CN115448598A - Dry particle protective glaze, soft marble tile and preparation method thereof - Google Patents
Dry particle protective glaze, soft marble tile and preparation method thereof Download PDFInfo
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- CN115448598A CN115448598A CN202211135922.4A CN202211135922A CN115448598A CN 115448598 A CN115448598 A CN 115448598A CN 202211135922 A CN202211135922 A CN 202211135922A CN 115448598 A CN115448598 A CN 115448598A
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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
- C03C8/14—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
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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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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Abstract
The invention provides a dry particle protective glaze which comprises the following components in parts by weight: 60-70 parts of dry particles, 15-20 parts of protective glaze, 4-8 parts of a first mineral component and 120-130 parts of an auxiliary agent, wherein the first mineral component comprises talc and kaolin; the protective glaze comprises the following components in parts by weight: 5-7 parts of zinc oxide, 8-10 parts of barium carbonate, 17-19 parts of potassium feldspar, 38-40 parts of frit, 8-10 parts of alumina, 10-12 parts of calcined talc and 9-12 parts of a second mineral component, wherein the second mineral component comprises dolomite, dolomite and quartz powder. The ceramic tile prepared by using the dry particle protective glaze disclosed by the invention is fine and mild in touch feeling, strong in stereoscopic impression of texture, matte and transparent in surface and warm and comfortable in color.
Description
Technical Field
The invention belongs to the technical field of ceramics, and particularly relates to a dry particle protective glaze, a soft marble tile and a preparation method thereof.
Background
Along with the gradual improvement of the living standard of people, the requirements on the quality and the attractiveness of the ceramic tile are remarkably improved in the aspect of selecting indoor decoration materials, and compared with bright ceramic tiles with high glossiness, the matte ceramic tiles have low glossiness and are within a certain range, light rays are soft, and excessive impact cannot be brought to the vision of people. In addition, the existing ceramic tiles have the problems of insufficient fineness, poor moisture resistance and the like, and cannot meet the requirements of consumers.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention provides a dry particle protective glaze, a soft marble tile and a preparation method thereof, aiming at providing a matte and transparent soft marble tile which is fine, smooth, mild, strong in wear resistance and vivid in stone texture.
According to the first aspect of the invention, the dry particle protection glaze comprises the following components in parts by mass: 60-70 parts of dry particles, 15-20 parts of protective glaze, 4-8 parts of a first mineral component and 120-130 parts of an auxiliary agent, wherein the first mineral component comprises talc and kaolin; the protective glaze comprises the following components in parts by weight: 5-7 parts of zinc oxide, 8-10 parts of barium carbonate, 17-19 parts of potassium feldspar, 38-40 parts of frit, 8-10 parts of alumina, 10-12 parts of calcined talc and 9-12 parts of a second mineral component, wherein the second mineral component comprises dolomite, dolomite and quartz powder.
In the dry particle protective glaze, the protective glaze can improve the adhesion of dry particles to a green body, prevent the dry particles from being lifted from the surface of the green body or falling off in the firing process of a kiln, reduce the uncontrollable loss of the dry particle protective glaze in the calcining process of a green brick, improve the formula stability of the dry particle protective glaze, and further improve the product stability of the fired ceramic tile; on the other hand, the phenomena of dirt falling, cave dissolving, pin holes and the like of the product are effectively avoided, the dry particles and the protective glaze are well matched with each other, a better glaze surface fusion effect can be obtained, and the ceramic tile prepared by the dry particles has fine stone texture. Moreover, the protective glaze is matt and transparent, so that the surface glossiness of the ceramic tile can be reduced, the surface of the ceramic tile has a matt and frosted effect, and the visual effect of people is softer.
Preferably, in the first mineral component, the ratio by mass of talc: kaolin =1 to 2:4 to 8.
The talc can reduce the firing temperature of the dry particle protective glaze, and can obtain a proper firing temperature when being matched with the kaolin for use, so that the state of components of the dry particle protective glaze and the protective glaze during firing can be controlled, and a better melting or semi-melting state can be obtained, thereby ensuring that the glaze surface of the dry particle protective glaze layer has a proper microstructure and ensuring the antifouling property of the ceramic tile.
Preferably, the auxiliary agent comprises a suspending agent and an ink-discharging agent.
Preferably, the suspending agent comprises at least one of bentonite, silica gel, gums.
Preferably, the ink-discharging agent is a water-soluble high molecular polymer.
