CN110683764B - Glass powder for environment-friendly high-acid-resistance automobile glass slurry and preparation method thereof - Google Patents
Glass powder for environment-friendly high-acid-resistance automobile glass slurry and preparation method thereof Download PDFInfo
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- CN110683764B CN110683764B CN201911119127.4A CN201911119127A CN110683764B CN 110683764 B CN110683764 B CN 110683764B CN 201911119127 A CN201911119127 A CN 201911119127A CN 110683764 B CN110683764 B CN 110683764B
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Classifications
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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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
- C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
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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
- C03C12/00—Powdered glass; Bead compositions
-
- 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
- C03C4/00—Compositions for glass with special properties
- C03C4/20—Compositions for glass with special properties for chemical resistant glass
-
- 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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
- C03C8/20—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions containing titanium compounds; containing zirconium compounds
Abstract
The invention discloses glass powder for environment-friendly high-acid-resistance automobile glass slurry and a preparation method thereof, wherein the glass powder base material comprises the following components in percentage by mass: SiO 22 25‑35％，Bi2O3 30‑50％，Al2O3 0‑2％，ZnO 2‑10％，BaO 2‑5％，TiO2 1‑8％，Na2O 2‑10％，K2O 1‑8％，Li2O 3‑10％，Fe2O30 to 2 percent. The glass powder prepared by the invention has excellent performance, completely meets the environmental protection requirement and the European Union RoHS standard, and the glass slurry prepared by the glass powder has excellent performances of good blackness, good covering power and the like.
Description
Technical Field
The invention relates to glass powder for environment-friendly high-acid-resistance automobile glass slurry and a preparation method thereof, belonging to the technical field of environment-friendly high-acid-resistance glass powder.
Background
The automobile glass paste is a black glass paste printed on the edge of an automobile windshield or the surface of the whole windshield, and is mainly formed by uniformly grinding glass powder, inorganic pigment, ink mixing oil and an auxiliary agent. The flux in the paste is an important component in the automotive glass paste, and the properties of the glass powder determine various properties of the paste, such as expansion coefficient, sintering degree, strength, chemical corrosion resistance, adhesion resistance and the like. For example, the softening temperature of the glass frit determines the sintering temperature and time of the slurry; the compactness of a glass network formed after the glass powder is sintered and the reasonable proportion of the glass powder determine the acid and alkali resistance degree of the slurry. The use of lead-free black glazes is required by automotive glass manufacturers, a measure which is implemented according to environmental requirements. Acid rain caused by industrial pollution can corrode black glaze, and therefore, a more global acid resistance standard is established.
Chinese patent 201210137341.4 discloses an environment-friendly black glaze for automobile glass and a preparation method thereof, wherein the bismuth system glass powder is Bi2O3-SiO2-ZnO-B2O3System containing rare metal oxide V2O5And therefore the glass cost is high.
Chinese patent 201610105601.8 discloses an acid and alkali resistant environment-friendly slurry for automobile windshields and a preparation method thereof, wherein glass powder is Bi2O3-B2O3-SiO2Glass-containing powder and Nb2O5-ZnO-B2O3-SiO2Glass powder is prepared by the following steps of: 1, has excellent acid and alkali resistance, still contains high boron content, and has a complex preparation method.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the glass powder for the environment-friendly high-acid-resistance automobile glass paste and the preparation method thereof, the prepared glass powder has excellent performance and completely meets the environment-friendly requirement and the European Union RoHS standard, and the glass paste prepared by using the glass powder has excellent performances of good blackness, good covering power and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
1. the glass powder for the environment-friendly high-acid-resistance automobile glass slurry and the preparation method thereof are disclosed, wherein the glass powder base material comprises the following components in percentage by mass: SiO 22 25-35％，Bi2O3 30-50％，Al2O30-2％，ZnO 2-10％，BaO2-5％，TiO2 1-8％，Na2O 2-10％，K2O 1-8％，Li2O3-10％，Fe2O30-2％。
As a further improvement of the invention, the glass powder comprises the following raw materials in percentage by mass: SiO 2228％，Bi2O345％，ZnO 8％，BaO2％，TiO2 1％，Na2O 2％，K2O 8％，Li2O 4％，Fe2O32％。
2. The invention also provides a preparation method of the glass powder for the environment-friendly high-acid-resistance automobile glass slurry, which comprises the following steps:
(1) weighing the raw materials in sequence, and fully mixing the raw materials to obtain a mixture;
(2) melting the mixture obtained in the step (1) to obtain molten glass;
(3) performing water quenching on the glass liquid obtained in the step (2) and cooling to obtain a glass cullet block;
(4) transferring the broken glass blocks obtained in the step (3) into a ball mill for ball milling to obtain glass powder;
(5) and (4) drying the glass powder obtained in the step (4), and sieving the dried glass powder by using a screen to obtain finished glass powder for later use.
As a further improvement of the invention, the melting temperature in the step (2) is 1000-1200 ℃.
