A strengthened glass composition and method of making and using the same

Abstract

The present application relates to the technical field of glass, in particular to a kind of reinforced glass composition and its preparation method and application.Reinforced glass composition includes inorganic potassium salt and organic potassium salt, the molar ratio of the inorganic potassium salt and organic potassium salt is 1-3:1-2;The inorganic potassium salt is selected from at least one of potassium nitrate, potassium chloride, potassium sulfate, potassium sulfite, potassium phosphate, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, potassium hydroxide;The organic potassium salt is selected from at least one of potassium benzoate, potassium citrate, potassium sorbate.The reinforced glass composition provided by the present application includes specific organic potassium salt and inorganic potassium salt in specific proportion, when the reinforced glass composition is used for glass strengthening, the warping phenomenon of glass is significantly improved, and the strength of glass is also improved.

Description

Technical Field

[0001] This invention relates to the field of glass technology, and more specifically to a reinforced glass composition, its preparation method, and its application. Background Technology

[0002] The external structure is a key component of green building energy-saving technologies, while doors and windows are often weak links in building energy conservation. Insulating glass, as an energy-saving building material, is widely used due to its excellent heat and sound insulation properties. To ensure the safety of insulating glass, the flat glass used to manufacture it needs to possess certain mechanical strength and other properties. However, ordinary flat glass sheets produced by the float glass process have relatively low strength (generally 20-40 MPa) and cannot be directly used to manufacture insulating glass. They need to be strengthened to reach a certain strength before they can be used. For triple-glazed, double-cavity, or multi-cavity insulating glass, the interlayer glass needs to have certain resistance to load impact. Therefore, thin glass (thickness ≤ 2 mm) needs to be strengthened to improve its physical and mechanical properties before it can be used as the interlayer glass.

[0003] Chemical strengthening technology, also known as ion exchange technology, is widely used in construction, transportation, and industrial fields because it can form a compressive stress layer on the glass surface, improving the mechanical strength of the glass. The chemical strengthening process not only directly affects the properties of the chemically strengthened glass but also determines the energy consumption and cost during the strengthening process. Conventional ion exchange methods use potassium nitrate as the molten salt, in which K... + Ions can be completely ionized, and immersing glass in molten salt allows for rapid ion exchange. Insulating glass uses a thin glass interlayer, and this method chemically strengthens the thin glass. However, due to the difference in strength between the upper and lower surfaces after chemical strengthening, the glass may warp.

[0004] Therefore, in view of the problems of low strength of the interlayer glass used in the preparation of insulating glass and the warping of glass after chemical strengthening treatment, it is necessary to study the glass strengthening process. Summary of the Invention

[0005] In view of the problems of low strength of the interlayer glass in existing insulating glass and warping of the glass after chemical strengthening treatment, the present invention provides a strengthened glass composition, its preparation method and application.

[0006] To achieve the above-mentioned technical objectives, the present invention provides a reinforced glass composition comprising an inorganic potassium salt and an organic potassium salt, wherein the molar ratio of the inorganic potassium salt to the organic potassium salt is 1-3:1-2.

[0007] The inorganic potassium salt is selected from at least one of potassium nitrate, potassium chloride, potassium sulfate, potassium sulfite, potassium phosphate, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, and potassium hydroxide.

[0008] The organic potassium salt is selected from at least one of potassium benzoate, potassium citrate, and potassium sorbate.

[0009] Further, the reinforced glass composition comprises potassium sulfite, potassium hydroxide, and potassium sorbate; preferably, the molar ratio of potassium sulfite, potassium hydroxide, and potassium sorbate is 0.5-1:0.5-1:2.

[0010] The present invention also provides a method for preparing the above-mentioned reinforced glass composition, the method comprising taking an organic potassium salt and an inorganic potassium salt in the above molar ratio, mixing them, and thus obtaining the composition.

[0011] The present invention also provides the application of the above-mentioned strengthened glass composition or the strengthened glass composition prepared by the above-mentioned strengthened glass composition preparation method in glass strengthening.