The suspending agent can keep the particles in the dry particle protective glaze slurry in a suspended state, and ensure that transparent dry particles in the dry particle protective glaze slurry cannot rapidly sink, so that the concentration of the dry particle protective glaze slurry is kept, and the glazing thickness is uniform; the ink discharging agent is a water-soluble high-molecular polymer, can overcome the defect that oil and water cannot be compatible, and can improve the leveling property and the caking property of dry particle protective glaze slurry so as to improve the flatness and the caking property of a glaze surface.
Preferably, in the second mineral component, the mass ratio of dolomite: and (3) dolomite soil: quartz powder =3 to 4:6 to 7:1 to 2.
The kaolin in the second mineral component can improve the chemical stability and the sintering strength of the dry particle protective glaze and widen the sintering temperature of the dry particle protective glaze.
Preferably, the chemical composition of the frit comprises SiO, calculated in mass percent 2 45％～45.3％、Al 2 O 3 19％～20％、Fe 2 O 3 0.1％～0.2％、CaO 2.35％～2.50％、MgO 0.70％～0.85％、K 2 O 1.5％～2.05％、Na 2 O 4.6％～4.9％、TiO 2 0.25％～0.28％、B 2 O 3 0.03 to 0.04 percent of BaO, 14.6 to 15.8 percent of BaO, 6.0 to 6.8 percent of ZnO and 3.5 to 4.0 percent of SrO.
The frit formed by the frit formula in the scheme has better quality, and the high-quality protective glaze and ceramic tile can be prepared by using the frit with less content.
Preferably, the chemical composition of the dry granules comprises SiO in mass percent 2 40.00～41.00％、Al 2 O 3 14.00～15.00％、CaO 16.00～17.00％、MgO 11.00～12.00％、K 2 O 4.00～5.50％、Na 2 O 1.50～3.50％、ZnO 4.00～5.00％。
The dry particles prepared from the raw materials and the proportion are transparent dry particles, so that the display effect of a printing layer can be influenced to the minimum degree when the dry particle protective glaze is applied on the printing layer, and the optimal pattern texture effect of a finished ceramic tile product is ensured.
Preferably, the dry particles have a particle size of 150 to 200 mesh.
According to a second aspect of the invention, a soft-light marble tile is provided, which comprises a blank body, and a ground glaze layer, a printing layer and a dry particle protective glaze layer which are sequentially arranged on the surface of the blank body, wherein the dry particle protective glaze layer is prepared from the dry particle protective glaze.
Preferably, the thickness of the ground coat layer is 0.05-0.2 mm; and/or the thickness of the printing layer is 0.05-0.1 mm; and/or the thickness of the dry particle protective glaze is 1-1.5 mm.
According to a third aspect of the present invention, there is provided a method for preparing a soft marble tile, comprising the steps of:
step one, applying ground coat on the surface of a blank body for forming a ground coat layer;
step two, manufacturing a printing layer on the surface of the blank body after the ground coat is applied;
step three, distributing dry grain protective glaze on the surface of the printing layer for forming a dry grain protective glaze layer, wherein the dry grain protective glaze is prepared by mixing all raw materials;
drying the green bricks with the dry particle protective glaze distributed on the surfaces, and then putting the green bricks into a kiln for sintering;
and step five, polishing the green brick obtained after the firing until the surface glossiness of the green brick is 6-9 degrees, and obtaining the soft marble tile.
In the preparation method of the soft marble tile, the applied dry particle protective glaze is a composition comprising dry particles and the protective glaze, and the process of simultaneously applying the dry particles and the protective glaze can be realized. In the existing ceramic tile preparation process, a protective glaze layer is generally laid on the surface of a printing layer, and then a dry particle layer is laid on the protective glaze layer, but when the dry particle layer is laid, dry particles are generally sprayed on the surface of the protective glaze layer in a large area, so that the pattern lines of the printing layer are covered by the dry particles, the pattern definition of the formed ceramic tile finished product is reduced, and the quality and the visual effect of the ceramic tile are influenced. Therefore, compared with the existing preparation method of the common ceramic tile, the preparation method of the ceramic tile provided by the scheme is simpler, the problem that the ceramic tile pattern is not clear when the protective glaze and the dry particles are separately applied can be solved, and the texture of the ceramic tile pattern is effectively improved.
Preferably, in the second step, the printed layer is applied by ink-jet printing.
Preferably, in the second step, after the printed layer is applied, the blank is dried at a temperature of 140 to 150 ℃.
