CN105384336B - A kind of silicate glass composition and its ultra-thin glass made and preparation method and application - Google Patents
A kind of silicate glass composition and its ultra-thin glass made and preparation method and application Download PDFInfo
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- CN105384336B CN105384336B CN201510730564.5A CN201510730564A CN105384336B CN 105384336 B CN105384336 B CN 105384336B CN 201510730564 A CN201510730564 A CN 201510730564A CN 105384336 B CN105384336 B CN 105384336B
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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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight containing rare earths
-
- 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
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/34—Doped silica-based glasses containing metals containing rare earth metals
- C03C2201/3423—Cerium
-
- 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
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/34—Doped silica-based glasses containing metals containing rare earth metals
- C03C2201/36—Doped silica-based glasses containing metals containing rare earth metals containing rare earth metals and aluminium, e.g. Er-Al co-doped
-
- 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
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/40—Doped silica-based glasses containing metals containing transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn
- C03C2201/42—Doped silica-based glasses containing metals containing transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn containing titanium
-
- 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
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/50—Doped silica-based glasses containing metals containing alkali metals
-
- 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
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/54—Doped silica-based glasses containing metals containing beryllium, magnesium or alkaline earth metals
Abstract
The invention belongs to glass technology field, it is related to a kind of high strength silicate glass composition and its application.The high strength silicate glass composition is become with oxide mass percentages group:SiO2:50~58%, Al2O3:15.0~19.0%, CaO:0.2~1.5%, MgO:4.0~8.0%, Na2O:13.0~18.0%, K2O:0~4.0%, Li2O:0~1.5%, Rb2O:0~0.15%, ZrO2:0~4.0%, TiO2:0~1.0%, CeO2:0~1.0%, WO3:0.01~1.5%, and in glass alkali metal oxide total content in 15.5≤Li2O + Na2O + K2O + Rb2O≤18.The ultra-thin glass of 0.1 1.3mm is made in this composition, through chemical strengthening, can be used for cover-plate glass.
Description
Technical field
The present invention relates to a kind of silicate glass composition and its ultra-thin glass made and preparation method and applications, belong to
In glass technology field.
Background technology
The superhard glass of high intensity is mainly used in the industries such as electron display device, building trade, the vehicles, especially super
Thin glass substrate because flexible, light-weight, it is transparent, insulation characterisitic is good the advantages that and have extensive need in electronic information industry
It asks.There are many current existing superhard glass types of high intensity, and the purpose of the present invention is improve glass on the basis of existing technology
Hardness and mechanical strength, further enhance the tempering effect of glass.
Invention content
The present invention is to provide a kind of silicate glass composition and its ultra-thin glass made and preparation method and application.
A kind of silicate glass composition provided by the present invention, with oxide mass percentages, the glass composition
Composition is as follows:
SiO2:50~58%, Al2O3:15.0~19.0%, CaO:0.2~1.5%, MgO:4.0~8.0%, Na2O :13.0
~18.0%, K2O :0~4.0%, Li2O :0~1.5%, Rb2O:0~0.15%, ZrO2:0~4.0%, TiO2:0~1.0%,
CeO2 :0~1.0%, WO3:0.01~1.5%, and in glass alkali metal oxide total content in 15.5≤Li2O +
Na2O + K2O + Rb2O≤18, further, the composition form as follows by percentage to the quality:SiO2:51~57%,
Al2O3:15.5~18.0%, CaO:0.3~1.2%, MgO:4.0~7.0%, Na2O :13.5~17.0%, K2O:0.5~
3.5%, Li2O :0~1.2%, Rb2O:0~0.15%, ZrO2:0.3~3.5%, TiO2:0~0.8%, CeO2:0~1.0%,
WO3:0.01~1.2%, and in glass alkali metal oxide total content in 16.0≤Li2O + Na2O + K2O+ Rb2O ≤
17.5。
A kind of ultra-thin glass provided by the invention, the ultra-thin glass thickness are 0.1-1.3mm, the ultra-thin glass
It is made of the silicate glass composition for weighing above-mentioned, further, the ultra-thin glass is after chemical tempering is strengthened, intensity
More than 870MPa.
