CN105923995A - Ultrathin toughened glass and preparation method thereof - Google Patents

Ultrathin toughened glass and preparation method thereof Download PDF

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Publication number
CN105923995A
CN105923995A CN201610266671.1A CN201610266671A CN105923995A CN 105923995 A CN105923995 A CN 105923995A CN 201610266671 A CN201610266671 A CN 201610266671A CN 105923995 A CN105923995 A CN 105923995A
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glass
content
sio
ultra
preparation
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Inventor
李锦亮
李明飞
万永宁
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Dongguan Yintai Glass Co Ltd
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DONGGUAN CITY YINTONG GLASS Co Ltd
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Priority to CN201610266671.1A priority Critical patent/CN105923995A/en
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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
    • C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
    • C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
    • C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium

Abstract

The invention belongs to the field of chemical engineering synthesis, and concretely discloses an ultrathin toughened glass. The glass mainly comprises, by weight, 80-85% of SiO2, 4-6% of Al2O3, 15-22% of CaO, 3-5% of MgO and 19-20% of Na2O, and also comprises 0.003-0.010% of Fe2O3, 15% or more of K2O + Na2O, 0.5-0.7% of Sb2O3 and 1-2% of ZrO, wherein the content of Na2O is greater than the content of K2O. Above components undergo transverse conclusion connection under the guiding of B2O3 and ZnO to realize float process flow molding. The whole ultrathin glass has high drawing ability and enough toughness, can resist large impact and shock, and is convenient to move and use.