Preferably, in the third step, the specific gravity of the dry particle protective glaze is 1.20-1.30 g/mL, and the glazing amount is 350-400 g/m 2 。
Preferably, in the fourth step, the green brick after the dry particle protection glaze cloth application is dried at the temperature of 150-200 ℃ for 3-4 minutes.
Preferably, in the fourth step, the firing temperature is 1198 to 1200 ℃ and the firing time is 50 to 55 minutes.
Preferably, in the fifth step, the number of the fiber polishing combined module used in the polishing process is 800 to 1000.
Compared with the prior art, the invention has the following beneficial effects:
in the preparation method of the soft-light marble tile with the dry-particle protective glaze, the soft-light marble tile with the dry-particle protective glaze is obtained by forming a ground glaze layer and a printing layer on the surface of a blank, coating the dry-particle protective glaze on the surface of the printing layer to form the dry-particle protective glaze layer, firing the obtained glazed blank and polishing by using a fiber polishing module. The transparent dry particles in the dry particle layer can present different texture levels, and under the mutual fusion of the dry particles and the protective glaze, the surface of the ceramic tile can present unique light stereoscopic impression under different illuminations; meanwhile, different dry grain texture is provided on the surface of the ceramic tile along with different printing (pattern) textures on the surface of the blank, so that the ceramic tile has better appearance, fineness and stereoscopic impression. In addition, the preparation method of the ceramic tile is simple in process, convenient to operate, low in labor intensity and suitable for industrial mass production.
Drawings
FIG. 1 is a schematic view of a tile construction according to an embodiment of the present invention;
the above reference numerals are: 1-a green body; 2-a ground coat layer; 3-printing layer; 4-dry particle protection glaze layer.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
The ceramic tile in the embodiment comprises a blank body 1, a ground glaze layer 2, a printing layer 3 and a dry particle protective glaze layer 4 which are sequentially arranged from bottom to top, and refer to fig. 1.
The tile of this example was prepared according to the following procedure:
s1, pressing and forming the blank to form a blank 1, and drying the blank at 250 ℃ for 55min;
s2, spraying water mist on the surface of the blank 1 to wet the surface of the blank 1, and then applying a ground coat to form a ground coat layer 2;
s3, performing ink-jet printing on the surface of the ground glaze layer 2 to form a printing layer 3; drying the printed blank in a drying kiln at 150 ℃ for 4min;
s4, distributing dry grain protective glaze on the surface of the printing layer 3 to form a dry grain protective glaze layer 4;
s5, drying the green brick coated with the dry particle protection glaze in a drying kiln at 150 ℃ for 4min to obtain a green brick;
s6, firing the green brick at 1200 ℃ for 55min;
s7, polishing, edging and chamfering the obtained green bricks after firing to obtain the soft marble tiles; wherein, the mesh number of the fiber polishing combined module adopted in the polishing procedure is 800-1000.
The raw materials for preparing the protective glaze formula in the embodiment comprise: the method comprises the following steps of calcining zinc oxide, barium carbonate, potash feldspar, clinker, calcined alumina, calcined talc, dolomite and quartz powder, setting five experimental groups and three comparison groups in total, and forming different protective glaze formulas by changing the specific proportions of different materials in the protective glaze formula.
Table 1 specific composition (in parts by weight) of the protective glaze formulation set forth in example 1
Different ceramic tiles in the embodiment are respectively prepared by using different protective glaze formulas, the preparation methods of all the ceramic tiles in the embodiment are consistent, wherein the protective glaze 1# corresponds to a ceramic tile 1#, the protective glaze 2# corresponds to a ceramic tile 2#, the protective glaze 3# corresponds to a ceramic tile 3#, the protective glaze 4# corresponds to a ceramic tile 4#, the protective glaze 5# corresponds to a ceramic tile 5#, the protective glaze 6# corresponds to a ceramic tile 6#, the protective glaze 7# corresponds to a ceramic tile 7#, the protective glaze 8# corresponds to a ceramic tile 8#, and the ceramic tiles 1# to 8# are different in the protective glaze formulas which are respectively adopted, referring to table 1.
