CN111499396B - Metal texture porcelain plate with prominent bright/matte contrast - Google Patents
Metal texture porcelain plate with prominent bright/matte contrast Download PDFInfo
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Abstract
The invention provides a metal texture porcelain plate with prominent bright/matte contrast, which comprises a matte area and a bright area, wherein the matte area is formed by sintering a colored surface layer and a dry particle layer which are positioned on a porcelain plate blank layer; the main components of the engraving ink are MgO, CaO and Al2O3、SiO2、ZnO、K2O, the main components of the dry particle layer are CaO and Al2O3、SiO2、K2O、Na2O, MgO, BaO, ZnO. The product of the invention can show metallic luster and glittering texture of patterns with obvious bright/matte contrast, is green and environment-friendly in preparation process, and is also beneficial to realizing rich expression effect.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of architectural ceramics, in particular to a metal texture porcelain plate with dark and light color lines or dots.
[ background of the invention ]
The ceramic tile is an acid and alkali resistant porcelain or stone building or decorating material formed by grinding, mixing, pressing, glazing and sintering refractory metal oxides and semimetal oxides. The ceramic tile industry develops to the present, the technology is continuously refined from the directions of size specification, dry particle technology, color glaze technology, ink jet, mold and the like, the material expressive force is continuously improved and richer expressive styles are developed along with the continuous change of the aesthetic value and the design style of people.
Metallic tile is one of the current ceramic tiles, and is more suitable for simple, fashionable and low-tone luxurious home in design concept. The surface of the ceramic tile with the metal glaze presents metallic luster, and can present various colors, such as red, yellow, silver, blue, black and the like. However, the design and production of the tiles with various styles and metallic textures are still dependent on the further development of the production process.
CN102515872A, a metal glaze ceramic tile and a preparation method thereof, which disclose a manufacturing process of the metal glaze ceramic tile, comprising the steps of biscuit firing at 1180 ℃, applying a layer of ground coat on the surface of the biscuit firing, spraying metal glaze surface glaze, printing and firing. CN101157543A and a method for manufacturing a ceramic tile with a metal luster local decorated surface disclose another manufacturing process, which comprises the steps of spraying a metal glaze layer on the surface of a mould tile blank, grinding off the metal glaze on the surface of the blank by a grinding machine after the glaze layer is dried, only removing the metal glaze in a pit, and then carrying out screen printing and roller printing to finally obtain the ceramic tile with the metal luster local decorated surface. CN106810297A, a production process of ceramic tiles with high brightness and matte precious metal luster on the surface, discloses that different glaze materials or frits are distributed and applied in a plurality of areas, precious metal luster ink is printed in an ink-jet mode after the first firing, and the second firing is carried out to obtain the ceramic tiles with high brightness and matte precious metal luster.
Although there are many similar patent documents, the expressive force of the product still has a great space for improving, and the decorative effect is not three-dimensional and abundant enough, and is to be further developed.
[ summary of the invention ]
The invention provides a metal texture porcelain plate with prominent bright/matte contrast, which can show metallic luster and glittering texture of patterns with obvious bright/matte contrast, is green and environment-friendly in preparation process, and is also beneficial to realizing rich expression effects.
The technical solution of the invention is as follows:
a metal texture porcelain plate with prominent bright/matte contrast is characterized by comprising a matte area and a bright area, wherein the matte area is formed by sintering a colored surface layer and a dry particle layer which are positioned on a porcelain plate blank layer; the main components of the engraving and milling ink are 0.8-3 parts by weight of MgO, 12-17 parts by weight of CaO and 4-6 parts by weight of Al2O360 to 70 parts by weight of SiO27.5 to 11 parts by weight of ZnO, 2 to 4 parts by weight of K2O, and the other components are less than 3 parts by weight; the main components of the dry particle layer are 5.5-10 parts by weight of CaO and 13-18.5 parts by weight of Al2O360 to 68 parts by weight of SiO23 to 6 parts by weight of K2O, 1.8-3 parts by weight of Na2O, 0.5-2 parts by weight of MgO, 0.5-2 parts by weight of BaO, 0.15-1 part by weight of ZnO, and less than 3 parts by weight of other components. On the porcelain plate, the place where the colored surface layer is combined with the dry particle layer shows a metallic texture matte effect, the place where the ink spraying layer is combined with the dry particle layer shows a metallic texture bright effect, bright/matte contrast is prominent, and a pattern glittering texture with metallic luster and obvious bright/matte contrast can be shown.
