CN106630680B - High alumina silicon cover-plate glass and preparation method thereof - Google Patents
High alumina silicon cover-plate glass and preparation method thereof Download PDFInfo
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- CN106630680B CN106630680B CN201611245693.6A CN201611245693A CN106630680B CN 106630680 B CN106630680 B CN 106630680B CN 201611245693 A CN201611245693 A CN 201611245693A CN 106630680 B CN106630680 B CN 106630680B
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- chemical strengthening
- high alumina
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- 239000005357 flat glass Substances 0.000 title claims abstract description 205
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 title claims abstract description 90
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 76
- 239000010703 silicon Substances 0.000 title claims abstract description 76
- 238000002360 preparation method Methods 0.000 title claims abstract description 28
- 238000003426 chemical strengthening reaction Methods 0.000 claims abstract description 147
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910001415 sodium ion Inorganic materials 0.000 claims abstract description 53
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 claims abstract description 43
- 229910001414 potassium ion Inorganic materials 0.000 claims abstract description 43
- 239000013585 weight reducing agent Substances 0.000 claims abstract description 36
- 230000004584 weight gain Effects 0.000 claims abstract description 33
- 235000019786 weight gain Nutrition 0.000 claims abstract description 33
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims abstract description 32
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 150000003839 salts Chemical class 0.000 claims abstract description 24
- 235000010333 potassium nitrate Nutrition 0.000 claims abstract description 16
- 239000004323 potassium nitrate Substances 0.000 claims abstract description 16
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052681 coesite Inorganic materials 0.000 claims abstract description 14
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 14
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract description 14
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 14
- 229910052682 stishovite Inorganic materials 0.000 claims abstract description 14
- 229910052905 tridymite Inorganic materials 0.000 claims abstract description 14
- 229910001845 yogo sapphire Inorganic materials 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims description 28
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 27
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims 1
- 230000009467 reduction Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 18
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 238000013001 point bending Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- LLQHSBBZNDXTIV-UHFFFAOYSA-N 6-[5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-4,5-dihydro-1,2-oxazol-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC1CC(=NO1)C1=CC2=C(NC(O2)=O)C=C1 LLQHSBBZNDXTIV-UHFFFAOYSA-N 0.000 description 1
- KMWBBMXGHHLDKL-UHFFFAOYSA-N [AlH3].[Si] Chemical compound [AlH3].[Si] KMWBBMXGHHLDKL-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- 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
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
Abstract
The present invention relates to a kind of high alumina silicon cover-plate glass and preparation method thereof, the preparation method comprises the following steps: 1) cover-plate glass original piece is carried out first time chemical strengthening in fused potassium nitrate, compared with cover-plate glass original piece, its surface sodium ion reduction amount is more than or equal to 35wt%, potassium ion incrementss are more than or equal to 30wt%, and the weight reduction amount of sodium ion is greater than the potassium ion weight gain；Cover-plate glass original sheet weight composition are as follows: SiO2: 57-65%, Al2O3: 10-18%, Na2O:10-16%, K2O:4-8%, MgO:4-7%, ZrO:0.1-2%；2) cover-plate glass after first time chemical strengthening is subjected to second of chemical strengthening in fused potassium nitrate, compared with first time chemical strengthening cover-plate glass, the weight reduction amount of its surface sodium ion is more than or equal to 10%, the potassium ion weight gain on its surface is more than or equal to 15%, and the weight reduction amount of sodium ion is less than the potassium ion weight gain.High alumina silicon cover-plate glass of the invention is excellent in cushion effect, and cover-plate glass original piece extends the service life of fused salt when strengthening.
Description
Technical field
The present invention relates to a kind of cover-plate glass, more particularly to a kind of high alumina silicon cover-plate glass and preparation method thereof.
Background technique
Such as with mobile electronic device: the fast development of mobile phone, Pad, the consumer group to " lightening " need it is more next
It is stronger, and then become lightening most feasible point of penetration as protection cover-plate glass.Therefore cover-plate glass had both been needed
Want lightening, with greater need for high intensity.