As a further improvement of the invention, the melting time in the step (2) is 30-50 min.
As a further improvement of the invention, the particle size and distribution of the glass powder in the step (4) are as follows: d50 is 1-2 μm, D90 is 2-4 μm, and D99 is 3-5 μm.
As a further improvement of the invention, the mesh number of the screen used in the step (4) is 250 meshes.
Compared with the prior art, the invention has the following advantages:
1. the glass powder for the automobile glass slurry prepared by the invention does not contain lead, boron and halogen, and completely meets the environmental protection requirement and the European Union RoHS standard.
2. The glass powder for the automobile glass slurry prepared by the invention has the performances of low softening temperature, high acid resistance and low expansion coefficient.
3. The automobile glass slurry prepared from the glass powder for the automobile glass slurry has excellent performances of good blackness and good covering power.
Detailed Description
The present invention is described in detail below with reference to examples, but it should be understood that the scope of the present invention is not limited by the examples.
Example 1
The glass powder for the environment-friendly high-acid-resistance automobile glass slurry comprises the following components in percentage by mass: SiO 22 25％，Bi2O3 50％，ZnO 5％，BaO3％，Na2O 4％，K2O 3％，Li2O5％，TiO25％。
The preparation method comprises the following steps:
(1) sequentially weighing the SiO2、Bi2O3、ZnO、BaO、Na2O、K2O、Li2O、TiO2And fully mixing to obtain a mixture;
(2) melting the mixture obtained in the step (1) at 1000 ℃ for 50min to obtain glass liquid;
(3) performing water quenching on the glass liquid obtained in the step (2) and cooling to obtain a glass cullet block;
(4) transferring the broken glass blocks obtained in the step (3) into a ball mill for ball milling to obtain glass powder, wherein the grain diameter and distribution of the obtained glass powder are as follows: d50 ═ 1.58 μm, D90 ═ 2.62 μm, and D99 ═ 3.5 μm.
(5) And (4) drying the glass powder obtained in the step (4), and sieving the dried glass powder by using a 250-mesh sieve to obtain finished glass powder for later use.
Example 2
The glass powder for the environment-friendly high-acid-resistance automobile glass slurry comprises the following components in percentage by mass: SiO 22 28％，Bi2O345％，ZnO 8％，BaO2％，Fe2O32％，Na2O 2％，K2O 8％，Li2O4％，TiO21％。
The preparation method comprises the following steps:
(1) sequentially weighing the SiO2、Bi2O3、ZnO、BaO、Fe2O3、Na2O、K2O、Li2O、TiO2And fully mixing to obtain a mixture;
(2) melting the mixture obtained in the step (1) at 1080 ℃ for 40min to obtain glass liquid;
(3) performing water quenching on the glass liquid obtained in the step (2) and cooling to obtain a glass cullet block;
(4) transferring the broken glass blocks obtained in the step (3) into a ball mill for ball milling to obtain glass powder, wherein the grain diameter and distribution of the obtained glass powder are as follows: d50 ═ 1.55 μm, D90 ═ 2.54 μm, and D99 ═ 3.09 μm.
(5) And (4) drying the glass powder obtained in the step (4), and sieving the dried glass powder by using a 250-mesh sieve to obtain finished glass powder for later use.
Example 3
The glass powder for the environment-friendly high-acid-resistance automobile glass slurry comprises the following components in percentage by mass: SiO 22 29％，Bi2O340％，ZnO 9％，BaO5％，Al2O32％，Na2O 10％，K2O 1％，Li2O3％，TiO21％。
The preparation method comprises the following steps:
(1) sequentially weighing the SiO2、Bi2O3、ZnO、BaO、Al2O3、Na2O、K2O、Li2O、TiO2And fully mixing to obtain a mixture;
(2) melting the mixture obtained in the step (1) at 1100 ℃ for 40min to obtain glass liquid;
(3) performing water quenching on the glass liquid obtained in the step (2) and cooling to obtain a glass cullet block;
(4) transferring the broken glass blocks obtained in the step (3) into a ball mill for ball milling to obtain glass powder, wherein the grain diameter and distribution of the obtained glass powder are as follows: d50 ═ 1.87 μm, D90 ═ 3.4 μm, and D99 ═ 4.44 μm.
(5) And (4) drying the glass powder obtained in the step (4), and sieving the dried glass powder by using a 250-mesh sieve to obtain finished glass powder for later use.
Example 4
The glass powder for the environment-friendly high-acid-resistance automobile glass slurry comprises the following components in percentage by mass: SiO 2232％，Bi2O335％，ZnO 10％，Al2O31％，Fe2O31％，Na2O 5％，K2O 2％，Li2O 10％，TiO24％。
The preparation method comprises the following steps:
(1) sequentially weighing the SiO2、Bi2O3、ZnO、Al2O3、Fe2O3、Na2O、K2O、Li2O、TiO2And fully mixing to obtain a mixture;
(2) melting the mixture obtained in the step (1) at 1200 ℃ for 30min to obtain glass liquid;
(3) performing water quenching on the glass liquid obtained in the step (2) and cooling to obtain a glass cullet block;
(4) transferring the broken glass blocks obtained in the step (3) into a ball mill for ball milling to obtain glass powder, wherein the grain diameter and distribution of the obtained glass powder are as follows: d50 ═ 1.81 μm, D90 ═ 3.04 μm, and D99 ═ 4.05 μm.
