, to after described chemical intensification treatment being cleaned of glass substrate process；
D, through described in clean process after glass substrate surface formed silverskin；
E, by carrying out heat treated at 300-475 DEG C and incite somebody to action being formed with the glass substrate of described silverskin
Silver ion diffuses to inside from glass baseplate surface so that from glass baseplate surface to the 40 μm degree of depth
In the range of silver amount for 0.2-100 μ g/cm2, silver ion diffusion will not diffuse to glass to described
The silver residuing in surface inside glass substrate is carried out removing.
The one-tenth that it is critical only that glass substrate of this preparation method is grouped into, and its guarantee that can realize also is
Glass substrate based on this composition, changes the common of other or the glass substrate of the present invention into, then cannot
Reach to contrast this effect of 1.
Contrast 2
First the glass substrate of touch panel is soaked in 18M sulfuric acid solution 1 minute, then with go from
Sub-water removes the sulfuric acid solution residuing in glass baseplate surface；Glass substrate after cleaning is immersed in dense
Degree 1% is containing in the solution of the silane coupler of 3-aminopropyl triethoxysilane and the most anti-
Answer 30-60 minute, after reaction, remove the silane residuing in glass baseplate surface with deionized water and ethanol
Coupling agent；Reacted glass substrate is soaked in the 1000ppm solution containing nanometer silver, in room temperature
Lower reaction 12-24 hour, removes with deionized water and ethanol after reaction and residues in glass baseplate surface
Solution containing nanometer silver, is dried the most at room temperature, obtains the touch having the antibiotic property high grade of transparency
Panel.Escherichia coli are carried out according to JISZ2801 inspection specification with the Antibacterial touch panel of this processing procedure gained
Antibacterial (strain ATCC 8739) tests, and its antibacterial activity value is about 2.0.
The Touch Screen safety glass adhesive cover products preparing above-described embodiment has carried out performance survey
Examination, result is as shown in table 1.
Table 1
By data in table 1 it can be seen that screen protection steel of the present invention protects adhering film to glass, compression
Stress is high, it is possible to well protection screen is not scraped off, and reduces screen breakage probability when dropping, simultaneously
Excellent antibacterial performance, under the conditions of identical use, the screen protection steel of the present invention protects adhering film to glass and is
Contrast more than 1.5 times of 1 service life, be contrasted for 2 service lifes more than 2 times.Silver ion is main
Effect be antibacterial action, under the same terms, the degree of depth is the deepest, the amount of the silver ion exchanged in glass
The biggest, anti-microbial property is the best.The Main Function of potassium ion is to prepare compressive stress, and the potassium ion degree of depth is the deepest,
Compressive stress is the highest.
Claims (10)
1. the preparation method of Touch Screen safety glass pad pasting, including glass substrate and the preparation of glue,
Then being pasted with glue by the lower surface of glass substrate and obtain Touch Screen safety glass pad pasting, it is special
Levy and be, further comprising the steps of:
A, the preparation of pretreatment layer: by dried for the cleaning glass substrate of preparation, be placed in equipped with SOCl2
In the reactor of liquid, stand 3-5h, then take out, be placed in resistance furnace, be warming up to 450 DEG C with stove
-550 DEG C, it is incubated 1-3h, forms pretreatment layer at glass baseplate surface；
B, the preparation of ion exchange layer: the glass substrate through processing of step A is immersed 330 DEG C-450 DEG C
Nitrate in, isothermal holding 2-10h, obtain ion exchange layer；
C, the preparation of Touch Screen safety glass pad pasting: by the glass substrate that processes through step B with
Glue combines and i.e. obtains Touch Screen safety glass pad pasting.
The preparation method of Touch Screen safety glass pad pasting the most according to claim 1, its feature
It is: the preparation of the nitrate of 330 DEG C-450 DEG C, including, silver nitrate is dried with potassium nitrate, mixed
Uniformly, obtain mixed nitrate, be heated in being subsequently placed in the atmosphere furnace of full drying nitrogen or air
330℃-450℃。
The preparation method of Touch Screen safety glass pad pasting the most according to claim 2, its feature
Being: in described mixed nitrate, by weight percentage, containing silver nitrate 0.1%-10%, surplus is
Potassium nitrate.