The chemical strengthening of cover-plate glass at present mainly pass through original sheet glass carried out in the potassium nitrate saline solution of molten state from
Son exchange realizes that with original sheet glass surface sodium ion ion exchange can occur for the potassium ion in saline solution, due to potassium ion radius
A lamination stress is formed greater than sodium ion radius, therefore on original sheet glass surface, by adjusting saline solution temperature and soaking time, control
Compression size and depth processed, so that original sheet glass be made to obtain optimal reinforcing effect.It is strong that existing cover-plate glass carries out chemistry
It is larger to the consumption of fused salt when change, and fused salt service life is limited, in chemical strengthening process, when surface stress is less than
When 600MPa, entirety is needed to change salt；Furthermore when cover-plate glass original piece thickness is less than 7mm, the cover-plate glass after chemical strengthening is anti-
Impact strength is very low.
Summary of the invention
It is a primary object of the present invention to provide a kind of novel high alumina silicon cover-plate glass and preparation method thereof, to be solved
Certainly the technical issues of is to promote the impact strength of chemically reinforced glass and extend saline solution service life, thus more suitable for reality
With.
The object of the invention to solve the technical problems adopts the following technical solutions to realize.It proposes according to the present invention
A kind of high alumina silicon cover-plate glass preparation method comprising the steps of:
1) cover-plate glass original piece is put into progress first time chemical strengthening in the potassium nitrate of melting, it is strong obtains chemistry for the first time
Change cover-plate glass；The wherein composition (by percentage to the quality) of the cover-plate glass original piece are as follows: SiO2: 57-65%, Al2O3:
10-18%, Na2O:10-16%, K2O:4-8%, MgO:4-7%, ZrO:0.1-2%；The first time chemical strengthening cover board glass
For glass compared with the cover-plate glass original piece, the weight reduction amount of surface sodium ion is more than or equal to 35%, the potassium on surface from
Sub- weight gain is more than or equal to 30%；Wherein, the weight reduction amount of the sodium ion is greater than the potassium ion weight and increases
Dosage；
2) the first time chemical strengthening cover-plate glass is put into the potassium nitrate of melting and carries out second of chemical strengthening, obtained
To second of chemical strengthening cover-plate glass；Second of chemical strengthening cover-plate glass and the first time chemical strengthening cover board glass
Glass is compared, and the weight reduction amount of surface sodium ion is more than or equal to 10%, and the potassium ion weight gain on surface is more than or equal to
15%；Wherein, the weight reduction amount of the sodium ion is less than the potassium ion weight gain.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the preparation method of high alumina silicon cover-plate glass above-mentioned, wherein the temperature of the first time chemical strengthening
It is 380-500 DEG C, time 60-480min；The temperature of second of chemical strengthening is 380-450 DEG C, time 5-
60min。
Preferably, the preparation method of high alumina silicon cover-plate glass above-mentioned, wherein the temperature of the first time chemical strengthening
It is 400-450 DEG C, time 180-360min；The temperature of second of chemical strengthening is 390-420 DEG C, time 10-
40min。
Preferably, the preparation method of high alumina silicon cover-plate glass above-mentioned, wherein the first time chemical strengthening cover board glass
Glass is compared with the cover-plate glass original piece, and the weight reduction amount of surface sodium ion is 40%, the potassium ion weight on surface
Incrementss are 35%；Second of chemical strengthening cover-plate glass compared with the first time chemical strengthening cover-plate glass,
The weight reduction amount of its surface sodium ion is 15%, and the potassium ion weight gain on surface is 20%.
Preferably, the preparation method of high alumina silicon cover-plate glass above-mentioned, wherein the saline solution of second of chemical strengthening
Consumption is 5-15ppm, and the saline solution consumption is the concentration of sodium ion in the potassium nitrate fused salt of second of chemical strengthening front and back
Variable quantity.
Preferably, the preparation method of high alumina silicon cover-plate glass above-mentioned, wherein the thickness of the cover-plate glass original piece is small
In 1.1mm.
Preferably, the preparation method of high alumina silicon cover-plate glass above-mentioned, wherein the cover-plate glass original piece composition (with
Mass percent meter) are as follows: SiO2: 60.8%, Al2O3: 13.5%, Na2O:12.6%, K2O:5.6%, MgO:6.5%, ZrO:
1.0%.