The dry particle protective glaze adopted in the embodiment comprises the following raw materials in parts by weight: 60 parts of dry particles, 15 parts of protective glaze, 4 parts of kaolin, 1 part of talcum, 120 parts of suspending agent and 0.5 part of ink discharging agent. Wherein, the particle size of the dry particles is 150-200 meshes, and the dry particles comprise the following components in percentage by mass: siO 2 2 40.5％、Al 2 O 3 15.0％、CaO 17％、MgO 12％、K 2 O 5.0％、Na 2 3.5 percent of O, 4.5 percent of ZnO and the balance of impurities. The frit used in the present embodiment comprises the following components by mass: siO 2 2 45.25％、Al 2 O 3 19％、Fe 2 O 3 0.10％、CaO 2.45％、MgO 0.75％、K 2 O 2.0％、Na 2 O 4.85％、TiO 2 0.26％、B 2 O 3 0.04%, baO 14.9%, znO 6.6% and SrO 3.8%. In the embodiment, the specific gravity of the dry particle protective glaze is 1.25g/mL, and the glazing amount is 375g/m 2 。
The preparation method of the blank in this example is as follows: the raw materials for manufacturing the blank are tested for physical and chemical properties, and are put into a ball mill to be prepared into slurry according to the formula proportion after being qualified, the slurry is dried by a spray drying tower to be prepared into powder, and the powder is pressed by a press and then is sintered by a kiln to be prepared into a biscuit, namely a blank body. The formula of the blank in the embodiment comprises the following components in percentage by weight: siO 2 2 68.95％、Al 2 O 3 17.80％、Na 2 O 2.63％、K 2 O 2.73％、CaO 0.42％、TiO 2 0.23％、Fe 2 O 3 0.98 percent, 1.12 percent of MgO and 5.14 percent of loss on ignition.
The formula of the ground coat adopted in the embodiment comprises the following components in percentage by weight: al (Al) 2 O 3 20.47％、SiO 2 65.12％、Na 2 O 1.16％、K 2 O 1.6％、CaO 1.38％、TiO 2 0.10％、Fe 2 O 3 0.19％、ZrO 2 2.8％、MgO 0.28％、LiO 2 0.32％、PbO 0.02％、ZnO 1.29％、MnO 0.02％、SrO 0.01％、Cr 2 O 3 0.01％、B 2 O 3 0.1％、Rb 2 O 0.14％、Cs 2 0.1 percent of O, 4.57 percent of loss on ignition and the balance of impurities.
The technological parameters of the ground glaze slurry adopted in the embodiment are as follows: the mass ratio of the residue sieved out of 325 meshes of the ground coat fineness in the slurry is 0.5 percent, and the specific gravity of the ground coat slurry is 1.8g/cm 3 (ii) a And the amount of the ground coat applied in this example was 400g/m 2 。
Test example 1
The ceramic tiles 1# to 8# prepared in example 1 were tested for their properties such as gloss, abrasion resistance, and dry particle adhesion, and the test methods for each property were as follows:
(1) Gloss measurement
Expressed as a percentage of the relative specular reflection (45 ° angle) of the surface of the tile article to a standard black glass plate. The measuring method specifies the surface finish of a standard black glass flat plate to be 12 grades; the inspection of a 6-level precision flatness ruler can be passed; the larger the value, the higher the gloss. The method and the steps for measuring the surface gloss of the tile product are as follows: 1. starting up the machine for preheating, turning on a power supply of the gloss meter, preheating the whole machine for 30 minutes, and wiping out the random attached standard board; 2. strictly zeroing the reader, placing the black glass under the measuring head, and repeatedly correcting, namely, when the amplitude modulation button is shifted, the pointer correctly indicates '0' or the standard black glass value is unchanged; 3. and (3) placing the measuring head on a certain part of the surface of the tile product which is flattened, wherein the value indicated by the reader is the gloss value of the part of the tile product. In the scheme, the gloss testing parts of the ceramic tile product are four corners and the middle part of the ceramic tile, and after the gloss values of the five parts are respectively tested, the average value is taken to obtain the gloss value of the ceramic tile product.
(2) Abrasion resistance rating test
The test is carried out by adopting the GB/T3810.7-2016 test method standard, the degree of the surface abrasion traces of the ceramic tile products after grinding at a specific grinding revolution is observed and is divided into 0-5 grades, and the specific grade classification is shown in the following table 2:
TABLE 2 abrasion resistance rating Classification
(3) Dry particle adhesion rating test
Testing by adopting GB/T9286-98 grid test method standard, observing the falling condition of dry grains of the ceramic tile product, and classifying the dry grains into 0-5 grades, wherein the specific grade classification is shown in Table 3:
TABLE 3 Dry particle adhesion rating Classification
The results of various performance tests on the tiles 1# to 8# prepared in example 1 using the above-described methods for testing the glossiness, the abrasion resistance level, and the dry particle adhesion level are shown in table 4. As can be seen from table 4, in example 1, the matte effect, the abrasion resistance level, the dry particle adhesion level, and other properties of the ceramic tiles 1# to 5# were excellent, and the feel thereof was fine and warm, the texture stereoscopic impression was strong, the surface was matte and transparent, the color was warm and comfortable, and the ceramic tiles were soft and glossy marble tiles having excellent overall properties. In the ceramic tiles 6# to 8#, the proportion of the protective glaze materials adopted by the ceramic tiles 6# to 8# is not in the optimal range of the proportion of the protective glaze materials in the scheme, so that the protective effect of the formed protective glaze 6# to 8# on dry particles is relatively poor, the matte effect or the wear resistance grade or the dry particle adhesive force grade of the ceramic tiles 6# to 8# is reduced to a certain extent, the touch feeling of the ceramic tiles 6# to 8# is not fine and smooth enough, and the texture stereoscopic impression is poor.