Description

A kind of ultra-thin toughness glass and preparation method thereof
Technical field
The present invention relates to chemical industry synthesis field, in particular to a kind of ultra-thin toughness glass and preparation method thereof.
Background technology
Existing ultra-thin glass many employings float glass process manufacturing when makes, and float glass process mostly is the when of making and is utilized by glass solution Gravity is self-assembling formation thin layer on stannum bed, and what this thin layer was formed is ultra-thin glass, owing to glass melts is under gravity state Naturally concluding, tissue spacing is big, and in conjunction with not tight, as easy as rolling off a log generation bubble also results in the toughness of glass to be reduced, and fragility increases Add so that ultra-thin glass is easy to break, cause cracking glasses, potential safety hazard occurs.
Summary of the invention
Present invention aim at providing a kind of ultra-thin toughness glass and preparation method thereof, exist improving existing ultra-thin toughness glass The problem that in manufacturing process, toughness is low.
For reaching above-mentioned purpose, the technical solution used in the present invention is:
A kind of ultra-thin toughness glass, the weight percent proportion of composing including described glass main constituent is: SiO2, 80%-85%；Al2O3, 4%-6%；CaO, 15%-22%；MgO, 3%-5%；Na2O, 19%-20%；Possibly together with gross mass percentage composition 0.003-0.010% Fe2O3, K2O+Na2O >=15%, Sb2O30.5-0.7% and ZrO1-2%, wherein Na2O content is higher than K2O content, Li2O:1-1.2%, ZnO:0.5-1%, B2O3: 1-1.5%；SiO2+B2O3+Al2O3For 30-35%, SiO2+Al2O3For 67-76%, MgO+CaO are 10-15%, Li2O+Na2O+K2O is 12-22%, and n (K2O)/n(Na2O) molar ratio is 0.4-0.6
Also include 2～3% clarifier, with NaCl as major ingredient in described clarifier recipe ingredient, be aided with SnO and K2SO4, wherein, The weight percent content of above component is: NaCl:89-94%, SnO:3-9%, K2SO4: 10-23%.
The present invention also provides for a kind of ultra-thin toughness glass glass preparation method, including:
A. material choice and preparation: be calculated as including the weight percent group of described glass main constituent with weight % according to the glass ingredient produced Proportional it is: SiO2, 80%-85%；Al2O3, 4%-6%；CaO, 15%-22%；MgO, 3%-5%；Na2O, 19%-20%； Fe possibly together with gross mass percentage composition 0.003-0.010%2O3, K2O+Na2O >=15%, Sb2O30.5-0.7% and ZrO1-2%, Wherein Na2O content is higher than K2O content, Li2O:1-1.2%, ZnO:0.5-1%, B2O3: 1-1.5%；SiO2+B2O3+Al2O3 For 30-35%, SiO2+Al2O3It is 10-15%, Li for 67-76%, MgO+CaO2O+Na2O+K2O is 12-22%, and n(K2O)/n(Na2O) molar ratio is 0.4-0.6, each raw material of accurate weighing,
B. feedstock transportation:
C. melt: raw material is melted under 1100-1200 DEG C of high temperature 10-12min, be cooled to addition 2～the glass clarifying of 3% when 750 DEG C Agent, then proceedes to be warming up to 1300-1500 DEG C and be incubated 20min, obtains fining glass liquid；In described clarifier recipe ingredient with NaCl is major ingredient, is aided with SnO and K2SO4, wherein, the weight percent content of above component is: NaCl:89-94%, SnO:3-9%, K2SO4: 10-23%；
D. shape: carry out in high-quality vitreous humour is flowed into molten tin bath shakeouing, opening up thin, polishing shaping；
E anneals: the glass plate of molding enters annealing kiln and anneals, and eliminates the temporary stress caused due to temperature difference, prepares glass plate；
F cuts into slices: with microtome, glass plate is cut into the sheet glass that thickness is 1～1.5mm；
G polishes: with burnishing device, sheet glass is polished, is polished to the glass substrate that thickness is 0.2～0.3mm.
Above-described ultra-thin toughness method for glass preparation, it is preferable that after vitreous humour enters stannum kiln, in the work that glass tape shakeouts In the skill stage, viscosity temperature is 102 . 5Pa Sec to 102 . 6Pa Sec.
Above-described ultra-thin toughness method for glass preparation, it is preferable that possibly together with FeO in glass, FeO accounts for FeO and Fe2O3 The 24-27% of gross mass.
Above-described ultra-thin toughness method for glass preparation, it is preferable that visible transmission ratio (Tv) is more than 60%, and sunlight is straight Connect transmittance (Te) less than 30%.
Beneficial effects of the present invention: the present invention is by mixing raw material, and the raw material after mixing, heating when, makes Obtain the mutual component between raw material, at B2O3 HesUnder the guiding of ZnO, under the effect except gravity, also there is horizontal conclusion Connect so that whole ultra-thin glass is even with float glass process flowing forming, and whole ultra-thin glass also has higher tractive ability and foot Enough toughness, it is possible to resist bigger impact and vibrations, it is simple to mobile and use.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme of the present invention is further described.