Also the following technical solution is employed for the object of the invention to solve the technical problems to realize.It proposes according to the present invention
A kind of high alumina silicon cover-plate glass, obtained by cover-plate glass original piece by secondary chemical strengthening, the cover-plate glass original piece
Composition (by percentage to the quality) are as follows: SiO2: 57-65%, Al2O3: 10-18%, Na2O:10-16%, K2O:4-8%, MgO:
4-7%, ZrO:0.1-2%, the sum of the above components are 100%；
By first time chemical strengthening cover-plate glass compared with the cover-plate glass original piece, the weight of surface sodium ion
Reduction amount is more than or equal to 35%, and the potassium ion weight gain on surface is more than or equal to 30%, wherein the weight of the sodium ion
It measures reduction amount and is greater than the potassium ion weight gain；
By second of chemical strengthening cover-plate glass compared with the process first time chemical strengthening cover-plate glass, table
The weight reduction amount of face sodium ion is more than or equal to 10%, and the potassium ion weight gain on surface is more than or equal to 15%, wherein institute
The weight reduction amount for the sodium ion stated is less than the potassium ion weight gain.
The object of the invention to solve the technical problems also can be used following technical measures and further realize.
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein the thickness of the cover-plate glass original piece is less than
1.1mm。
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein the cover-plate glass original piece with a thickness of 0.4-
0.7mm。
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein the first time chemical strengthening cover-plate glass
Stress layer depth is more than or equal to 25 μm.
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein second of chemical strengthening cover-plate glass
Stress layer depth is less than or equal to 20 μm, does not include and strengthens depth for the first time.
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein second of chemical strengthening cover-plate glass
Surface stress is more than or equal to 800MPa.
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein second of chemical strengthening cover-plate glass
Surface stress is greater than 850MPa.
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein the composition of the cover-plate glass original piece is (with quality
Percentages) are as follows: SiO2: 60.8%, Al2O3: 13.5%, Na2O:12.6%, K2O:5.6%, MgO:6.5%, ZrO:1.0%.
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein the first time chemical strengthening cover-plate glass with
The cover-plate glass original piece is compared, and the weight reduction amount of surface sodium ion is 40%, and the potassium ion weight on surface increases
Amount is 35%；Second of chemical strengthening cover-plate glass is compared with the first time chemical strengthening cover-plate glass, table
The weight reduction amount of face sodium ion is 15%, and the potassium ion weight gain on surface is 20%.
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein the first time chemical strengthening cover-plate glass into
The saline solution consumption of second of chemical strengthening of row is 5-15ppm, and the saline solution consumption is that second of chemical strengthening front and back is molten
The concentration variable quantity of sodium ion in salt.
Preferably, the high alumina silicon cover-plate glass above-mentioned, wherein second of chemical strengthening cover-plate glass
The 4PB value of (145 × 73 × 0.55mm) is greater than 750MPa, and the break height of impact strength is greater than 35cm.
By above-mentioned technical proposal, high alumina silicon cover-plate glass of the present invention and preparation method thereof is at least had the advantage that
Traditional chemically reinforced glass only carries out single chemical strengthening, as surface stress < 600MPa, need to integrally change salt,
The saline solution period is limited, and fused salt used in first time chemical strengthening can prolong lower than reusing under this standard in the present invention
The service life of saline solution, i.e. fused salt used in first time chemical strengthening have been grown, it is still repeatable as surface stress > 300MPa
It uses；The stress layer depth of cover-plate glass is improved by first time chemical strengthening.Cover board glass by second of chemical strengthening
The surface stress of glass significantly improves, and is more than or equal to 800MPa, cover-plate glass of the invention is when carrying out second of chemical strengthening
Saline solution consumption is very low, is 5-15ppm, and saline solution consumption is substantially reduced, and second of chemical strengthening only needs low in the present invention
Saline solution consumption can reach high surface stress.It is answered since second of chemical strengthening makes cover-plate glass reach high surface
Power, so first time chemical strengthening is lower to surface stress requirement, so that the requirement to the concentration of fused salt is lower, therefore, this hair
Bright high alumina silicon cover-plate glass increases the service life of fused salt.High alumina silicon cover-plate glass 4PB value of the invention is greater than 750MPa,
Warp value is worked as with conventional hardening constituent；The impact strength of high alumina silicon cover-plate glass of the invention is big, and impact strength is crushed
Height is greater than 35cm.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, with presently preferred embodiments of the present invention, detailed description is as follows below.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Preferred embodiment, to high alumina silicon cover-plate glass proposed according to the present invention and preparation method thereof its specific embodiment, feature and
Its effect, detailed description is as follows.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same reality
Apply example.In addition, the special characteristic or feature in one or more embodiments can be combined by any suitable form.