The method of ultra-thin glass provided by the present invention, includes the following steps
A. in a kind of silicate glass composition of 1600-1850 DEG C of melting, the composition includes by percentage to the quality
:50~58% SiO2,15.0~19.0% Al2O3,0.2~1.5% CaO, 4.0~8.0% MgO, 13.0~18.0% Na2O,
0~4.0% K2O, 0~1.5% Li2O, 0~0.15% Rb2O, 0~4.0% ZrO2,0~1.0% TiO2,0~1.0%
CeO2,0~1.5% WO3, and in glass alkali metal oxide total content 15.5≤Li2O+Na2O+K2O+
Rb2O≤18
B., glass composition is shaped to the glass plate of 0.1-1.3mm;
C. glass plate is handled in 400-470 DEG C of alkali nitrates fused salt to carry out chemical tempering, processing time
Preferably 5-11 hours.
The purposes of the ultra-thin glass of the present invention is used as cover sheet glass.
The present invention ultra-thin glass can be used for mobile device, touch-screen equipment, optical module, electronics form band touch-control work(
Consumer products, including capacitance touch screen mobile phone or smart mobile phone or tablet electricity can be shown with a variety of electronic information of display function
Brain or plasm TV or digital camera or GPS or all kinds of inquiries terminal or all kinds of self-aided terminals or ATM machine or planter are big
Screen touch formula electronic whiteboard or handwriting screen show that product can be used for mobile device, touch-screen equipment, optical module, electronics form
Show consumer products, including capacitance touch screen mobile phone, intelligent hand with a variety of electronic information of touch function and display function
It is machine, tablet computer, plasm TV, digital camera, GPS, all kinds of inquiry terminals, all kinds of self-aided terminals, ATM machine, planter, big
Screen touch formula electronic whiteboard, handwriting screen show that product etc. needs cover sheet material of article of high strength glass etc. to need height
The cover sheet material of the article of Strength-Glass.
Specific implementation mode
The present invention provides a kind of high strength glass composition, with oxide mass percentages, glass composition composition
It is as follows:
50~58% SiO2, 15.0~19.0% Al2O3, 0.2~1.5% CaO, 4.0~8.0% MgO, 13.0~18.0%
Na2O, 0~4.0% K2O, 0~1.5% Li2O, 0~0.15% Rb2O, 0~4.0% ZrO2, 0~1.0% TiO2, 0~1.0%
CeO2 , 0~1.5% WO3, and in glass alkali metal oxide total content in 15.5≤Li2O + Na2O + K2O +
Rb2O≤18。
The sum of all components content is 100% in the glass composition of the present invention.
In the present invention, if without particularly pointing out, component content refers both to mass percentage, the total amount meter based on composition.
In the present invention, if without particularly pointing out, various operations are implemented at room temperature, at a normal.
In instant component, silica(SiO2)It is the most ingredient of introduction volume, it is with the structure list of oxygen-octahedron
Member forms irregular contiguous network, becomes the skeleton of glass.The mechanical strength, chemical stability, heat that it can improve glass are steady
It is qualitative etc., but it is more infusibilized substance again, and too high levels can cause glass viscosity to rise, and devitrification, is difficult to the difficulty that becomes second nature
Matter etc., therefore SiO2 contents have its optimum value, in of the invention, SiO2Content be between 50~58%.Preferred scope
It is between 51~57%.