Furthermore, the colored surface layer covers the whole surface of the ceramic plate body layer, any pattern can be printed on the colored surface layer on the whole surface, the processing of the scheme is easy to realize, and the presentation of fine and complex patterns can be realized. The preferred porcelain layer of coloured surface course, the porcelain layer is compared in the melting point on pottery layer high, and sintering temperature is high, can combine to form specific effect with dry grain layer sintering under high temperature, and the pottery layer can't bear the sintering temperature who matches with dry grain layer, can be owing to appear a large amount of melts unable realizations.
Furthermore, the bright area and the matte area form micro-carving with the height difference of 0.15-2 mm.
Further, the functional components of the dry particle layer are high-calcium zinc-containing glass dry particles, the particle size of the dry particles is 0.5-2.5% above 80 meshes, 25-31.5% between 80 meshes and 100 meshes, 65-70.5% between 100 meshes and 200 meshes, and 0.5-2.5% below 200 meshes, and the percentages are mass percentages. The high-calcium zinc-containing glass frit suitable for particle grading is beneficial to improving the pattern effect, and the high-calcium zinc-containing glass frit can highlight the metal glittering texture and the micro carving feel.
Furthermore, the pattern layer is a line pattern or a dot pattern. The line pattern can make the product show the wire drawing effect of imitative metal.
Further, the manufacturing method of the porcelain plate with metal texture which highlights the bright/matte contrast comprises the following steps:
1) preparing colored blank powder and colored flour slurry;
2) pressing and molding the colored blank powder to obtain a blank;
3) the blank body enters a drying kiln for drying, and the surface temperature of the blank body is kept at 110-130 ℃ after the blank body leaves the drying kiln;
4) uniformly spraying the colored surface slurry on the whole surface of the blank to form a colored surface layer;
5) forming a pattern on the colored surface layer in the step 4) by ink-jet printing;
6) spraying the high-calcium zinc-containing glass dry particles on the pattern layer obtained in the step 5) by using glue as a medium;
7) treating the semi-finished product obtained in the step 6) at 150-450 ℃ to remove glue and blank free water, and sintering at 1200-1400 ℃ to obtain a ceramic plate finished product.
Further, the ink-jet printing of the above step 5) controls the color of the pattern by adjusting the ink composition and the ink-jet amount.
Further, the ink ejection amount is adjusted by controlling the ink ejection gradation.
Further, the pattern is one or a combination of staggered straight lines, parallel straight lines and dot patterns.
Further, the main components of the flour paste are the same as those of the colored blank powder. The surface slurry has the same main components as the colored blank, has similar expansion coefficient, has better integral effect after sintering, and is not easy to have the defects of separation, cracking and the like.
The invention has the following beneficial effects:
(1) according to the invention, the colored surface layer is printed by the fine carving ink in an inkjet way to form the pattern, and then the pattern is matched with the dry particles, the sintered colored surface layer has the matte metal texture, the pattern has the bright metal texture and high contrast, the appearance has the visual fine carving sense, the pattern has high fineness and large design space, the expression effect can be greatly enriched, and the expression force is improved.
(2) The invention can more accurately control the components and the thickness of each layer structure, realize more matched expansion coefficients and improve the quality of the porcelain plate.
(3) The surface paste is coated on the surface of a blank by a spraying process instead of a slurry pouring process, so that the thickness is easier to control, the surface paste is suitable for production and processing of thin plates, the material used by the surface paste is greatly saved, and the surface paste has a rough expression effect.
[ description of the drawings ]
FIG. 1 is a schematic side view of a first embodiment;
FIG. 2 is a schematic front view of the first embodiment;
FIG. 3 is a schematic front view of the second embodiment;
FIG. 4 is a schematic front view of a third embodiment;
description of the labeling: 1, a green body layer; 2, a colored surface layer; 3, patterning; 4, dry particle layer.
[ detailed description ] embodiments
The present invention will be described in further detail with reference to the following examples, but the present invention is not limited to the following examples.
The ceramic plates are various in types, and among them, ceramic plates with metal texture, unique gloss effect and rich patterns are increasingly popular in the market. The invention provides a metal texture porcelain plate with outstanding bright/matte contrast, wherein a matte area is formed by sintering a colored surface layer and a dry particle layer, a bright area is formed by sintering a pattern layer formed by ink-jet printing of colored surface layer and carved ink and the dry particle layer, the bright area and the pattern layer have different light reflection, and the bright area have outstanding bright and dark contrast and form a flashing metal texture effect on the appearance.