[0012] The present invention also provides a chemical strengthening process for glass, which strengthens glass using a solvent method, a molten salt method, or a slurry method;

[0013] The solvent method includes mixing the above-mentioned strengthened glass composition or the strengthened glass composition prepared by the above-mentioned strengthened glass composition preparation method with solvent 1 to obtain a mixture, then coating the mixture onto the glass surface and drying it to obtain strengthened glass;

[0014] The molten salt method includes heating the above-mentioned strengthening glass composition or the strengthening glass composition prepared by the above-mentioned strengthening glass composition preparation method to obtain molten salt, coating the molten salt onto the glass surface, and drying to obtain strengthening glass.

[0015] The slurry method includes mixing the above-mentioned tempered glass composition or the tempered glass composition prepared by the above-mentioned tempered glass composition preparation method with solvent 2 and binder to obtain a mixture, coating the mixture onto the glass surface, and drying it to obtain tempered glass.

[0016] Further, in the solvent method, solvent 1 is selected from water and / or ethanol; and / or, the volume ratio of solvent 1 to the molar ratio of the tempered glass composition is 100-700 mL: 2-4 mol; and / or, the drying step includes first drying at a temperature of 80-170°C for 5-25 min, then raising the temperature to 220-300°C at a heating rate of 10-30°C / min, and holding at 220-300°C for 20-60 min.

[0017] Further, in the slurry method, the binder is selected from clay and / or diatomaceous earth; and / or, the solvent 2 is selected from water and / or ethanol; and / or, the molar ratio of the tempered glass composition, the volume of solvent 2, to the mass of the binder is 2-4 mol: 100-700 mL: 50-200 g; and / or, the drying step includes first drying at a temperature of 50-100°C for 20-50 min, then raising the temperature to 150-250°C at a heating rate of 8-25°C / min, and holding at 150-250°C for 60-120 min.

[0018] Further, in the molten salt method, the heating temperature is 240-430℃; and / or, the drying step includes first drying at a temperature of 80-170℃ for 5-20 minutes, then raising the temperature to 220-300℃ at a heating rate of 5-20℃ / min, and holding at 220-300℃ for 20-60 minutes.

[0019] Furthermore, the coating method in the solvent method, molten salt method, or slurry method is selected from at least one of brushing, printing, and spraying; and / or, in the solvent method, molten salt method, or slurry method, the drying process further includes cooling and cleaning steps.

[0020] The technical solution of the present invention has the following beneficial effects:

[0021] (1) The present invention provides a glass strengthening composition comprising an inorganic potassium salt and an organic potassium salt, wherein the molar ratio of the inorganic potassium salt to the organic potassium salt is 1-3:1-2; the inorganic potassium salt is selected from at least one of potassium nitrate, potassium chloride, potassium sulfate, potassium sulfite, potassium phosphate, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, and potassium hydroxide; the organic potassium salt is selected from at least one of potassium benzoate, potassium citrate, and potassium sorbate. The glass strengthening composition provided by the present invention comprises a specific ratio of organic potassium salt and inorganic potassium salt, and uses at least one of potassium benzoate, potassium citrate, and potassium sorbate as the organic potassium salt, and at least one of potassium nitrate, potassium chloride, potassium sulfate, potassium sulfite, potassium phosphate, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, and potassium hydroxide as the inorganic potassium salt. This allows the application of this glass strengthening composition to the strengthening of glass to not only improve the warping phenomenon of the strengthened glass but also increase the strength of the glass. The K in the inorganic potassium salt of the present invention... + The ions are easily ionized and then react with the Na+ on the glass surface. + In this invention, ion exchange is performed using inorganic potassium salts with lower melting points, which helps save energy. Secondly, the use of organic potassium salts with higher melting points prevents thermal decomposition and volatilization of the organic potassium salts during chemical fortification due to excessively low temperatures. Furthermore, the potassium in the organic potassium salts... +Since ions are not easily ionized, when mixed with inorganic potassium salts, the K+ in the inorganic potassium salts undergoes ion exchange. + Ions and Na in glass + Ions first undergo exchange; as ion exchange proceeds, the K+ in the inorganic potassium salt... + Ions enter the glass surface, at which point the K in the organic potassium salt... + The ions ionize and continue to react with Na + Ions exchange occurs, thereby strengthening the glass.