Embodiment 1:
A kind of ultra-thin toughness glass, the weight percent proportion of composing including described glass main constituent is: SiO2, 80%；Al2O3, 4%； CaO, 15%；MgO, 3%；Na2O, 19%；Fe possibly together with gross mass percentage composition 0.003%2O3, K2O+Na2O >=15%, Sb2O30.5% and ZrO1%, wherein Na2O content is higher than K2O content, Li2O:1%, ZnO:0.5%, B2O3: 1%；SiO2+B2O3+Al2O3It is 30%, SiO2+Al2O3Being 67%, MgO+CaO is 10%, Li2O+Na2O+K2O It is 12%, and n (K2O)/n(Na2O) molar ratio is 0.4
Also include 2% clarifier, with NaCl as major ingredient in described clarifier recipe ingredient, be aided with SnO and K2SO4, wherein, with The weight percent content of upper component is: NaCl:89%, SnO:3%, K2SO4: 10%.
A kind of ultra-thin toughness glass glass preparation method, including:
A. material choice and preparation: be calculated as including the weight percent group of described glass main constituent with weight % according to the glass ingredient produced Proportional it is: SiO2, 80%；Al2O3, 4%；CaO, 15%；MgO, 3%；Na2O, 19%；Possibly together with gross mass hundred Divide the Fe of content 0.003%2O3, K2O+Na2O >=15%, Sb2O30.5% and ZrO1%, wherein Na2O content is higher than K2O Content, Li2O:1%, ZnO:0.5%, B2O3: 1%；SiO2+B2O3+Al2O3It is 30%, SiO2+Al2O3It is 67%, MgO+CaO is 10%, Li2O+Na2O+K2O is 12%, and n (K2O)/n(Na2O) molar ratio is 0.4, and accurate weighing is each Raw material,
B. feedstock transportation:
C. melt: raw material is melted under 1100 DEG C of high temperature 10min, be cooled to when 750 DEG C add the glass fining agent of 2%, then continue Continue and be warming up to 1300 DEG C and be incubated 20min, obtain fining glass liquid；With NaCl as major ingredient in described clarifier recipe ingredient, It is aided with SnO and K2SO4, wherein, the weight percent content of above component is: NaCl:89%, SnO:3%, K2SO4: 10%；
D. shape: carry out in high-quality vitreous humour is flowed into molten tin bath shakeouing, opening up thin, polishing shaping；
E anneals: the glass plate of molding enters annealing kiln and anneals, and eliminates the temporary stress caused due to temperature difference, prepares glass plate；
F cuts into slices: with microtome, glass plate is cut into the sheet glass that thickness is 1mm；
G polishes: with burnishing device, sheet glass is polished, is polished to the glass substrate that thickness is 0.2mm.
Above-described ultra-thin toughness method for glass preparation, after vitreous humour enters stannum kiln, at the operation stage that glass tape shakeouts, Viscosity temperature is 102 . 5Pa Sec to 102 . 6Pa Sec.
Above-described ultra-thin toughness method for glass preparation, it is preferable that possibly together with FeO in glass, FeO accounts for FeO and Fe2O3 The 24% of gross mass.
Above-described ultra-thin toughness method for glass preparation, it is preferable that visible transmission ratio (Tv) is more than 60%, and sunlight is straight Connect transmittance (Te) less than 30%.
Embodiment 2
A kind of ultra-thin toughness glass, the weight percent proportion of composing including described glass main constituent is: SiO2, 85%；Al2O3, 6%； CaO, 22%；MgO, 5%；Na2O, 20%；Fe possibly together with gross mass percentage composition 0.010%2O3, K2O+Na2O >=15%, Sb2O30.7% and ZrO2%, wherein Na2O content is higher than K2O content, Li2O:1.2%, ZnO:1%, B2O3: 1.5%；SiO2+B2O3+Al2O3It is 35%, SiO2+Al2O3Being 76%, MgO+CaO is 15%, Li2O+Na2O+K2O It is 22%, and n (K2O)/n(Na2O) molar ratio is 0.6
Also include 3% clarifier, with NaCl as major ingredient in described clarifier recipe ingredient, be aided with SnO and K2SO4, wherein, with The weight percent content of upper component is: NaCl:94%, SnO:9%, K2SO4: 23%.
A kind of ultra-thin toughness glass glass preparation method, including:
A. material choice and preparation: be calculated as including the weight percent group of described glass main constituent with weight % according to the glass ingredient produced Proportional it is: SiO2, 85%；Al2O3, 6%；CaO, 22%；MgO, 5%；Na2O, 20%；Possibly together with gross mass hundred Divide the Fe of content 0.010%2O3, K2O+Na2O >=15%, Sb2O30.7% and ZrO2%, wherein Na2O content is higher than K2O Content, Li2O:1.2%, ZnO:1%, B2O3: 1.5%；SiO2+B2O3+Al2O3It is 35%, SiO2+Al2O3It is 76%, MgO+CaO is 15%, Li2O+Na2O+K2O is 22%, and n (K2O)/n(Na2O) molar ratio is 0.6, and accurate weighing is each Raw material,
B. feedstock transportation:
C. melt: raw material is melted under 1200 DEG C of high temperature 12min, be cooled to when 750 DEG C add the glass fining agent of 3%, then continue Continue and be warming up to 1500 DEG C and be incubated 20min, obtain fining glass liquid；With NaCl as major ingredient in described clarifier recipe ingredient, It is aided with SnO and K2SO4, wherein, the weight percent content of above component is: NaCl:94%, SnO:9%, K2SO4: 23%；
D. shape: carry out in high-quality vitreous humour is flowed into molten tin bath shakeouing, opening up thin, polishing shaping；
E anneals: the glass plate of molding enters annealing kiln and anneals, and eliminates the temporary stress caused due to temperature difference, prepares glass plate；
F cuts into slices: with microtome, glass plate is cut into the sheet glass that thickness is 1.5mm；
G polishes: with burnishing device, sheet glass is polished, is polished to the glass substrate that thickness is 0.3mm.
Above-described ultra-thin toughness method for glass preparation, it is preferable that after vitreous humour enters stannum kiln, in the work that glass tape shakeouts In the skill stage, viscosity temperature is 102 . 5Pa Sec to 102.6Pa Sec.
Above-described ultra-thin toughness method for glass preparation, it is preferable that possibly together with FeO in glass, FeO accounts for FeO and Fe2O3 The 27% of gross mass.
Above-described ultra-thin toughness method for glass preparation, it is preferable that visible transmission ratio (Tv) is more than 60%, and sunlight is straight Connect transmittance (Te) less than 30%.
Embodiment 3
A kind of ultra-thin toughness glass, it is characterised in that the weight percent proportion of composing including described glass main constituent is: SiO2, 83%； Al2O3, 5%；CaO, 18%；MgO, 4%；Na2O, 19.5%；Fe possibly together with gross mass percentage composition 0.008%2O3, K2O+Na2O >=15%, Sb2O30.6% and ZrO1.5%, wherein Na2O content is higher than K2O content, Li2O:1.1%, ZnO: 0.8%, B2O3: 1.2%；SiO2+B2O3+Al2O3It is 33%, SiO2+Al2O3Being 68%, MgO+CaO is 13%, Li2O+Na2O+K2O is 18%, and n (K2O)/n(Na2O) molar ratio is 0.5
Also include 2.5% clarifier, with NaCl as major ingredient in described clarifier recipe ingredient, be aided with SnO and K2SO4, wherein, The weight percent content of above component is: NaCl:91%, SnO:8%, K2SO4: 19%.
A kind of ultra-thin toughness glass glass preparation method, including:
A. material choice and preparation: be calculated as including the weight percent group of described glass main constituent with weight % according to the glass ingredient produced Proportional it is: SiO2, 83%；Al2O3, 5%；CaO, 18%；MgO, 4%；Na2O, 19.5%；Possibly together with gross mass The Fe of percentage composition 0.008%2O3, K2O+Na2O >=15%, Sb2O30.6% and ZrO1.5%, wherein Na2O content is higher than K2O content, Li2O:1.1%, ZnO:0.8%, B2O3: 1.2%；SiO2+B2O3+Al2O3It is 33%, SiO2+Al2O3 Being 68%, MgO+CaO is 13%, Li2O+Na2O+K2O is 18%, and n (K2O)/n(Na2O) molar ratio is 0.5, essence Really weigh each raw material,
B. feedstock transportation:
C. melt: raw material is melted under 1150 DEG C of high temperature 11min, be cooled to when 750 DEG C add the glass fining agent of 2.5%, then It is continuously heating to 1400 DEG C and is incubated 20min, obtaining fining glass liquid；With NaCl as major ingredient in described clarifier recipe ingredient, It is aided with SnO and K2SO4, wherein, the weight percent content of above component is: NaCl:91%, SnO:8%, K2SO4: 19%.
D. shape: carry out in high-quality vitreous humour is flowed into molten tin bath shakeouing, opening up thin, polishing shaping；
E anneals: the glass plate of molding enters annealing kiln and anneals, and eliminates the temporary stress caused due to temperature difference, prepares glass plate；
F cuts into slices: with microtome, glass plate is cut into the sheet glass that thickness is 1.2mm；
G polishes: with burnishing device, sheet glass is polished, is polished to the glass substrate that thickness is 0.25mm.
Above-described ultra-thin toughness method for glass preparation, after vitreous humour enters stannum kiln, at the operation stage that glass tape shakeouts, Viscosity temperature is 102 . 5Pa Sec to 102 . 6Pa Sec.
Above-described ultra-thin toughness method for glass preparation, possibly together with FeO in glass, FeO accounts for FeO and Fe2O3Gross mass 25%.
Above-described ultra-thin toughness method for glass preparation, it is seen that transmittance (Tv) is more than 60%, the direct transmittance of sunlight (Te) less than 30%.
Detecting the major parameter of the ultra-thin toughness glass obtained by embodiment 1-3 respectively, test result is as follows:
Embodiment 1 Embodiment 2 Embodiment 3
Light transmittance 76.1 78.9 84.3
Intensity 43.4 47.1 48.6
Toughness 45.3 48.7 49.2
Bubble Trace Trace Trace