The bright and matte concepts of the invention are relative concepts under the same conditions. The main components of the finishing impression ink comprise 0.8-3 parts by weight of MgO, 12-17 parts by weight of CaO and 4-6 parts by weight of Al2O360 to 70 parts by weight of SiO27.5 to 11 parts by weight of ZnO, 2 to 4 parts by weight of K2O, and the other components are less than 3 parts by weight; the main components of the dry particle layer are 5.5-10 parts by weight of CaO and 13-18.5 parts by weight of Al2O360 to 68 parts by weight of SiO23 to 6 parts by weight of K2O, 1.8-3 parts by weight of Na2O, 0.5-2 parts by weight of MgO, 0.5-2 parts by weight of BaO, 0.15-1 part by weight of ZnO, and less than 3 parts by weight of other components.
The functional components of the dry particle layer are high-calcium zinc-containing glass dry particles, the particle size composition of the dry particles is 0.5-2.5% above 80 meshes, 25-31.5% above 80 meshes-100 meshes, 65-70.5% below 100 meshes-200 meshes and 0.5-2.5% below 200 meshes, and the percentages are mass percentages. The high calcium zinc-containing glass frit can form micro carving with the height difference of 0.15-2 mm, the high calcium zinc-containing glass frit with proper size is beneficial to improving the pattern effect, and the high calcium zinc-containing glass frit can highlight the metal glittering texture and the micro carving feel.
The manufacturing method of the metal texture porcelain plate with the prominent bright/matte contrast comprises the following steps:
1) preparing colored blank powder and colored flour slurry;
2) pressing and molding the colored blank powder to obtain a blank; the body is preferably silicate ceramic;
3) the blank body enters a drying kiln for drying, and the surface temperature of the blank body is kept at 110-130 ℃ after the blank body leaves the drying kiln;
4) uniformly spraying the colored surface slurry on the whole surface of the blank to form a colored surface layer; the preferred main components of the surface paste are the same as those of the colored blank powder, the expansion coefficients are similar, the integral effect is better after sintering, and the defects of separation, cracking and the like are not easy to occur;
5) forming a pattern on the colored surface layer in the step 4) by ink-jet printing; the color of the pattern can be controlled by adjusting the ink components and the ink jet amount, and the ink jet amount is adjusted by controlling the ink jet gray level;
6) spraying the high-calcium zinc-containing glass dry particles on the pattern layer obtained in the step 5) by using glue as a medium;
7) treating the semi-finished product obtained in the step 6) at 150-450 ℃ to remove glue and blank free water, and sintering at 1200-1400 ℃ to obtain a ceramic plate finished product.
The following examples are not provided to limit the scope of the present invention, nor are the steps described to limit the order of execution, and the directions described are limited to the drawings. The main components of the invention refer to basic functional components which are required to be possessed, and other additives which do not influence the functions can be added on the basis. Modifications of the invention which are obvious to those skilled in the art in view of the prior art are also within the scope of the invention as claimed.
Example one
A metal-textured porcelain panel with highlighted bright/matte contrast was prepared by the following manufacturing method:
1) preparing colored blank powder and colored flour slurry;
2) pressing and molding the colored blank powder to obtain a blank;
3) the blank body enters a drying kiln for drying, and the surface temperature of the blank body is kept at 110-130 ℃ after the blank body leaves the drying kiln;
4) uniformly spraying the surface slurry on the whole surface of one side of the blank to form a whole colored surface layer, wherein the surface slurry has the same main components as the colored blank;
5) the blank with the surface evenly sprayed with the surface paste is subjected to ink-jet printing through a digital ink-jet device to form a parallel line pattern, and the main components of the finishing impression ink comprise 1.86 parts by weight of MgO, 14.63 parts by weight of CaO and 5.16 parts by weight of Al2O364.67 parts by weight of SiO29.25 parts by weight of ZnO, 2.81 parts by weight of K2O, 1.62 parts by weight of other components;
6) spraying slurry formed by dispersing dry particles in a glue medium on the whole surface of the side, provided with the surface slurry and the patterns, of the blank obtained in the step 5) to form a dry particle layer; the dry pellets were composed of 7.54 parts by weight of CaO and 16.44 parts by weight of Al2O364.65 parts by weight of SiO24.3 parts by weight of K2O, 2.26 parts by weight of Na2O, 1.07 weight parts of MgO, 1.23 weight parts of BaO, 0.41 weight part of ZnO to form high-calcium zinc-containing glass dry particles, and 2.1 weight parts of other components; the grain composition is 2.5 percent above 80 meshes, 25 percent between 80 meshes and 100 meshes, 70 percent between 100 meshes and 200 meshes and 2.5 percent below 200 meshes, and the percentages are mass percent.
7) Heating the product obtained in the step 6) to 200 ℃ for processing to remove glue, processing at 350 ℃ until the free water of the blank is below the detection limit, and sintering at 1300 ℃ to form the porcelain plate.