[0022] (2) The chemical strengthening process for glass provided by this invention involves ion exchange at temperatures of 300°C or below using solvent, molten salt, or slurry methods. Since this temperature range is below the glass transition temperature, the ion exchange process can proceed slowly, further reducing glass warping. Secondly, the chemical strengthening process of this invention is simple, requires low investment, consumes little energy, and offers flexible production methods. When chemically strengthening glass, it is not necessary to immerse the glass in a solution to strengthen large areas of glass exceeding 1.5m × 2.0m. Finally, after the chemical strengthening treatment, the products generated on the glass surface are soluble in water or ethanol. Residues can be removed simply by washing the glass surface with deionized water or ethanol, simplifying the chemical strengthening process and reducing production costs. The chemical strengthening process of this invention does not produce harmful substances and does not pose a threat to the environment.

[0023] (3) The present invention provides a tempered glass composition, which further improves the strength of chemically strengthened glass by limiting the tempered glass composition to include potassium sulfite, potassium hydroxide and potassium sorbate. Attached Figure Description

[0024] To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the glass structure used in the glass warpage test in Experiment Example 1 of this invention.

[0026] Figure label:

[0027] h is the height of the arc; L is the length of the chord. Detailed Implementation

[0028] The following embodiments are provided to better understand the present invention and are not limited to the preferred embodiments described. They do not constitute a limitation on the content and scope of protection of the present invention. Any product that is the same as or similar to the present invention, derived by any person under the guidance of the present invention or by combining the features of the present invention with other prior art, falls within the protection scope of the present invention.

[0029] For experiments not specifically described in the examples, the procedures or conditions should be followed according to the conventional experimental procedures described in the literature in this field. Reagents or instruments whose manufacturers are not specified are all commercially available conventional reagent products.

[0030] Example 1

[0031] This embodiment provides a reinforced glass composition and its preparation method, comprising: taking 0.5 mol of potassium sulfite, 0.5 mol of potassium hydroxide and 2 mol of potassium sorbate according to the molar ratio of inorganic potassium salt to organic potassium salt of 1:2 and mixing them to prepare the reinforced glass composition.

[0032] This embodiment also provides a chemical strengthening process for glass, including adding the above-mentioned glass strengthening composition to 600 mL of water, mixing to obtain a mixture, brushing the mixture onto the glass surface and drying it at 120°C for 20 min, then raising the temperature to 250°C at a heating rate of 15°C / min, holding it at 250°C for 30 min, and then washing off the surface residue with water after natural cooling to obtain the glass strengthening process.

[0033] Example 2

[0034] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 1.

[0035] This embodiment also provides a chemical strengthening process for glass. The process parameters and methods are basically the same as in Embodiment 1, except that "holding at 250°C for 30 minutes" is replaced with "holding at 300°C for 30 minutes".

[0036] Example 3

[0037] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 1.

[0038] This embodiment also provides a chemical strengthening process for glass. The process parameters and methods are basically the same as in Embodiment 1, except that "holding at 250°C for 30 minutes" is replaced with "holding at 250°C for 60 minutes".

[0039] Example 4

[0040] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 1.

[0041] This embodiment also provides a chemical strengthening process for glass. The process parameters and methods are basically the same as in Embodiment 1, except that "holding at 250°C for 30 minutes" is replaced with "holding at 300°C for 60 minutes".

[0042] Example 5

[0043] This embodiment provides a reinforced glass composition and its preparation method, comprising taking 1 mol of potassium sulfite and 2 mol of potassium citrate according to the molar ratio of inorganic potassium salt to organic potassium salt of 1:2 and mixing them to prepare the reinforced glass composition.

[0044] This embodiment also provides a chemical strengthening process for glass, with the same process parameters and methods as in Embodiment 1.

[0045] Example 6

[0046] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 5.

[0047] This embodiment also provides a chemical strengthening process for glass, with the same process parameters and methods as in Embodiment 2.

[0048] Example 7

[0049] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 5.

[0050] This embodiment also provides a chemical strengthening process for glass, with the same process parameters and methods as in Embodiment 3.

[0051] Example 8

[0052] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 5.