A kind of preparation method for high alumina silicon cover-plate glass that one embodiment of the present of invention proposes comprising the steps of:
1) cover-plate glass original piece is put into progress first time chemical strengthening in the potassium nitrate of melting, it is strong obtains chemistry for the first time
Change cover-plate glass；The wherein composition (by percentage to the quality) of the cover-plate glass original piece are as follows: SiO2: 57-65%, Al2O3:
10-18%, Na2O:10-16%, K2O:4-8%, MgO:4-7%, ZrO:0.1-2%；The first time chemical strengthening cover board glass
For glass compared with the cover-plate glass original piece, the weight reduction amount of surface sodium ion is more than or equal to 35%, the potassium on surface from
Sub- weight gain is more than or equal to 30%；Wherein, the weight reduction amount of the sodium ion is greater than the potassium ion weight and increases
Dosage；
Fused salt used in first time chemical strengthening may be reused in the present invention, extend the service life of saline solution,
The fused salt CS > 300Mpa used in the first time chemical strengthening still may be reused, and increase the practical period of fused salt.
2) the first time chemical strengthening cover-plate glass is put into the potassium nitrate of melting and carries out second of chemical strengthening, obtained
To second of chemical strengthening cover-plate glass, as high alumina silicon cover-plate glass；Second of chemical strengthening cover-plate glass with it is described
First time chemical strengthening cover-plate glass is compared, and the weight reduction amount of surface sodium ion is more than or equal to 10%, the potassium on surface from
Sub- weight gain is more than or equal to 15%；Wherein, the weight reduction amount of the sodium ion is less than the potassium ion weight and increases
Dosage.
Preferably, the temperature of the first time chemical strengthening in the preparation method of high alumina silicon cover-plate glass of the embodiment of the present invention is
380-500 DEG C, time 60-480min；The temperature of second of chemical strengthening is 380-450 DEG C, time 5-60min.
Preferably, the temperature of the first time chemical strengthening in the preparation method of high alumina silicon cover-plate glass of the embodiment of the present invention is
400-450 DEG C, time 180-360min；The temperature of second of chemical strengthening is 390-420 DEG C, time 10-
40min。
Preferably, the first time chemical strengthening cover-plate glass in the preparation method of high alumina silicon cover-plate glass of the embodiment of the present invention
Compared with the cover-plate glass original piece, the weight reduction amount of surface sodium ion is 40%, and the potassium ion weight on surface increases
Dosage is 35%；Second of chemical strengthening cover-plate glass compared with the first time chemical strengthening cover-plate glass,
The weight reduction amount of surface sodium ion is 15%, and the potassium ion weight gain on surface is 20%.
Preferably, the saline solution of second of chemical strengthening in the preparation method of high alumina silicon cover-plate glass of the embodiment of the present invention disappears
Consumption is 5-15ppm, and the saline solution consumption is that the concentration of sodium ion in the potassium nitrate fused salt of second of chemical strengthening front and back becomes
Change amount.
Preferably, the thickness of the cover-plate glass original piece in the preparation method of high alumina silicon cover-plate glass of the embodiment of the present invention is less than
1.1mm。
Preferably, cover-plate glass original piece in the preparation method of high alumina silicon cover-plate glass of the embodiment of the present invention composition (with
Mass percent meter) are as follows: SiO2: 60.8%, Al2O3: 13.5%, Na2O:12.6%, K2O:5.6%, MgO:6.5%, ZrO:
1.0%.