(5) And (4) drying the glass powder obtained in the step (4), and sieving the dried glass powder by using a 250-mesh sieve to obtain finished glass powder for later use.
Example 5
The glass powder for the environment-friendly high-acid-resistance automobile glass slurry comprises the following components in percentage by mass: SiO 2235％，Bi2O330％，ZnO 8％，BaO2％，Al2O31％，Fe2O31％，Na2O 10％，K2O 4％，Li2O 6％，TiO23％。
The preparation method comprises the following steps:
(1) sequentially weighing the SiO2、Bi2O3、ZnO、BaO、Al2O3、Fe2O3、Na2O、K2O、Li2O、TiO2And fully mixing to obtain a mixture;
(2) melting the mixture obtained in the step (1) at 1200 ℃ for 50min to obtain glass liquid;
(3) performing water quenching on the glass liquid obtained in the step (2) and cooling to obtain a glass cullet block;
(4) transferring the broken glass blocks obtained in the step (3) into a ball mill for ball milling to obtain glass powder, wherein the grain diameter and distribution of the obtained glass powder are as follows: d50 ═ 1.83 μm, D90 ═ 3.2 μm, and D99 ═ 4.16 μm.
(5) And (4) drying the glass powder obtained in the step (4), and sieving the dried glass powder by using a 250-mesh sieve to obtain finished glass powder for later use.
The glass powder for the environment-friendly high acid resistance automobile slurry prepared in the embodiments 1 to 5 and the slurry prepared by respectively adopting the glass powder satisfy the detection results shown in the table 1:
TABLE 1 test items, methods and results
As can be seen from table 1, the glass powder for the environment-friendly high acid resistance automobile glass paste prepared in the embodiments 1 to 5 of the present invention is highly efficient and environment-friendly, has a proper sintering temperature, is excellent in acid resistance, and has a very low light transmittance, i.e., a very good covering property, and a good blackness.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (7)
1. The glass powder for the environment-friendly high-acid-resistance automobile glass slurry is characterized by comprising the following raw materials in percentage by mass: SiO 22 25-35％，Bi2O3 30-50％，ZnO2-10％，BaO2-5％，TiO2 1-8％，Na2O 2-10％，K2O 1-8％，Li2O3-10％，Fe2O31-2％。
2. The glass powder for the environment-friendly high-acid-resistance automobile glass slurry as claimed in claim 1, wherein the glass powder comprises the following raw materials in percentage by mass: SiO 2228％，Bi2O345％，ZnO 8％，BaO2％，TiO2 1％，Na2O 2％，K2O 8％，Li2O 4％，Fe2O32％。
3. The method for preparing the glass powder for the environment-friendly high acid resistance automobile glass paste as claimed in claim 1 or 2, which is characterized by comprising the following steps:
(1) weighing the raw materials in sequence, and fully mixing the raw materials to obtain a mixture;
(2) melting the mixture obtained in the step (1) to obtain molten glass;
(3) performing water quenching on the glass liquid obtained in the step (2) and cooling to obtain a glass cullet block;
(4) transferring the broken glass blocks obtained in the step (3) into a ball mill for ball milling to obtain glass powder;
(5) and (4) drying the glass powder obtained in the step (4), and sieving the dried glass powder by using a screen to obtain finished glass powder for later use.
4. The method for preparing the glass powder for the environment-friendly high-acid-resistance automobile glass slurry according to claim 3, wherein the melting temperature in the step (2) is 1000-1200 ℃.
5. The method for preparing the glass powder for the environment-friendly high-acid-resistance automobile glass slurry according to claim 4, wherein the melting time in the step (2) is 30-50 min.
6. The method for preparing the glass powder for the environment-friendly high-acid-resistance automobile glass slurry according to claim 5, wherein the particle size and distribution of the glass powder in the step (4) are as follows: d50 is 1-2 μm, D90 is 2-4 μm, and D99 is 3-5 μm.
7. The method for preparing glass powder for environment-friendly high acid resistance automobile glass slurry according to claim 6, wherein the mesh number of the screen used in the step (4) is 250 meshes.
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| CN111302647A (en) * | 2020-03-30 | 2020-06-19 | 山东省淄博市博山长虹陶瓷装饰材料厂 | Zinc and boron-free glass pigment flux and preparation method and application thereof |
| CN112573829A (en) * | 2020-12-15 | 2021-03-30 | 黄山市晶特美新材料有限公司 | Glass slurry for automobile press-formed front windshield and preparation method thereof |
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