Before sintering, the side structure of the product is schematically shown in fig. 1, and the front structure of the product is schematically shown in fig. 2. And sintering to obtain a metal texture porcelain plate with outstanding bright/matte contrast, wherein the colored surface layer, the transparent dry particles and the carved ink patterns are sintered and fused together at high temperature to generate the effect similar to parallel line metal wire drawing. The colored surface layer and the dry particle layer on the ceramic plate blank layer are sintered at high temperature to generate metal brightness which is lower than that of wire drawing, so that a matte-wire drawing bright pattern progressive effect is generated.
Example two
A metal-textured porcelain panel with highlighted bright/matte contrast was prepared by the following manufacturing method:
1) preparing colored blank powder and colored flour slurry;
2) pressing and molding the colored blank powder to obtain a blank;
3) the blank body enters a drying kiln for drying, and the surface temperature of the blank body is kept at 110-130 ℃ after the blank body leaves the drying kiln;
4) uniformly spraying the surface slurry on the whole surface of one side of the blank to form a whole colored surface layer, wherein the surface slurry has the same main components as the colored blank;
5) the blank body with the surface evenly sprayed with the surface paste is subjected to ink-jet printing through a digital ink-jet device to form an intersecting line pattern, and the main components of the finishing impression ink comprise 2.98 parts by weight of MgO, 16.95 parts by weight of CaO and 4.02 parts by weight of Al2O360.05 parts by weight of SiO210.99 parts by weight of ZnO and 3.07 parts by weight of K2O, 1.94 parts by weight of other components;
6) spraying slurry formed by dispersing dry particles in a glue medium on the whole surface of the side, provided with the surface slurry and the patterns, of the blank obtained in the step 5) to form a dry particle layer; the dry granules are composed of 9.97 weight parts of CaO and 18.56 weight parts of Al2O360.07 parts by weight of SiO23.02 parts by weight of K2O, 1.81 parts by weight of Na2O, 1.96 parts by weight of MgO, 0.76 part by weight of BaO, 0.99 part by weight of ZnO, and 2.86 parts by weight of other components; the grain composition is 0.5 percent above 80 meshes, 31.5 percent between 80 meshes and 100 meshes, 66 percent between 100 meshes and 200 meshes and 2 percent below 200 meshes, and the percentages are mass percent.
7) Heating the product obtained in the step 6) to 180 ℃, processing to remove glue, processing at 450 ℃ until the free water of the blank is below the detection limit, and sintering at 1200 ℃ to form the porcelain plate.
The front pattern of the product is shown in fig. 3, and the colored surface layer, the transparent dry particles and the carved ink pattern are sintered and fused together at high temperature to generate the effect similar to the metal wire drawing with intersecting lines. And the colored surface layer and the dry particle layer on the ceramic plate blank layer can also produce lower brightness compared with the wiredrawing brightness after high-temperature sintering, so that a matte-wiredrawing bright pattern progressive effect is produced.
EXAMPLE III
A metal-textured porcelain panel with highlighted bright/matte contrast was prepared by the following manufacturing method:
1) preparing colored blank powder and colored flour slurry;
2) pressing and molding the colored blank powder to obtain a blank;
3) the blank body enters a drying kiln for drying, and the surface temperature of the blank body is kept at 110-130 ℃ after the blank body leaves the drying kiln;
4) uniformly spraying the surface slurry on the whole surface of one side of the blank to form a whole colored surface layer, wherein the surface slurry has the same main components as the colored blank;
5) the blank with the surface evenly sprayed with the surface paste is subjected to ink-jet printing through a digital ink-jet device to form a dot pattern, and the main components of the finishing impression ink comprise 0.8 weight part of MgO, 12.01 weight parts of CaO and 4.95 weight parts of Al2O369.93 parts by weight of SiO27.52 parts by weight of ZnO, 3.98 parts by weight of K2O, 0.81 part by weight of other components;
6) spraying slurry formed by dispersing dry particles in a glue medium on the whole surface of the side, provided with the surface slurry and the patterns, of the blank obtained in the step 5) to form a dry particle layer; the dry pellets consist of 5.52 parts by weight of CaO and 13.03 parts by weight of Al2O367.94 parts by weight of SiO25.98 parts by weight of K2O, 3.0 parts by weight of Na2O, 0.51 weight part of MgO, 0.5 weight part of BaO, 0.75 weight part of ZnO to form high-calcium zinc-containing glass dry particles, and 2.77 weight parts of other components; the grain composition is more than 80 meshes and 2 percent, 80 to 100 meshes and 31 percent, 100 to 200 meshes and 65 percent, and less than 200 meshes and 2 percent, wherein the mass percentage is more than the percentage.