A kind of high alumina silicon cover-plate glass that another embodiment of the invention proposes, by cover-plate glass original piece by secondary
Chemical strengthening obtains, the composition (by percentage to the quality) of the cover-plate glass original piece are as follows: SiO2: 57-65%, Al2O3: 10-
18%, Na2O:10-16%, K2O:4-8%, MgO:4-7%, ZrO:0.1-2%, the sum of the above components are 100%；
By first time chemical strengthening cover-plate glass compared with the cover-plate glass original piece, the weight of surface sodium ion
Reduction amount is more than or equal to 35%, and the potassium ion weight gain on surface is more than or equal to 30%, wherein the weight of the sodium ion
It measures reduction amount and is greater than the potassium ion weight gain；
By second of chemical strengthening cover-plate glass compared with the process first time chemical strengthening cover-plate glass, table
The weight reduction amount of face sodium ion is more than or equal to 10%, and the potassium ion weight gain on surface is more than or equal to 15%, wherein institute
The weight reduction amount for the sodium ion stated is less than the potassium ion weight gain.
Preferably, the thickness of the cover-plate glass original piece in high alumina silicon cover-plate glass of the embodiment of the present invention is less than 1.1mm.
Preferably, cover-plate glass original piece in high alumina silicon cover-plate glass of the embodiment of the present invention with a thickness of 0.4-0.7mm；It is thick
The high alumina silicon cover-plate glass of the secondary chemical strengthening of the cover-plate glass original piece preparation of 0.4-0.7mm is spent suitable for a variety of lightening
Glass equipment.
Preferably, the stress layer depth of the first time chemical strengthening cover-plate glass in high alumina silicon cover-plate glass of the embodiment of the present invention
Degree is more than or equal to 25 μm；Meet the stress layer depth of lightening glass by the stress layer depth of the high alumina silicon cover-plate glass of first time
Degree requires.
Preferably, the stress layer depth of second of chemical strengthening cover-plate glass in high alumina silicon cover-plate glass of the embodiment of the present invention
Degree is less than or equal to 20 μm.
Preferably, the surface stress of second of chemical strengthening cover-plate glass in high alumina silicon cover-plate glass of the embodiment of the present invention
More than or equal to 800MPa.
Preferably, the surface stress of second of chemical strengthening cover-plate glass in high alumina silicon cover-plate glass of the embodiment of the present invention
For 850MPa.
Preferably, the composition of the cover-plate glass original piece in high alumina silicon cover-plate glass of the embodiment of the present invention is (with mass percent
Meter) are as follows: SiO2: 60.8%, Al2O3: 13.5%, Na2O:12.6%, K2O:5.6%, MgO:6.5%, ZrO:1.0%.
Preferably, first time chemical strengthening cover-plate glass and the lid in high alumina silicon cover-plate glass of the embodiment of the present invention
Glass sheet original piece is compared, and the weight reduction amount of surface sodium ion is 40%, and the potassium ion weight gain on surface is 35%；
Second of chemical strengthening cover-plate glass compared with the first time chemical strengthening cover-plate glass, surface sodium ion
Weight reduction amount is 15%, and the potassium ion weight gain on surface is 20%.
Preferably, the first time chemical strengthening cover-plate glass in high alumina silicon cover-plate glass of the embodiment of the present invention carries out second
The saline solution consumption of chemical strengthening is 5-15ppm, the saline solution consumption be before and after second of chemical strengthening in fused salt sodium from
The concentration variable quantity of son.
Preferably, the 4PB value of second of chemical strengthening cover-plate glass in high alumina silicon cover-plate glass of the embodiment of the present invention is big
It is greater than 35cm in the break height of 750MPa, impact strength.
The compression of second of chemical strengthening cover-plate glass significantly improves, and to saline solution consumption and traditional chemical hardening constituent ratio
It is substantially reduced, the saline solution consumption for carrying out second of chemical strengthening is 5-15ppm, before second of the chemical strengthening of saline solution consumption
The concentration variable quantity of sodium ion is measured in fused salt afterwards, i.e. the concentration and second of sodium ion after second of chemical strengthening in fused salt
The concentration of sodium ion is compared and increases 5-15ppm in fused salt before secondary chemical strengthening.
