CN108996920A - A kind of glass tempering liquid and glass rigidifying processing method - Google Patents
A kind of glass tempering liquid and glass rigidifying processing method Download PDFInfo
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- CN108996920A CN108996920A CN201810834134.1A CN201810834134A CN108996920A CN 108996920 A CN108996920 A CN 108996920A CN 201810834134 A CN201810834134 A CN 201810834134A CN 108996920 A CN108996920 A CN 108996920A
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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
- C03C21/002—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
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Abstract
The invention discloses a kind of glass tempering liquid, raw material includes: 65-80 parts of potassium nitrate, 5-15 parts of diethanol amine borates, 5-8 parts of N methyldiethanol amines, 2-8 parts of cerous nitrates, 3-5 parts of magnesia by weight；The invention also discloses a kind of glass rigidifying processing methods to include the following steps: S1, handles preheating glass；S2, the obtained Preheat glass of step S1 is immersed in the described in any item glass rigidifying liquid of claim 1-4, strengthening temperature is 380-420 DEG C, insulation reaction；S3, the obtained strengthened glass of step S2 is made annealing treatment, it is air-cooled to obtain tempered glass.Present invention optimizes the components and dosage of glass rigidifying liquid, shorten enhanced time, while significantly increasing stress layer depth, improve the surface strength of glass.
Description
Technical field
The present invention relates to glass tempering technology field more particularly to a kind of glass tempering liquid and glass rigidifying processing sides
Method.
Background technique
Chemical tempering (also referred to as ion exchange) can effectively improve glass surface stress and its bending strength, be thin glass
And its one of effective intensifying method of product, concrete principle are to promote glass in the tempering liquid being immersed in glass under molten condition
The sodium ion on glass surface is exchanged with the potassium ion in potash fertilizer slot.But existing chemically toughened glass production cycle length is (when exchange
Between be up to tens of hours), low efficiency increases high production cost, and its performance is unstable, and glass surface easily occurs greatly after reinforcing
Micro-crack is measured, stress is easily caused and concentrates and glass is caused to rupture, seriously affected the tensile strength of glass.
Summary of the invention
The invention proposes a kind of glass tempering liquid and glass rigidifying processing methods, optimize the component of glass rigidifying liquid
And dosage, enhanced time is shortened, while significantly increasing stress layer depth, improves the surface strength of glass.
A kind of glass tempering liquid proposed by the present invention, raw material include: 65-80 parts of potassium nitrate, 5-15 part two by weight
Ethanol amine borate, 5-8 part N methyldiethanol amine, 2-8 parts of cerous nitrates, 3-5 parts of magnesia.
Preferably, raw material includes: 70-75 parts of potassium nitrate, 8-13 parts of diethanol amine borates, 6-7 parts of N- by weight
Methyl diethanolamine, 3-6 part cerous nitrate, 4-4.5 parts of magnesia.
Preferably, raw material is by further including Al2O3And Sb2O3,
Preferably, Al2O3Weight percent in glass rigidifying liquid is 2-4%, Sb2O3Weight in glass rigidifying liquid
Amount percentage is 0.5-3%.
A kind of glass rigidifying processing method, includes the following steps:
S1, preheating glass is handled；
S2, the obtained Preheat glass of step S1 is immersed in the described in any item glass rigidifying liquid of claim 1-4, strengthened
Temperature is 380-420 DEG C, insulation reaction；
S3, the obtained strengthened glass of step S2 is made annealing treatment, it is air-cooled to obtain tempered glass.
Preferably, in step S1, preheating glass temperature is 630-680 DEG C.
Preferably, in step S2, the insulation reaction time is 2-5h.
Preferably, in step S3, annealing temperature is 200-290 DEG C.
Preferably, annealing time 1-3h.
Diethanol amine borate and N methyldiethanol amine cooperate in tempering liquid of the present invention, so that polar group is in glass
Glass adsorption, non-polar group align to form protective film, effectively increase K+And Na+The exchange velocity of ion, in addition,
Hydroxyl and glass surface silicon oxygen bond in diethanol amine borate interact so that ion exchange channels expand；Cerous nitrate one
The oxygen of nitrate anion pyrolytic generation is fallen in aspect energy fast reaction, and avoiding oxygen in the deposition of glass surface influences ion
Answer speed in exchange side；On the other hand, obtained tetravalence Ce after cerous nitrate and oxidation4+With diethanol amine borate and N- methyl
Diethanol amine cooperation chelating can fill up the crackle that glass generates in strengthening process, effectively increase glass surface intensity；Oxidation
Magnesium has good heat resistance, chemical stability as activating oxide, improves glass strengthening effect.
In preferred technical solution, Al is added in glass tempering liquid2O3And magnesia, wherein Al2O3With magnesia
And the boric acid structure composite effect in diethanol amine borate, strengthening effect is further increased, due to cerous nitrate stability
The low content in tempering liquid is unsuitable excessively high, and Sb is added2O3The deposition of oxygen, while Sb are further reduced with cerous nitrate2O3Contain
Amount is unsuitable excessively high, otherwise can substantially lower glass transition temperature, influence the surface strength of glass.