Table 4 results of performance tests on the gloss, abrasion resistance and dry particle adhesion of the tiles 1# to 8# in example 1
Example 2
The ceramic tile in the embodiment comprises a blank body 1, a ground glaze layer 2, a printing layer 3 and a dry particle protective glaze layer 4 which are sequentially arranged from bottom to top, and refer to fig. 1. The process for the preparation of the tiles of this example was identical to that of example 1.
The protective glaze used in this example was identical to protective glaze # 1 of example 1, except that the frit formulation used was not identical to that of example 1, but was otherwise identical to that of example 1. The raw materials used to formulate the frit formulation in this example included: siO 2 2 、Al 2 O 3 、Fe 2 O 3 、CaO、MgO、K 2 O、Na 2 O、TiO 2 、B 2 O 3 BaO, znO and SrO, set up three experimental groups and two contrast groups altogether, form different frit formulas through changing the concrete ratio of different materials in the frit formula.
Table 5 frit formulation specific composition (mass fraction) set in example 2
Different ceramic tiles in this embodiment are respectively prepared by using the above different frit formulas, and the preparation methods of all the ceramic tiles in this embodiment are the same, where frit 1# corresponds to ceramic tile 9#, frit 2# corresponds to ceramic tile 10#, frit 3# corresponds to ceramic tile 11#, frit 4# corresponds to ceramic tile 12#, and frit 5# corresponds to ceramic tile 13#, and the difference between ceramic tiles 9# and 13# is that the respective adopted frit formulas are different, as shown in table 5.
Test example 2
The properties such as the glossiness, the wear resistance rating, and the dry particle adhesion rating of the tile 9# to 13# prepared in example 2 were tested, wherein the test methods used for the properties such as the glossiness, the wear resistance rating, and the dry particle adhesion rating were the same as those in test example 1, and the obtained test results are shown in table 6.
Table 6 results of performance tests on the gloss, abrasion resistance and dry particle adhesion of the tiles No. 9 to No. 13 in example 2
As can be seen from table 6, in example 2, the matte effect, the abrasion resistance level, the dry particle adhesion level, and other properties of the tile 9# to the tile 11# were excellent, and the matte marble tile had a fine and moist touch, had a strong three-dimensional texture, had a matte and transparent surface, had a warm and comfortable color, and was a soft marble tile having excellent overall properties. In the ceramic tiles 12# to 13#, the frit material proportion adopted by the ceramic tiles 12# to 13# is not in the optimal range of the frit material proportion, so that the protection effect of the protection glaze prepared from the ceramic tiles 12# to 13# on dry particles is relatively poor, the matte effect or the wear resistance grade or the dry particle adhesive force grade of the ceramic tiles 12# to 13# is reduced to a certain extent, and the texture stereoscopic impression of the ceramic tiles 12# to 13# is poor and is not matte and transparent enough.
Example 3
The ceramic tile in the embodiment comprises a blank body 1, a ground glaze layer 2, a printing layer 3 and a dry particle protective glaze layer 4 which are sequentially arranged from bottom to top, and refer to fig. 1. The process for the preparation of the tiles of this example was identical to that of example 1.
The formula of the dry particle protective glaze adopted in the embodiment is as follows according to parts by weight: 65 parts of dry particles, 16 parts of protective glaze, 3 parts of kaolin, 1 part of talcum, 120 parts of suspending agent and 1 part of ink discharging agent. The formula of the protective glaze adopted in the embodiment is the formula of the protective glaze 1# in the embodiment 1, and the rest is the same as the embodiment 1.
Example 4
The ceramic tile in the embodiment comprises a blank body 1, a ground glaze layer 2, a printing layer 3 and a dry particle protective glaze layer 4 which are sequentially arranged from bottom to top, and refer to fig. 1. The process for the preparation of the tiles of this example was identical to that of example 1.