To the cover-plate glass original piece of embodiment 1-5 and comparative example 1-3 different component, different-thickness, in the potassium nitrate of melting
Middle progress first time chemical strengthening obtains first time chemical strengthening cover-plate glass, and stress layer depth (DOL) is 30 μm, with lid
Glass sheet original piece reduces 40% compared to the weight of surface sodium ion, and surface potassium ion weight increases 35%；By first timeization
It learns reinforcing cover-plate glass and carries out second of chemical strengthening in fused potassium nitrate, obtain secondary chemical strengthening cover-plate glass, as
High alumina silicon cover-plate glass, DOL are 10 μm, not comprising the DOL depth that first time strengthens, with first time chemical strengthening cover-plate glass
It compares, the weight reduction amount of surface sodium ion is 15%, and the potassium ion weight gain on surface is 20%.Wherein, embodiment
The cover-plate glass original sheet weight component and thickness of 1-5 and comparative example 1-3 is as shown in table 1, to embodiment 1-5's and comparative example 1-3
The temperature and time of first time chemical strengthening and second of chemical strengthening is as shown in table 5.
The cover-plate glass original sheet weight component and thickness of table 1 embodiment 1-5 and comparative example 1-3
The high alumina silicon cover-plate glass of embodiment 1-5 and comparative example 1-3 is tested for the property, sample specification be 145 ×
73mm tests its impact strength, the CS (surface stress) of first time chemical strength, the CS of second of chemical strength, 4PB respectively
(four-point bending test), the saline solution consumption of warpage and second of chemical strength, specifically, its performance test results such as 2 institute of table
Show.Wherein, impact strength refers to that ball falling impact is tested, and 130g steel ball is generallyd use, in certain base relative superiority or inferiority, steel ball free falling bodies
Glass surface is impacted, if glass is unbroken, then is incremented by steel ball height with fixed height, successively free falling sphere, until glass breaking,
Its break height is the statement of glass impact strength.
The test result of 2 embodiment 1-5 of table and comparative example 1-3 high alumina silicon cover-plate glass
By Tables 1 and 2 it is found that the height that the cover-plate glass original piece of embodiment 1-5 component obtains after secondary chemical strengthening
The break height of aluminium silicon cover-plate glass is significantly greater than the break height of comparative example, illustrates the anti-of high alumina silicon cover-plate glass of the invention
Impact strength is higher than the impact strength of the high alumina silicon cover-plate glass of comparative example；Second of the high alumina silicon cover-plate glass of embodiment
The CS of chemical strengthening is 912-956/MPa, and the CS of second of chemical strengthening is significantly higher than second of chemical strengthening of comparative example,
Its 4PB value is 813-901MPa, warpage 0.08-0.25mm.
The components by weight percent of the cover-plate glass original piece of embodiment 6-8 and comparative example 4-6 is SiO2: 60.8%, Al2O3:
13.5%, Na2O:12.6%, K2O:5.6%, MgO:6.5%, ZrO:1.0%.By the cover board of embodiment 6-8 and comparative example 4-6
Original sheet glass is put into progress first time chemical strengthening in the potassium nitrate of melting, first time chemical strengthening cover-plate glass is obtained, with lid
Glass sheet original piece is as shown in table 3 compared to its surface sodium ion weight reduction amount and surface potassium ion weight gain；It will be for the first time
Chemical strengthening cover-plate glass, which is put into the potassium nitrate of melting, carries out secondary chemical strengthening, obtains second of chemical strengthening cover board glass
Glass, compared with first time chemical strengthening cover-plate glass, surface sodium ion increases compared to weight reduction amount and surface potassium ion weight
Dosage is as shown in table 3.The DOL of first time chemical strengthening cover-plate glass and second of chemical strengthening cover-plate glass is as shown in table 3.
The temperature and time of first time chemical strengthening and second of the chemical strengthening of embodiment 6-8 and comparative example 5-6 is as shown in table 5.
The secondary chemical strengthening parameter of 3 high alumina silicon cover-plate glass of table
The high alumina silicon cover-plate glass of embodiment 6-8 and comparative example 3-6 is tested for the property, sample specification is 145 × 73
× 0.5mm tests its impact strength, the CS of first time chemical strength, the CS of second of chemical strength, second of chemistry respectively
The saline solution consumption of intensity, 4PB (four-point bending test) and warpage, specifically, its performance test results is as shown in table 4.