In instant component, alundum (Al2O3)(Al2O3)It is the main component of glass ingredient.In certain content range
Al2O3And SiO2The main body for forming glass network together, is greatly improved glass machinery intensity and chemical stability, rises in glass
Stabilizer function, alumina content increase, and the intensity of glass also increases, but glass melting can be made difficult, Al2O3Concentration is more than
19.0%, the viscosity of glass increases, and is unfavorable for homogenizing and the clarification of glass, and Al2O3The intensity of glass is small when content is too low, at this
In invention, Al2O3Content be selected between 15.0~19.0%, preferably between 15.5~18.0%.
In instant component, WO is added3The mechanical strength of glass can be greatly improved, additionally it is possible to be effectively increased glass
Chemical tempering effect.But the too high levels of WO3 will make glass melting difficult.In the present invention, the content range of WO3 is selected in
0.01~1.5%, preferred scope is 0.01~1.2%.
In instant component, alkali metal oxide(Li2O 、Na2O、K2O、Rb2O)It is network external oxidation object, energy after introducing
So that oxygen-octahedron [ SiO4 ] is formed by network relaxation, fracture, to solve the problems, such as that SiO2 is infusibilized, can be used as and help
Flux so that glass melting temperature declines, and plays the role of reducing glass melting temperature in glass, and potassium oxide, which is added, to be reduced
The tendency towards devitrification of glass increases the transparency and gloss of glass.The hardness of glass is improved, alkali metal ion is chemical tempering processing
Main exchange ion in the process, is added more Na2O, can make the free Na+ ions for having more in glass, be conducive to glass
The chemical tempering of glass, while Na2O can reduce the fusion temperature of glass;Li2O plays the master of fluxing action and ion exchange
Ion is wanted, but when Li2O contents are high, it is more serious to the corrosion of tank furnace refractory material;Rb2O is added, its ion is larger, can accelerate
Glass chemistry toughening speed can also increase the chemical strengthening effect of glass, in of the invention, the content range of alkali metal oxide
It is selected as 13.0~18.0% Na2O, 0~4.0% K2O, 0~1.5% Li2O, 0~0.15% Rb2O, alkali metal oxide
Total content is in 15.5≤Li2O + Na2O + K2O + Rb2The preferred scope of O≤18, alkali metal oxide is 13.5~17.0%
Na2O, 0.5~3.5% K2O, 0~1.2% Li2O, 0~0.15% Rb2O, the total content of alkali metal oxide is 16.0 in glass
≤Li2O + Na2O + K2O+ Rb2O ≤17.5。
In instant component, alkaline earth oxide(MgO、CaO)It is network modifying oxide, the fusing for reducing glass is difficult
Degree, makes melting, clarification, homogenizing, the molding of glass be easier.MgO has the function of reducing high temperature viscosity, increases low temperature viscosity,
The toughness of glass can be increased, inhibit the increased effect of glass brittleness, content is insufficient, and the effect of inhibition is not shown, and content is too high, glass
The increased devitrification resistance of glass increases;CaO also has the function of reducing high temperature viscosity, increases low temperature viscosity, and CaO content is more, can make glass
Brittleness increase.In the present invention, the content range of CaO is selected in the content range of 0.2~1.5%, MgO and is selected in 4.0~8.0%,
Preferred scope is 0.3~1.2% CaO, 4.0~7.0% MgO.
In instant component, ZrO2 Effect mainly improve the intensity of glass, content height is unfavorable for glass melting, at this
In invention, ZrO2Content range be selected in 0~4.0%, preferred scope is 0.3~3.5%.
In instant component, TiO2Effect mainly reduce glass high temperature viscosity, improve the melting behaviour of glass,
Promote glass chemistry toughening.In the present invention, TiO2Content range be selected in 0~1.0%, preferred scope is 0~0.8%.
In instant component, CeO2Effect primarily as high temperature fining agent use, the present invention in CeO2Content be 0
~1.0%.