The preparation method of Touch Screen safety glass pad pasting the most according to claim 1, its feature
It is: the preparation of glass substrate, prepares zero defect without the sodium calcium silicon ultra-white float glass gone mouldy.
The preparation method of Touch Screen safety glass pad pasting the most according to claim 1, its feature
It is: described glue is AB glue.
6. the Touch Screen safety glass pad pasting that according to claim 1 prepared by preparation method,
Including glass substrate and the glue being arranged on glass substrate lower surface, it is characterised in that: described glass
The surface configuration of glass substrate has one layer of pretreatment layer, includes ion exchange layer, ion on pretreatment layer
The degree of depth of switching layer is less than or equal to the degree of depth of pretreatment layer, the glass after ion exchange layer processes
The lower surface of substrate is provided with glue.
Touch Screen safety glass pad pasting the most according to claim 6, it is characterised in that: glass
Substrate be thickness be the sodium silico-calcium ultra-white float glass of 0.05mm-0.2mm.
Touch Screen safety glass pad pasting the most according to claim 6, it is characterised in that: locate in advance
The degree of depth of reason layer is 20 μm-200 μm.
Touch Screen safety glass pad pasting the most according to claim 6, it is characterised in that: locate in advance
The glass structure of reason layer does not contains hydroxyl.
Touch Screen safety glass pad pasting the most according to claim 6, it is characterised in that: from
Sub-switching layer is one layer comprises the antibiotic layer of silver ion and potassium ion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610290154.8A CN106010327B (en) | 2016-05-04 | 2016-05-04 | Touch Screen tempered glass pad pasting and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290154.8A CN106010327B (en) | 2016-05-04 | 2016-05-04 | Touch Screen tempered glass pad pasting and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN106010327A true CN106010327A (en) | 2016-10-12 |
| CN106010327B CN106010327B (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610290154.8A Active CN106010327B (en) | 2016-05-04 | 2016-05-04 | Touch Screen tempered glass pad pasting and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552837A (en) * | 2020-12-08 | 2021-03-26 | 湖南优多新材料科技有限公司 | Formula and processing technology of thermal viscosity reduction protective film |
| WO2022054960A1 (en) * | 2020-09-14 | 2022-03-17 | 日本板硝子株式会社 | Display device |
| CN114524625A (en) * | 2020-11-23 | 2022-05-24 | 广东腾玻玻璃科技有限公司 | Antibacterial high-strength glass and preparation method thereof |
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| CN1884166A (en) * | 2006-07-12 | 2006-12-27 | 中国科学院上海光学精密机械研究所 | Visible-light and middle-infrared bands transmissible germanate gallate glass |
| CN102092940A (en) * | 2009-12-11 | 2011-06-15 | 肖特公开股份有限公司 | Aluminum silicate glass for touch screen |
| CN203331489U (en) * | 2013-06-06 | 2013-12-11 | 东莞市长安义泽包装制品厂 | Tempered glass stuck film |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1884166A (en) * | 2006-07-12 | 2006-12-27 | 中国科学院上海光学精密机械研究所 | Visible-light and middle-infrared bands transmissible germanate gallate glass |
| CN102092940A (en) * | 2009-12-11 | 2011-06-15 | 肖特公开股份有限公司 | Aluminum silicate glass for touch screen |
| CN203331489U (en) * | 2013-06-06 | 2013-12-11 | 东莞市长安义泽包装制品厂 | Tempered glass stuck film |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022054960A1 (en) * | 2020-09-14 | 2022-03-17 | 日本板硝子株式会社 | Display device |
| CN114524625A (en) * | 2020-11-23 | 2022-05-24 | 广东腾玻玻璃科技有限公司 | Antibacterial high-strength glass and preparation method thereof |
| CN112552837A (en) * | 2020-12-08 | 2021-03-26 | 湖南优多新材料科技有限公司 | Formula and processing technology of thermal viscosity reduction protective film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106010327B (en) | 2018-10-19 |
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