The test result of 4 embodiment 6-8 of table and comparative example 4-6 high alumina silicon cover-plate glass
By table 3 and table 4 it is found that the cover-plate glass original piece of embodiment 6-8 component obtained after secondary chemical strengthening two
The break height of the high alumina silicon cover-plate glass of secondary chemical strengthening is significantly greater than the break height of comparative example, illustrates of the invention secondary
The impact strength of the high alumina silicon cover-plate glass of chemical strengthening is higher than the high alumina silicon cover-plate glass of the secondary chemical strengthening of comparative example
Impact strength；The CS of second of chemical strengthening of the high alumina silicon cover-plate glass of the secondary chemical strengthening of embodiment is 847-
878/MPa, the CS of second of chemical strengthening are significantly higher than second of chemical strengthening of comparative example, and 4PB value is 811-
921MPa, warpage 0.12-0.15mm.Compared with comparative example, the high alumina silicon cover-plate glass salt of secondary chemical strengthening of the invention
Liquid consumption is very low, and requirement of second of chemical strengthening to fused salt is lower, increases the service life of fused salt.
Time and the temperature of table 5 first time chemical strengthening and second of chemical strengthening
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, according to
According to technical spirit any simple modification, equivalent change and modification to the above embodiments of the invention, this hair is still fallen within
In the range of bright technical solution.
Claims (12)
1. a kind of preparation method of high alumina silicon cover-plate glass, it is characterised in that: comprise the steps of:
1) cover-plate glass original piece is put into progress first time chemical strengthening in the potassium nitrate of melting, obtains first time chemical strengthening lid
Glass sheet；The wherein composition (by percentage to the quality) of the cover-plate glass original piece are as follows: SiO2: 57-65%, Al2O3: 10-
18%, Na2O:10-16%, K2O:4-8%, MgO:4-7%, ZrO:0.1-2%；The first time chemical strengthening cover-plate glass with
The cover-plate glass original piece is compared, and the weight reduction amount of surface sodium ion is more than or equal to 35%, the potassium ion weight on surface
It measures incrementss and is more than or equal to 30%；Wherein, the weight reduction amount of the sodium ion is greater than the potassium ion weight gain；
2) the first time chemical strengthening cover-plate glass is put into the potassium nitrate of melting and carries out second of chemical strengthening, obtain
Secondary chemical strengthening cover-plate glass；Second of chemical strengthening cover-plate glass and the first time chemical strengthening cover-plate glass phase
Than the weight reduction amount of surface sodium ion is more than or equal to 10%, and the potassium ion weight gain on surface is more than or equal to 15%；
Wherein, the weight reduction amount of the sodium ion is less than the potassium ion weight gain；
The temperature of the first time chemical strengthening is 380-500 DEG C, time 60-480min；Second of chemical strengthening
Temperature is 380-450 DEG C, time 5-60min；
The saline solution consumption of second of chemical strengthening is 5-15ppm, and the saline solution consumption is second of chemical strengthening
The concentration variable quantity of sodium ion in the potassium nitrate fused salt of front and back.
2. the preparation method of high alumina silicon cover-plate glass according to claim 1, which is characterized in that the first time chemistry is strong
The temperature of change is 400-450 DEG C, time 180-360min；The temperature of second of chemical strengthening is 390-420 DEG C, the time
For 10-40min.
3. the preparation method of high alumina silicon cover-plate glass according to claim 1, which is characterized in that the first time chemistry
Strengthen cover-plate glass compared with the cover-plate glass original piece, the weight reduction amount of surface sodium ion is 40%, surface
Potassium ion weight gain is 35%；Second of chemical strengthening cover-plate glass and the first time chemical strengthening cover board
Glass phase ratio, the weight reduction amount of surface sodium ion are 15%, and the potassium ion weight gain on surface is 20%.
4. the preparation method of high alumina silicon cover-plate glass according to claim 1, which is characterized in that the cover-plate glass is former
The thickness of piece is less than 1.1mm.