The formula of the dry particle protective glaze adopted in the embodiment comprises the following components in parts by weight: 70 parts of dry particles, 20 parts of protective glaze, 4 parts of kaolin, 1 part of talcum, 120 parts of suspending agent and 2 parts of ink discharging agent. The formulation of the protective glaze adopted in this example is the formulation of protective glaze # 1 in example 1, and the rest is the same as example 1.
Comparative example 1
The ceramic tile of this comparative example comprises a body 1, a ground coat 2, a print layer 3, and a dry grain protective glaze layer 4, which are arranged in this order from bottom to top, with reference to fig. 1. The process for making the tile of this comparative example was consistent with example 1.
The formula of the dry particle protective glaze adopted in the comparative example does not contain talc, and the formula comprises the following components in parts by weight: 60 parts of dry particles, 15 parts of protective glaze, 4 parts of kaolin, 120 parts of suspending agent and 0.5 part of ink discharging agent; the formulation of the protective glaze used in this comparative example was the formulation of protective glaze # 1 of example 1, the remainder being identical to example 1.
Comparative example 2
The ceramic tile of the comparative example comprises a blank 1, a ground coat 2, a printing layer 3 and a dry grain protective glaze layer 4 which are arranged in sequence from bottom to top, and refer to fig. 1. The process for making the tile of this comparative example was consistent with example 1.
The formula of the dry particle protective glaze adopted in the comparative example does not contain kaolin and talc, and the formula is calculated according to the parts by weight as follows: 60 parts of dry particles, 15 parts of protective glaze, 120 parts of suspending agent and 0.5 part of ink discharging agent; the formulation of the protective glaze used in this comparative example was the formulation of protective glaze # 1 of example 1, the remainder being identical to example 1.
Comparative example 3
The ceramic tile of this comparative example comprises a body 1, a ground coat 2, a print layer 3, and a dry grain protective glaze layer 4, which are arranged in this order from bottom to top, with reference to fig. 1. The process for making the tile of this comparative example is identical to that of example 1.
The formula of the protective glaze adopted in the comparative example does not contain dolomite, and the formula is calculated according to parts by weight as follows: 5 parts of zinc oxide, 8 parts of barium carbonate, 17 parts of potassium feldspar, 38 parts of clinker, 8 parts of alumina, 10 parts of calcined talc, 3 parts of dolomite and 1 part of quartz powder; the rest corresponds to example 1.
Comparative example 4
The ceramic tile of the comparative example comprises a blank 1, a ground coat 2, a printing layer 3 and a dry grain protective glaze layer 4 which are arranged in sequence from bottom to top, and refer to fig. 1. The process for making the tile of this comparative example was consistent with example 1.
The amount of protective enamel in the formula of the dry particle protective glaze adopted in the comparative example is less, and the formula is calculated according to the parts by weight as follows: 60 parts of dry particles, 5 parts of protective glaze, 4 parts of kaolin, 120 parts of suspending agent and 0.5 part of ink discharging agent; the formulation of the protective glaze used in this comparative example was the formulation of protective glaze # 1 of example 1, the remainder being identical to example 1.
Comparative example 5
The ceramic tile of the comparative example comprises a blank 1, a ground coat 2, a printing layer 3 and a dry grain protective glaze layer 4 which are arranged in sequence from bottom to top, and refer to fig. 1. The process for making the tile of this comparative example was consistent with example 1.
The protective glaze used in this comparative example was a commercially available conventional protective glaze, and the rest was the same as in example 1.
Comparative example 6
The ceramic tile of this comparative example comprises a body 1, a ground coat 2, a print layer 3, and a dry grain protective glaze layer 4, which are arranged in this order from bottom to top, with reference to fig. 1.
In the method for preparing the ceramic tile in the comparative example, the comparative example directly puts the green body into a kiln for firing without drying after finishing the application of the dry particle protective glaze, and the formula of the protective glaze adopted in the comparative example is the same as that of the protective glaze 1# in example 1, and the rest is the same as that of example 1.
Comparative example 7
The ceramic tile of the comparative example comprises a blank 1, a ground coat 2, a printing layer 3 and a dry grain protective glaze layer 4 which are arranged in sequence from bottom to top, and refer to fig. 1.