[0053] This embodiment also provides a chemical strengthening process for glass, with the same process parameters and methods as in Embodiment 4.

[0054] Example 9

[0055] This embodiment provides a reinforced glass composition and its preparation method, comprising taking 1 mol each of potassium sulfite, potassium citrate and potassium benzoate according to the molar ratio of inorganic potassium salt to organic potassium salt of 1:2 and mixing them to prepare a reinforced glass composition.

[0056] This embodiment also provides a chemical strengthening process for glass, with the same process parameters and methods as in Embodiment 1.

[0057] Example 10

[0058] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 9.

[0059] This embodiment also provides a chemical strengthening process for glass, with the same process parameters and methods as in Embodiment 2.

[0060] Example 11

[0061] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 9.

[0062] This embodiment also provides a chemical strengthening process for glass, with the same process parameters and methods as in Embodiment 3.

[0063] Example 12

[0064] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 9.

[0065] This embodiment also provides a chemical strengthening process for glass, with the same process parameters and methods as in Embodiment 4.

[0066] Example 13

[0067] This embodiment provides a reinforced glass composition and its preparation method, comprising: taking 0.6 mol of potassium sulfite, 1.2 mol of potassium hydroxide and 1.2 mol of potassium citrate according to the molar ratio of inorganic potassium salt to organic potassium salt of 3:2 and mixing them to prepare the reinforced glass composition.

[0068] This embodiment also provides a chemical strengthening process for glass, including mixing the above-mentioned glass strengthening composition with 600 mL of water and 100 g of clay to obtain a mixture, brushing the mixture onto the glass surface and drying it at 80°C for 20 min, then raising the temperature to 150°C at a heating rate of 10°C / min, holding it at 150°C for 60 min, and then washing off the surface residue with water after natural cooling to obtain the glass strengthening process.

[0069] Example 14

[0070] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 13.

[0071] This embodiment also provides a chemical strengthening process for glass. The process parameters and methods are basically the same as in Embodiment 13, except that "holding at 150°C for 60 min" is replaced with "holding at 150°C for 120 min".

[0072] Example 15

[0073] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 13.

[0074] This embodiment also provides a chemical strengthening process for glass. The process parameters and methods are basically the same as in Embodiment 13, except that "holding at 150°C for 60 min" is replaced with "holding at 200°C for 60 min".

[0075] Example 16

[0076] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 13.

[0077] This embodiment also provides a chemical strengthening process for glass. The process parameters and methods are basically the same as those in Embodiment 13, except that "holding at 150°C for 60 min" is replaced with "holding at 200°C for 120 min".

[0078] Example 17

[0079] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 13.

[0080] This embodiment also provides a chemical strengthening process for glass. The process parameters and methods are basically the same as in Embodiment 13, except that "holding at 150°C for 60 minutes" is replaced with "holding at 250°C for 60 minutes".

[0081] Example 18

[0082] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 13.

[0083] This embodiment also provides a chemical strengthening process for glass. The process parameters and methods are basically the same as in Embodiment 13, except that "holding at 150°C for 60 min" is replaced with "holding at 250°C for 120 min".

[0084] Example 19

[0085] This embodiment provides a reinforced glass composition and its preparation method, which is the same as in Example 1.

[0086] This embodiment also provides a chemical strengthening process for glass, including heating the above-mentioned strengthening glass composition at 350°C to obtain molten salt, coating the molten salt onto the glass surface and drying it at 120°C for 20 minutes, then raising the temperature to 250°C at a heating rate of 10°C / min, holding it at 250°C for 30 minutes, cooling, and cleaning to obtain the strengthened glass.

[0087] Comparative Example 1

[0088] This comparative example provides a reinforced glass composition comprising 3 mol of potassium nitrate.

[0089] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 1.

[0090] Comparative Example 2

[0091] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 1.

[0092] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 2.

[0093] Comparative Example 3

[0094] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 1.

[0095] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 3.

[0096] Comparative Example 4

[0097] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 1.

[0098] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 4.

[0099] Comparative Example 5

[0100] This comparative example provides a reinforced glass composition, comprising taking 1.5 mol of potassium nitrate and 1.5 mol of potassium chloride and mixing them to prepare the reinforced glass composition.