5. the preparation method of high alumina silicon cover-plate glass according to claim 1, which is characterized in that the cover-plate glass is former
The composition (by percentage to the quality) of piece are as follows: SiO2: 60.8%, Al2O3: 13.5%, Na2O:12.6%, K2O:5.6%, MgO:
6.5%, ZrO:1.0%.
6. a kind of high alumina silicon cover-plate glass, it is characterised in that: it is obtained by cover-plate glass original piece by secondary chemical strengthening, described
Cover-plate glass original piece composition (by percentage to the quality) are as follows: SiO2: 57-65%, Al2O3: 10-18%, Na2O:10-
16%, K2O:4-8%, MgO:4-7%, ZrO:0.1-2%, the sum of the above components are 100%；
By first time chemical strengthening cover-plate glass compared with the cover-plate glass original piece, the weight of surface sodium ion is reduced
Amount is more than or equal to 35%, and the potassium ion weight gain on surface is more than or equal to 30%, wherein the weight of the sodium ion subtracts
It is greater than the potassium ion weight gain on a small quantity；
By second of chemical strengthening cover-plate glass compared with the process first time chemical strengthening cover-plate glass, surface sodium
The weight reduction amount of ion is more than or equal to 10%, and the potassium ion weight gain on surface is more than or equal to 15%, wherein described
The weight reduction amount of sodium ion is less than the potassium ion weight gain；
The saline solution consumption that the first time chemical strengthening cover-plate glass carries out second of chemical strengthening is 5-15ppm, described
Saline solution consumption be sodium ion in fused salt before and after second of chemical strengthening concentration variable quantity.
7. high alumina silicon cover-plate glass according to claim 6, which is characterized in that the thickness of the cover-plate glass original piece is small
In 1.1mm.
8. high alumina silicon cover-plate glass according to claim 6, which is characterized in that the cover-plate glass original piece with a thickness of
0.4-0.7mm。
9. high alumina silicon cover-plate glass according to claim 6, which is characterized in that the first time chemical strengthening cover-plate glass
Stress layer depth be more than or equal to 25 μm.
10. high alumina silicon cover-plate glass according to claim 6, which is characterized in that second of chemical strengthening cover board glass
The stress layer depth of glass is less than or equal to 20 μm.
11. high alumina silicon cover-plate glass according to claim 6, which is characterized in that the composition of the cover-plate glass original piece
(by percentage to the quality) are as follows: SiO2: 60.8%, Al2O3: 13.5%, Na2O:12.6%, K2O:5.6%, MgO:6.5%,
ZrO:1.0%.
12. high alumina silicon cover-plate glass according to claim 6, which is characterized in that the first time chemical strengthening cover board
Glass is compared with the cover-plate glass original piece, and the weight reduction amount of surface sodium ion is 40%, the potassium ion weight on surface
Measuring incrementss is 35%；Second of chemical strengthening cover-plate glass and the first time chemical strengthening cover-plate glass phase
Than the weight reduction amount of surface sodium ion is 15%, and the potassium ion weight gain on surface is 20%.
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| CN107986609A (en) * | 2017-12-04 | 2018-05-04 | 广东北玻电子玻璃有限公司 | The steel process method of display screen glass plate |
| CN107935377A (en) * | 2017-12-22 | 2018-04-20 | 东旭集团有限公司 | Chemical enhanced cover-plate glass and preparation method thereof |
| CN109502992A (en) * | 2019-01-09 | 2019-03-22 | 江苏铁锚玻璃股份有限公司 | The novel reinforced technique of high lead glass |
| CN109694186A (en) * | 2019-01-25 | 2019-04-30 | 四川旭虹光电科技有限公司 | A kind of chemically reinforced glass plate and preparation method thereof |
| CN111204991A (en) * | 2020-01-16 | 2020-05-29 | Oppo广东移动通信有限公司 | Glass cover plate, strengthening method thereof and electronic equipment |
| CN111212165A (en) * | 2020-02-27 | 2020-05-29 | 咸宁南玻光电玻璃有限公司 | Method for manufacturing lithium-aluminum-silicon glass cover plate |
| CN114031292A (en) * | 2021-12-07 | 2022-02-11 | 中氢国储(杭州)精密制造有限公司 | Formula of high-alumina-silica glass tube and manufacturing method of high-alumina-silica glass tube |
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