In the method for preparing the ceramic tile in the comparative example, the comparative example sprays glue while performing ink-jet printing, and after drying, dry particles (without protective glaze) are distributed on the printing surface, and the dry particle formula adopted in the comparative example is consistent with that of example 1, and the ceramic tile comprises the following components in percentage by mass: siO 2 2 40.5％、Al 2 O 3 15.0％、CaO 17％、MgO 12％、K 2 O 5.0％、Na 2 3.5% of O, 4.5% of ZnO and the balance of impurities; the rest is the same as in example 1.
Comparative example 8
The ceramic tile of the comparative example comprises a blank 1, a ground coat 2, a printing layer 3 and a dry grain protective glaze layer 4 which are arranged in sequence from bottom to top, and refer to fig. 1.
In the method for preparing the ceramic tile in the comparative example, the protective glaze is firstly applied after printing is applied, and then dry particles are applied, and the formula of the protective glaze adopted in the comparative example is the same as that of the protective glaze 1# in example 1, and the rest is the same as that of example 1.
Test example 3
The tiles of examples 3 to 4 and comparative examples 1 to 8 were tested for their properties such as gloss, abrasion resistance and dry particle adhesion, using the same test method as in test example 1, and the results are shown in table 7.
Table 7 results of performance tests on gloss, abrasion resistance and dry particle adhesion of the tiles of examples 3 to 4 and comparative examples 1 to 8
As can be seen from table 7, the dry particle protective glaze formulations used in examples 3 and 4 are within the preferable range in the present scheme, and the protective glaze is consistent with the formulation of the protective glaze 1# in example 1, so that the matte effect, the wear resistance level, the dry particle adhesion level and other properties of the ceramic tiles prepared in examples 3 to 4 are excellent, and the ceramic tiles have fine and mild touch, strong three-dimensional texture and transparent matte surface, warm and comfortable color and excellent comprehensive properties. In comparative example 1, the dry grain protective glaze used contained no talc, so the matte effect, abrasion resistance and dry grain adhesion properties of the tile were worse, and the stereoscopic impression of the tile texture was slightly worse than that of example 1. In comparative example 2, the dry grain protective glaze used does not contain kaolin and talc, so that the matte effect, the abrasion resistance and the dry grain adhesion property of the ceramic tile prepared in comparative example 2 are poorer than those of example 1, while the abrasion resistance grade and the texture stereoscopic impression of the ceramic tile in comparative example 2 are slightly poorer than those of comparative example 1. In comparative example 3, the protective glaze formulation used did not contain dolomite, and therefore the tile in comparative example 3 had poor abrasion resistance and dry particle adhesion rating. In comparative example 4, the amount of protective enamel in the dry grain protective glaze used was small, and therefore the protective glaze had poor protective effect on the dry grains, resulting in the ceramic tile of comparative example 4 having a lower abrasion resistance grade and a lower dry grain adhesion grade than those of example 1, and having a slightly lower texture stereoscopic impression. The protective glaze adopted in the comparative example 5 is a conventional protective glaze, and has a poor protective effect on dry particles, so that the matte effect, the wear resistance grade and the dry particle adhesive force grade of the ceramic tile of the comparative example 5 are poor, the touch feeling is not fine and smooth enough, the texture stereoscopic impression is poor, and the surface is not transparent enough. In comparative example 6, the dry grain protective glaze is not dried after being applied, the matte effect, the wear resistance grade and the dry grain adhesive force grade of the ceramic tile are poor, the touch is not mild and delicate enough, and the surface texture has poor stereoscopic impression. In the comparative example 7, the traditional dry particle coating method is adopted, the adhesion of the dry particles on the surface of the printing layer is realized by using glue, but the adhesive force of the glue to the dry particles is not strong, so that the adhesive force of the glue to the dry particles is not strong, the dry particles are easy to blow off or suck off in the firing process of a kiln, the surface of the dry particle layer is unevenly distributed, and the finally prepared ceramic tile has poor matte effect, poor wear resistance and poor adhesive force of the dry particles, fuzzy texture and poor stereoscopic impression. In the comparative example 8, the protective glaze and the dry particles are distributed step by step, so that the bonding force of the dry particles and the protective glaze is reduced, and the protective performance of the protective glaze on the dry particles is reduced, so that the ceramic tile has poor wear resistance, poor adhesion of the dry particles, blurred texture and poor stereoscopic impression.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A dry particle protective glaze is characterized in that:
the dry particle protection glaze comprises the following components in parts by weight: 60-70 parts of dry particles, 15-20 parts of protective glaze, 4-8 parts of a first mineral component and 120-130 parts of an auxiliary agent, wherein the first mineral component comprises talc and kaolin;
the protective glaze comprises the following components in parts by weight: 5-7 parts of zinc oxide, 8-10 parts of barium carbonate, 17-19 parts of potassium feldspar, 38-40 parts of frit, 8-10 parts of alumina, 10-12 parts of calcined talc and 9-13 parts of a second mineral component, wherein the second mineral component comprises dolomite, dolomite and quartz powder.