Glass sample is immersed in progress tempering processing in the glass rigidifying liquid at a suitable temperature, can significantly improve
Reinforcing ion exchange process can be completed in the stress intensity of glass in the short period, suitable annealing temperature is cooperated to handle, due to
It is internal different with the coefficient of expansion on surface, a kind of compression stress is formed in glass surface, realizes change of the glass in annealing process
Enhancing is learned, strength of glass is increased substantially.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
A kind of glass rigidifying processing method, includes the following steps:
S1, by glass at 630 DEG C the pre-heat treatment；
S2, the Preheat glass for obtaining step S1 impregnate glass rigidifying liquid, and strengthening temperature is 380 DEG C, insulation reaction；
S3, the obtained strengthened glass of step S2 is made annealing treatment, it is air-cooled to obtain tempered glass；
Wherein, glass tempering liquid is by 65 parts of potassium nitrate, 15 parts of diethanol amine borates, 5 parts of N methyldiethanol amines, 8 parts
Cerous nitrate, 3 parts of magnesia compositions.
Embodiment 2
A kind of glass rigidifying processing method, includes the following steps:
S1, by glass at 680 DEG C the pre-heat treatment；
S2, the Preheat glass for obtaining step S1 impregnate glass rigidifying liquid, and strengthening temperature is 420 DEG C, insulation reaction 2h；
S3, the strengthened glass that step S2 is obtained is made annealing treatment at 200 DEG C, annealing time, which is that 60min is air-cooled, to be obtained
To tempered glass；
Wherein, glass tempering liquid is by 80 parts of potassium nitrate, 5 parts of diethanol amine borates, 8 parts of N methyldiethanol amines, 2 parts of nitre
Sour Asia cerium, 5 parts of magnesia compositions.
Embodiment 3
A kind of glass rigidifying processing method, includes the following steps:
S1, by glass at 650 DEG C the pre-heat treatment；
S2, the Preheat glass for obtaining step S1 impregnate glass rigidifying liquid, and strengthening temperature is 400 DEG C, insulation reaction 5h；
S3, the strengthened glass that step S2 is obtained is made annealing treatment at 290 DEG C, annealing time, which is that 180min is air-cooled, to be obtained
To tempered glass；
Wherein, glass tempering liquid is by potassium nitrate, diethanol amine borate, N methyldiethanol amine, cerous nitrate, oxidation
Magnesium, Al2O3And Sb2O3Composition, the weight of potassium nitrate, diethanol amine borate, N methyldiethanol amine, cerous nitrate, magnesia
Than for 70:13:6:6:4, potassium nitrate, diethanol amine borate, N methyldiethanol amine, cerous nitrate, magnesia total amount exist
The weight percent of glass tempering liquid is 97.5%, Al2O3It is 2%, Sb in the weight percent of glass tempering liquid2O3In glass
The weight percent of rigidifying liquid is 0.5%.
Embodiment 4
A kind of glass rigidifying processing method, includes the following steps:
S1, by glass at 660 DEG C the pre-heat treatment；
S2, the Preheat glass for obtaining step S1 impregnate glass rigidifying liquid, and strengthening temperature is 400 DEG C, insulation reaction 3h；
S3, the strengthened glass that step S2 is obtained is made annealing treatment at 250 DEG C, annealing time, which is that 150min is air-cooled, to be obtained
To tempered glass；
Wherein, glass tempering liquid is by potassium nitrate, diethanol amine borate, N methyldiethanol amine, cerous nitrate, oxidation
Magnesium, Al2O3And Sb2O3Composition, the weight of potassium nitrate, diethanol amine borate, N methyldiethanol amine, cerous nitrate, magnesia
Than for 75:8:7:3:4.5, potassium nitrate, diethanol amine borate, N methyldiethanol amine, cerous nitrate, magnesia total amount exist
The weight percent of glass tempering liquid is 93%, Al2O3It is 4%, Sb in the weight percent of glass tempering liquid2O3It is rigid in glass
The weight percent for changing liquid is 3%.
Embodiment 5
A kind of glass rigidifying processing method, includes the following steps:
S1, by glass at 660 DEG C the pre-heat treatment；
S2, the Preheat glass for obtaining step S1 impregnate glass rigidifying liquid, and strengthening temperature is 400 DEG C, insulation reaction 4h；
S3, the strengthened glass that step S2 is obtained is made annealing treatment at 260 DEG C, annealing time, which is that 120min is air-cooled, to be obtained
To tempered glass；
Wherein, glass tempering liquid is by potassium nitrate, diethanol amine borate, N methyldiethanol amine, cerous nitrate, oxidation
Magnesium, Al2O3And Sb2O3Composition, the weight of potassium nitrate, diethanol amine borate, N methyldiethanol amine, cerous nitrate, magnesia
Than for 73:10:6.5:5:4, the total amount of potassium nitrate, diethanol amine borate, N methyldiethanol amine, cerous nitrate and magnesia
It is 95%, Al in the weight percent of glass tempering liquid2O3It is 3%, Sb in the weight percent of glass tempering liquid2O3In glass
The weight percent of rigidifying liquid is 2%.