Claims (5)

1. a ultra-thin toughness glass, it is characterised in that the weight percent proportion of composing including described glass main constituent is: SiO2, 80%-85%；Al2O3, 4%-6%；CaO, 15%-22%；MgO, 3%-5%；Na2O, 19%-20%；Possibly together with total matter The Fe of amount percentage composition 0.003-0.010%2O3, K2O+Na2O >=15%, Sb2O30.5-0.7% and ZrO1-2%, wherein Na2O Content is higher than K2O content, Li2O:1-1.2%, ZnO:0.5-1%, B2O3: 1-1.5%；SiO2+B2O3+Al2O3For 30-35%, SiO2+Al2O3It is 10-15%, Li for 67-76%, MgO+CaO2O+Na2O+K2O is 12-22%, and n (K2O)/n(Na2O) Molar ratio is 0.4-0.6 Also include 2～3% clarifier, with NaCl as major ingredient in described clarifier recipe ingredient, be aided with SnO and K2SO4, wherein, The weight percent content of above component is: NaCl:89-94%, SnO:3-9%, K2SO4: 10-23%.
2. a ultra-thin toughness glass glass preparation method, it is characterised in that including:
A. material choice and preparation: be calculated as including the weight percent group of described glass main constituent with weight % according to the glass ingredient produced Proportional it is: SiO2, 80%-85%；Al2O3, 4%-6%；CaO, 15%-22%；MgO, 3%-5%；Na2O, 19%-20%； Fe possibly together with gross mass percentage composition 0.003-0.010%2O3, K2O+Na2O >=15%, Sb2O30.5-0.7% and ZrO1-2%, Wherein Na2O content is higher than K2O content, Li2O:1-1.2%, ZnO:0.5-1%, B2O3: 1-1.5%；SiO2+B2O3+Al2O3 For 30-35%, SiO2+Al2O3It is 10-15%, Li for 67-76%, MgO+CaO2O+Na2O+K2O is 12-22%, and n(K2O)/n(Na2O) molar ratio is 0.4-0.6, each raw material of accurate weighing,
B. feedstock transportation:
C. melt: raw material is melted under 1100-1200 DEG C of high temperature 10-12min, be cooled to addition 2～the glass clarifying of 3% when 750 DEG C Agent, then proceedes to be warming up to 1300-1500 DEG C and be incubated 20min, obtains fining glass liquid；In described clarifier recipe ingredient with NaCl is major ingredient, is aided with SnO and K2SO4, wherein, the weight percent content of above component is: NaCl:89-94%, SnO:3-9%, K2SO4: 10-23%；
D. shape: carry out in high-quality vitreous humour is flowed into molten tin bath shakeouing, opening up thin, polishing shaping；
E anneals: the glass plate of molding enters annealing kiln and anneals, and eliminates the temporary stress caused due to temperature difference, prepares glass plate；
F cuts into slices: with microtome, glass plate is cut into the sheet glass that thickness is 1～1.5mm；
G polishes: with burnishing device, sheet glass is polished, is polished to the glass substrate that thickness is 0.2～0.3mm.
Ultra-thin toughness method for glass preparation the most according to claim 1, it is characterised in that: after vitreous humour enters stannum kiln, at glass The operation stage that band shakeouts, viscosity temperature is 102 . 5Pa Sec to 102 . 6Pa Sec.
Ultra-thin toughness method for glass preparation the most according to claim 1, it is characterised in that: possibly together with FeO in glass, FeO accounts for FeO and Fe2O3The 24-27% of gross mass.
Ultra-thin toughness method for glass preparation the most according to claim 1, it is characterised in that: visible transmission ratio (Tv) is more than 60%, The direct transmittance of sunlight (Te) is less than 30%.
CN201610266671.1A 2016-04-26 2016-04-26 Ultrathin toughened glass and preparation method thereof Pending CN105923995A (en)

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CN113526865A (en) * 2020-04-17 2021-10-22 Ａｇｃ株式会社 Aluminosilicate glass and method for producing same

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