Float glass process and press over system production may be used in the ultra-thin glass of the present invention.The present invention prepares the ultra-thin of 0.3-1.3mm
The method of glass includes:
A. in a kind of silicate glass composition of 1600-1850 DEG C of melting, the composition wraps by percentage to the quality
It includes:50~58% SiO2,15.0~19.0% Al2O3,0.2~1.5% CaO, 4.0~8.0% MgO, 13.0~18.0%
Na2O, 0~4.0% K2O, 0~1.5% Li2O, 0~0.15% Rb2O, 0~4.0% ZrO2,0~1.0% TiO2,0~
1.0% CeO2,0.01~1.5% WO3, and in glass alkali metal oxide total content in 15.5≤Li2O+Na2O
+ K2O + Rb2O≤18。
B., glass composition is shaped to the glass plate of 0.1-1.3mm, and cooling;
C. glass plate is handled in 400-470 DEG C of alkali nitrates fused salt to carry out chemical tempering, processing time
Preferably 5-11 hours.
The ultra-thin glass of the present invention has wide range of applications, and is particularly used as cover sheet material, is especially used to have and touch
It touches in the electronic products such as mobile phone, the computer of screen or handwriting functions.
It further illustrates the present invention by the following examples, but embodiment is given for example only explanation, not to structure of the present invention
At any restrictions.
Table 1, table 2 list embodiment 1-10(No.1-10)Glass oxide composition.
The glass sample preparation process of each embodiment is as follows:Raw material are calculated according to oxide mass percentage composition in table
Dosage(By 650g preparing glass charges), accurate weighing, uniformly mixing, using platinum-rhodium crucible in high temperature sample-melting stove, 1650 DEG C
At a temperature of be melted 6 hours, during fusing, with stirring rod stir 3 times, so that glass metal is reached melted uniform, clear effect.It is melted
Glass solution cast it is blocking, Muffle furnace is positioned over, by within the scope of 650 DEG C of -590 DEG C of main annealing temperatures(Cooling rate 1
DEG C/min)After annealing, then it is gradually decreased to room temperature, is prepared into test sample as defined in test method, tests its performance.
The test of glass items fundamental performance parameter is carried out to melted glass sample, as a result as shown in table 1, table 2(Glass oxygen
Compound forms by weight percentage), illustrate
(1)Strain point [DEG C], viscosity 1013.5Temperature when Pas;
(2)Annealing point [DEG C], viscosity 1012.0Temperature when Pas;
(3)Softening point [DEG C], viscosity 106.6Temperature when Pas;
The chemical tempering processing of glass chemistry toughening intensity [MPa], glass is that glass sample is positioned over 400-470 DEG C
In the chemical melt of potassium nitrate/potassium chlorate mixed melting, make in the alkali metal ion Li+ and sodium ion Na+ and melt in glass
Potassium ion K+ adopt fully carry out ion exchange, glass surface formed compressive stress layer, achieve the purpose that glass reinforced.
In table, annealing point, strain point use ASTM C336 standard methods to be tested with loaded elongate fiber method;Softening
Point is tested using the elongate fiber method of ASTM C338 standard methods.
Ultra-thin glass sample preparation:By glass former material with 57.1% SiO2,15.3% Al2O3,0.6% CaO, 4.6%
MgO, 15.2% Na2O, 2.0% K2O, 0.3% Li2O, 0.02% Rb2O, 3.0% ZrO2,0.8% TiO2,0.35% CeO2
, the proportioning of 0.6% WO3 is melted about 50 hours in kiln under the conditions of about 1750 DEG C of temperature and micro-positive pressure, through negative
Pressure, float glass process molding are cooled to 600 DEG C with the rate uniform of 35 DEG C/min, then cold with the rate uniform of 5 DEG C/min
But to 500 DEG C, 55 DEG C, after grinding and polishing finally are cooled to the rate uniform of 95 DEG C/min, in potassium nitrate fused salt
Chemical tempering is carried out in 470 DEG C of temperature to handle 6 hours, and the ultra-thin glass sample that thickness is 0.5mm is made.This is ultra-thin
Glass sample performance is as follows:817 DEG C of softening point, 589 DEG C of annealing point, 552 DEG C of strain point, strength of glass 889MPa.