Reference examples 1
A kind of glass reinforced method, includes the following steps:
S1, by glass at 660 DEG C the pre-heat treatment；
S2, the Preheat glass for obtaining step S1 impregnate glass rigidifying liquid, and strengthening temperature is 400 DEG C, insulation reaction 3h；
S3, the strengthened glass that step S2 is obtained is made annealing treatment at 250 DEG C, annealing time, which is that 120min is air-cooled, to be obtained
To strengthened glass；
Wherein, glass reinforced liquid is by potassium nitrate, cerous nitrate, magnesia, Al2O3And Sb2O3Composition, potassium nitrate, nitric acid are sub-
Cerium, magnesia weight ratio be 75:3:4.5, potassium nitrate, cerous nitrate, magnesia total amount glass reinforced liquid weight hundred
Divide than being 93%, Al2O3It is 4%, Sb in the weight percent of glass reinforced liquid2O3It is in the weight percent of glass reinforced liquid
3%.
Reference examples 2
A kind of glass reinforced method, includes the following steps:
S1, by glass at 660 DEG C the pre-heat treatment；
S2, the Preheat glass for obtaining step S1 impregnate glass reinforced liquid, and strengthening temperature is 400 DEG C, insulation reaction 4h；
S3, the strengthened glass that step S2 is obtained is made annealing treatment at 260 DEG C, annealing time, which is that 120min is air-cooled, to be obtained
To strengthened glass；
Wherein, glass reinforced liquid is by potassium nitrate, diethanol amine borate, N methyldiethanol amine, magnesia, Al2O3With
Sb2O3Composition, potassium nitrate, diethanol amine borate, N methyldiethanol amine, magnesia weight ratio be 73:10:6.5:4, nitre
Sour potassium, diethanol amine borate, N methyldiethanol amine, magnesia total amount be in the weight percent of glass reinforced liquid
95%, Al2O3It is 3%, Sb in the weight percent of glass reinforced liquid2O3It is 2% in the weight percent of glass rigidifying liquid.
By glass reinforced side described in tempered glass made from glass rigidifying processing method described in embodiment 2-5 and reference examples
The progress of strengthened glass made from method is tested for the property and compares according to the performance indicator of glass, as a result as shown in the table:
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of glass tempering liquid, which is characterized in that its raw material includes: 65-80 parts of potassium nitrate, 5-15 parts of diethanols by weight
Amine borate, 5-8 part N methyldiethanol amine, 2-8 parts of cerous nitrates, 3-5 parts of magnesia.
2. glass tempering liquid according to claim 1, which is characterized in that its raw material includes: 70-75 parts of nitric acid by weight
Potassium, 8-13 parts of diethanol amine borates, 6-7 parts of N methyldiethanol amines, 3-6 parts of cerous nitrates, 4-4.5 parts of magnesia.
3. glass tempering liquid according to claim 1 or 2, which is characterized in that its raw material is by further including Al2O3And Sb2O3。
4. glass tempering liquid according to claim 1-3, which is characterized in that Al2O3Weight in glass rigidifying liquid
Amount percentage is 2-4%, Sb2O3Weight percent in glass rigidifying liquid is 0.5-3%.
5. a kind of glass rigidifying processing method, which comprises the steps of:
S1, preheating glass is handled；
S2, the obtained Preheat glass of step S1 is immersed in the described in any item glass rigidifying liquid of claim 1-4, strengthens temperature
It is 380-420 DEG C, insulation reaction；
S3, the obtained strengthened glass of step S2 is made annealing treatment, it is air-cooled to obtain tempered glass.
6. glass rigidifying processing method according to claim 5, which is characterized in that in step S1, preheating glass temperature is
630-680℃。
7. according to the glass rigidifying processing method of claim 5 or 6, which is characterized in that in step S2, the insulation reaction time is
2-5h。
8. according to any one of the claim 5-7 glass rigidifying processing method, which is characterized in that in step S3, annealing temperature
It is 200-290 DEG C.
9. according to any one of the claim 5-8 glass rigidifying processing method, which is characterized in that annealing time 1-3h.
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| CN201810834134.1A CN108996920A (en) | 2018-07-26 | 2018-07-26 | A kind of glass tempering liquid and glass rigidifying processing method |
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| CN201810834134.1A CN108996920A (en) | 2018-07-26 | 2018-07-26 | A kind of glass tempering liquid and glass rigidifying processing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112374768A (en) * | 2020-11-12 | 2021-02-19 | 江苏长欣车辆装备有限公司 | Toughened glass with excellent crushing state |
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| CN112374768A (en) * | 2020-11-12 | 2021-02-19 | 江苏长欣车辆装备有限公司 | Toughened glass with excellent crushing state |
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Application publication date: 20181214 |