2. The dry-particle protective glaze according to claim 1, wherein:
in the first mineral component, talc: kaolin =1 to 2:4 to 8.
3. The dry-particle protective glaze according to claim 1, wherein:
in the second mineral component, dolomite: white cloud soil: quartz powder =3 to 4:6 to 7:1 to 2.
4. The dry-particle protective glaze according to claim 1, wherein:
the chemical composition of the frit comprises SiO according to the mass percentage 2 45％～45.3％、Al 2 O 3 19％～20％、Fe 2 O 3 0.1％～0.2％、CaO 2.35％～2.50％、MgO 0.70％～0.85％、K 2 O 1.5％～2.05％、Na 2 O 4.6％～4.9％、TiO 2 0.25％～0.28％、B 2 O 3 0.03 to 0.04 percent, 14.6 to 15.8 percent of BaO, 6.0 to 6.8 percent of ZnO and 3.5 to 4.0 percent of SrO.
5. The dry-particle protective glaze according to claim 1, wherein: the chemical composition of the dry granules comprises the following components in percentage by mass: siO 2 2 40.00～41.00％、Al 2 O 3 14.00～15.00％、CaO 16.00～17.00％、MgO 11.00～12.00％、K 2 O 4.00～5.50％、Na 2 O 1.50～3.50％、ZnO 4.00～5.00％。
6. The utility model provides a sheen marble ceramic tile which characterized in that:
the soft marble tile comprises a blank body, and a ground glaze layer, a printing layer and a dry grain protective glaze layer which are sequentially arranged on the surface of the blank body upwards, wherein the dry grain protective glaze layer is prepared from the dry grain protective glaze according to any one of claims 1 to 5.
7. The soft marble tile of claim 6, wherein:
the thickness of the ground glaze layer is 0.05-0.2 mm;
and/or the thickness of the printing layer is 0.05-0.1 mm;
and/or the thickness of the dry particle protective glaze is 1-1.5 mm.
8. A process for the preparation of a soft marble tile according to claim 6 or 7, wherein:
the method comprises the following steps:
step one, applying a ground coat on the surface of the blank body for forming the ground coat layer;
step two, manufacturing the printing layer on the surface of the blank body after the ground coat is applied;
step three, distributing the dry grain protective glaze on the surface of the printing layer for forming the dry grain protective glaze layer, wherein the dry grain protective glaze is prepared by completely mixing raw materials;
drying the green bricks with the dry particle protective glaze distributed on the surfaces, and then putting the green bricks into a kiln for sintering;
and step five, polishing the green brick obtained after the firing until the surface glossiness of the green brick is 6-9 degrees, and obtaining the soft marble tile.
9. The method of claim 8, wherein:
in the fourth step, the green brick after the dry particle protection glaze is applied is dried at the temperature of 150-200 ℃.
10. The method of claim 8, wherein:
in the fourth step, the sintering temperature is 1198-1200 ℃, and the sintering time is 50-55 minutes.
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Address after: 330813 Bajing Town, Gao'an City, Yichun City, Jiangxi Province (China Building Ceramics Industry Base) Applicant after: Jiangxi Xinmingzhu Building Materials Co.,Ltd. Applicant after: New Pearl Group Co.,Ltd. Applicant after: New Pearl (Guangdong) New Materials Co.,Ltd. Applicant after: FOSHAN SANSHUI NEW PEARL CONSTRUCTION CERAMICS INDUSTRIAL Co.,Ltd. Applicant after: Hubei new Ming Zhu Green Building Materials Technology Co.,Ltd. Address before: 330813 Bajing Town, Gao'an City, Yichun City, Jiangxi Province (China Building Ceramics Industry Base) Applicant before: Jiangxi Xinmingzhu Building Materials Co.,Ltd. Applicant before: New Pearl Group Co.,Ltd. Applicant before: GUANGDONG SUMMIT CERAMICS Co.,Ltd. Applicant before: FOSHAN SANSHUI NEW PEARL CONSTRUCTION CERAMICS INDUSTRIAL Co.,Ltd. Applicant before: Hubei new Ming Zhu Green Building Materials Technology Co.,Ltd. |
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