Known by example, when containing tungsten oxide in glass, the intensity of glass will obviously increase;The intensity of glass also with
The increase of alumina content and increase;When containing a small amount of rubidium oxide in glass, the reinforcing effect of glass chemistry toughening can be increased
The compression of fruit, glass surface can reach 870MPa.
Above-described embodiment is the preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other any without departing from the substitute mode that should be equivalent is changed made by the present invention, it is included in the guarantor of the present invention
Within the scope of shield.
Claims (5)
1. a kind of silicate glass composition, which is characterized in that with oxide mass percentages, which forms such as
Under:
SiO2:50~58%, Al2O3:15.0~19.0%, CaO:0.2~1.5%, MgO:4.0~8.0%, Na2O :13.0~
18.0%, K2O :0~4.0%, Li2O :0~1.5%, Rb2O:0~0.15%, ZrO2:0~4.0%, TiO2:0~1.0%,
CeO2 :0~1.0%, WO3:0.01~1.5%, and in glass alkali metal oxide total content in 15.5≤Li2O +
Na2O + K2O + Rb2O≤18。
2. silicate glass composition according to claim 1, which is characterized in that the composition is by percentage to the quality
Composition is as follows:SiO2:51~57%, Al2O3:15.5~18.0%, CaO:0.3~1.2%, MgO:4.0~7.0%, Na2O :
13.5~17.0%, K2O:0.5~3.5%, Li2O :0~1.2%, Rb2O:0~0.15%, ZrO2:0.3~3.5%, TiO2:0
~0.8%, CeO2:0~1.0%, WO3:0.01~1.2%, and in glass alkali metal oxide total content 16.0≤
Li2O + Na2O + K2O+ Rb2O ≤17.5。
3. a kind of ultra-thin glass, it is characterised in that:The ultra-thin glass thickness is 0.1-1.3mm, and the ultra-thin glass is adopted
It is made of the silicate glass composition of claims 1 or 2.
4. ultra-thin glass according to claim 3, it is characterised in that:The ultra-thin glass after chemical tempering is strengthened,
Intensity is more than 870MPa.
5. the purposes of ultra-thin glass according to claim 4, it is characterised in that be used as cover sheet glass.
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JP6876902B2 (en) * | 2017-03-30 | 2021-05-26 | パナソニックIpマネジメント株式会社 | Manufacturing method of induction heating cooker and induction heating cooker |
CN107659679A (en) * | 2017-09-12 | 2018-02-02 | 江苏赛博宇华科技有限公司 | A kind of mobile phone terminal with Curved screen |
CN107935378B (en) * | 2017-10-24 | 2020-10-20 | 彩虹集团(邵阳)特种玻璃有限公司 | High-strength glass for display device and preparation method thereof |
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CN111333318A (en) * | 2020-03-05 | 2020-06-26 | 江苏骏益光电科技有限公司 | Glass composition for cover plate and preparation method of cover plate glass |
CN112592055A (en) * | 2020-12-24 | 2021-04-02 | 沙河市禾木新能源有限公司 | Ultrathin sodium-calcium silicate glass and preparation method thereof |
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CN102351421A (en) * | 2011-07-19 | 2012-02-15 | 彩虹集团公司 | Preparation method of alkali aluminosilicate glass used for protective cover plates for display parts |
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WO2005073141A1 (en) * | 2004-01-30 | 2005-08-11 | Nippon Sheet Glass Company, Limited | Glass article and method for production thereof |
CN102351421A (en) * | 2011-07-19 | 2012-02-15 | 彩虹集团公司 | Preparation method of alkali aluminosilicate glass used for protective cover plates for display parts |
CN102408193A (en) * | 2011-08-05 | 2012-04-11 | 河南安彩高科股份有限公司 | Glass composition, ultrathin glass prepared from glass composition, and preparation method and application of ultrathin glass |
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