[0101] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 1.

[0102] Comparative Example 6

[0103] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 5.

[0104] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 2.

[0105] Comparative Example 7

[0106] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 5.

[0107] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 3.

[0108] Comparative Example 8

[0109] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 5.

[0110] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 4.

[0111] Comparative Example 9

[0112] This comparative example provides a reinforced glass composition, comprising taking 1.5 mol of potassium citrate and 1.5 mol of potassium benzoate and mixing them to prepare the reinforced glass composition.

[0113] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 1.

[0114] Comparative Example 10

[0115] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 9.

[0116] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 2.

[0117] Comparative Example 11

[0118] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 9.

[0119] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 3.

[0120] Comparative Example 12

[0121] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 9.

[0122] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 4.

[0123] Comparative Example 13

[0124] This comparative example provides a reinforced glass composition, comprising taking 1.5 mol of potassium sorbate and 1.5 mol of potassium citrate and mixing them to prepare the reinforced glass composition.

[0125] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 1.

[0126] Comparative Example 14

[0127] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 13.

[0128] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 2.

[0129] Comparative Example 15

[0130] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 13.

[0131] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 3.

[0132] Comparative Example 16

[0133] This comparative example provides a reinforced glass composition, which is the same as that in Comparative Example 13.

[0134] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 4.

[0135] Comparative Example 17

[0136] This comparative example provides a reinforced glass composition, comprising mixing 1 mol of potassium sulfite and 2 mol of potassium ethoxide to prepare the reinforced glass composition.

[0137] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 1.

[0138] Comparative Example 18

[0139] This comparative example provides a reinforced glass composition, comprising mixing 0.6 mol of potassium sulfite and 2.4 mol of potassium citrate to prepare the reinforced glass composition.

[0140] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 1.

[0141] Comparative Example 19

[0142] This comparative example provides a reinforced glass composition, comprising mixing 2.4 mol of potassium sulfite and 0.6 mol of potassium citrate to prepare the reinforced glass composition.

[0143] This comparative example also provides a chemical strengthening process for glass, with the same process parameters and methods as in Example 1.

[0144] Experimental Example 1

[0145] This experimental example demonstrates the surface stress test or glass warpage test performed on the chemically strengthened glasses prepared in Examples 1-19 and Comparative Examples 1-19.

[0146] Surface stress test method: The test shall be conducted in accordance with GB / T18144-2008 Test Method for Glass Stress.

[0147] Glass warpage test method: After chemically strengthened glass is placed at room temperature for 4 hours, the height h of the arc and the length L of the chord are measured using a feeler gauge. The glass warpage is expressed as a percentage of the ratio of the arc height to the chord length. A schematic diagram of the arc height h and the chord length L is shown below. Figure 1 .

[0148] The surface stress test results are shown in Table 1 below. Compared with Comparative Examples 9-18, the chemically strengthened glasses prepared in Examples 1-19 all exhibited higher strength, with surface stresses ranging from 83 to 140 MPa. Among them, compared with Examples 5-12, Examples 1-4 used potassium sulfite: potassium hydroxide: potassium sorbate = 0.5:0.5:2 as the strengthening glass composition, which further improved the surface stress of the chemically strengthened glass, with Example 1 being the best.

[0149] Table 1 Test Results

[0150]

[0151]

[0152] The warpage test results are shown in Table 2 below. Compared with Comparative Examples 1-8 and 17-19, the warpage of the chemically strengthened glass prepared in Examples 1-19 is between 0.11-0.28%, and the warpage phenomenon has been greatly improved.

[0153] Table 2 Results of Warpage Measurement

[0154]

[0155] Experiment Example 2

[0156] This experimental example tests the compressive stress layer thickness of the chemically strengthened glass prepared in Examples 1-18 and Comparative Examples 1-16. The test was conducted according to the method for testing the compressive stress layer thickness in "Chemical Tempered Glass" (JC / T 977-2005).

[0157] The test results are shown in Table 3 below. The compressive stress layer thickness of the chemically strengthened glass prepared in Examples 1-18 is relatively small, which meets the requirements for the interlayer glass of insulated glass, namely, it meets the Class A requirements in the standard "Chemical Tempered Glass" (JC / T977-2005), 12μm < compressive stress layer thickness ≤ 25μm, which can ensure the safety of the interlayer glass and guarantee the surface structure and safety of the interlayer glass.

[0158] Table 3 Measurement Results

[0159]

[0160]

[0161] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.

Claims

1. A tempered glass composition, characterized in that, It includes inorganic potassium salts and organic potassium salts, wherein the molar ratio of the inorganic potassium salt to the organic potassium salt is 1-3:1-2; The inorganic potassium salt is selected from at least one of potassium nitrate, potassium chloride, potassium sulfate, potassium sulfite, potassium phosphate, dipotassium hydrogen phosphate, potassium dihydrogen phosphate, and potassium hydroxide. The organic potassium salt is selected from at least one of potassium benzoate, potassium citrate, and potassium sorbate.

2. The strengthened glass composition according to claim 1, characterized in that, The reinforced glass composition includes potassium sulfite, potassium hydroxide, and potassium sorbate.

3. The reinforced glass composition according to claim 2, characterized in that, The molar ratio of potassium sulfite, potassium hydroxide and potassium sorbate is 0.5-1:0.5-1:

2.

4. A method for preparing a reinforced glass composition according to any one of claims 1-3, characterized in that, The preparation method includes taking organic potassium salt and inorganic potassium salt according to the above molar ratio, mixing them, and then obtaining the product.

5. The application of a strengthened glass composition according to any one of claims 1-3 or the method for preparing the strengthened glass composition according to claim 4 in glass strengthening.

6. A chemical strengthening process for glass, characterized in that, Glass can be strengthened using solvent methods, molten salt methods, or slurry methods. The solvent method includes mixing the strengthened glass composition according to any one of claims 1-3 or the strengthened glass composition according to claim 3 prepared by the method of preparing the strengthened glass composition with solvent 1 to obtain a mixture, and then coating the mixture onto the glass surface and drying it to obtain strengthened glass. The molten salt method includes heating the strengthened glass composition according to any one of claims 1-3 or the strengthened glass composition prepared by the method of claim 3 to obtain molten salt, coating the molten salt onto the glass surface, and drying to obtain strengthened glass. The slurry method includes mixing the strengthened glass composition according to any one of claims 1-3 or the strengthened glass composition prepared by the method of claim 3 with solvent 2 and binder to obtain a mixture, coating the mixture onto the glass surface, and drying to obtain strengthened glass.

7. The chemical strengthening process for glass according to claim 6, characterized in that, In the solvent method, solvent 1 is selected from water and / or ethanol; and / or, the volume ratio of solvent 1 to the molar ratio of the tempered glass composition is 100-700 mL: 2-4 mol; and / or, the drying step includes first drying at a temperature of 80-170°C for 5-25 min, then raising the temperature to 220-300°C at a heating rate of 10-30°C / min, and holding at 220-300°C for 20-60 min.

8. The chemical strengthening process for glass according to claim 6, characterized in that, In the slurry method, the binder is selected from clay and / or diatomaceous earth; and / or, the solvent 2 is selected from water and / or ethanol; and / or, the molar ratio of the tempered glass composition, the volume of solvent 2, to the mass of the binder is 2-4 mol: 100-700 mL: 50-200 g; and / or, the drying step includes first drying at a temperature of 50-100°C for 20-50 min, then raising the temperature to 150-250°C at a heating rate of 8-25°C / min, and holding at 150-250°C for 60-120 min.

9. The chemical strengthening process for glass according to any one of claims 6-8, characterized in that, In the molten salt method, the heating temperature is 240-430℃; and / or, the drying step includes first drying at a temperature of 80-170℃ for 5-20 minutes, then raising the temperature to 220-300℃ at a heating rate of 5-20℃ / min, and holding at 220-300℃ for 20-60 minutes.

10. The chemical strengthening process for glass according to any one of claims 6-8, characterized in that, The coating method in the solvent method, molten salt method, or slurry method is selected from at least one of brushing, printing, and spraying; and / or, in the solvent method, molten salt method, or slurry method, the drying process further includes cooling and cleaning steps.

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