7) Heating the product obtained in the step 6) to 150 ℃, processing to remove glue, processing at 200 ℃ until the free water of the blank is below the detection limit, and sintering at 1400 ℃ to form the porcelain plate.
The front pattern of the product is shown in fig. 4, and the colored surface layer, the transparent dry particles and the carved ink pattern are sintered and fused together at high temperature to generate the effect similar to the punctiform fine carved. And the colored surface layer and the dry particle layer on the ceramic plate body layer can also produce low brightness through high-temperature sintering, so that the effect of fine finishing carving of a bright point is produced.
Example four
A metal-textured porcelain panel with highlighted bright/matte contrast was prepared by the following manufacturing method:
1) preparing colored blank powder and colored flour slurry;
2) pressing and molding the colored blank powder to obtain a blank;
3) the blank body enters a drying kiln for drying, and the surface temperature of the blank body is kept at 110-130 ℃ after the blank body leaves the drying kiln;
4) uniformly spraying the surface slurry on the whole surface of one side of the blank to form a whole colored surface layer, wherein the surface slurry has the same main components as the colored blank;
5) the blank with the surface evenly sprayed with the surface paste is subjected to ink-jet printing through a digital ink-jet device to form a dot pattern, and the main components of the finishing impression ink comprise 2.16 parts by weight of MgO, 15.82 parts by weight of CaO and 5.67 parts by weight of Al2O363.4 parts by weight of SiO28.78 parts by weight of ZnO, 2.05 parts by weight of K2O, 2.57 parts by weight of other components;
6) spraying slurry formed by dispersing dry particles in a glue medium on the whole surface of the side, provided with the surface slurry and the patterns, of the blank obtained in the step 5) to form a dry particle layer; the dry pellets were composed of 8.13 parts by weight of CaO and 15.29 parts by weight of Al2O363.17 parts by weight of SiO25.08 pbw of K2O, 2.07 parts by weight of Na2O, 1.35 parts by weight of MgO, 1.5 parts by weight of BaO, 0.65 part by weight of ZnO, and 2.76 parts by weight of other components; the grain composition is 1 percent above 80 meshes, 28 percent between 80 meshes and 100 meshes, 70.5 percent between 100 meshes and 200 meshes and 0.5 percent below 200 meshes, and the percentages are mass percent.
7) Heating the product obtained in the step 6) to 190 ℃, processing to remove glue, processing at 200 ℃ until the free water of the blank is below the detection limit, and sintering at 1400 ℃ to form the porcelain plate.
The front pattern of the product comprises a dot pattern and an intersecting straight line, and the colored surface layer, the transparent dry particles and the fine engraving ink pattern are sintered and fused together at high temperature to generate the fine engraving effect similar to the dot and the straight line. And the colored surface layer and the dry particle layer on the ceramic plate body layer can also produce low brightness through high-temperature sintering, so that a point and line coexisting fine finishing impression effect is produced.
Claims (10)
1. A metal texture porcelain plate with prominent bright/matte contrast is characterized by comprising a matte area and a bright area, wherein the matte area is formed by sintering a colored surface layer and a dry particle layer which are positioned on a porcelain plate blank layer; the main components of the engraving and milling ink are 0.8-3 parts by weight of MgO, 12-17 parts by weight of CaO and 4-6 parts by weight of Al2O360 to 70 parts by weight of SiO27.5 to 11 parts by weight of ZnO, 2 to 4 parts by weight of K2O, and the other components are less than 3 parts by weight; the main components of the dry particle layer are 5.5-10 parts by weight of CaO and 13-18.5 parts by weight of Al2O360 to 68 parts by weight of SiO23 to 6 parts by weight of K2O, 1.8-3 parts by weight of Na2O, 0.5-2 parts by weight of MgO, 0.5-2 parts by weight of BaO, 0.15-1 part by weight of ZnO, and less than 3 parts by weight of other components.
2. A porcelain panel with metallic texture having excellent brightness/matte contrast according to claim 1, wherein said colored surface layer covers the entire surface of the green body layer of the porcelain panel.
3. The porcelain plate with metal texture and outstanding bright/matte contrast of claim 1, wherein the bright areas and the matte areas are formed with fine engravings with a height difference of 0.15-2 mm.
4. The porcelain plate with metal texture and outstanding bright/matte contrast as claimed in claim 1, wherein the functional component of the dry particle layer is high-calcium zinc-containing glass dry particles, and the particle size of the dry particles is 0.5-2.5% above 80 meshes, 25-31.5% between 80 meshes and 100 meshes, 65-70.5% between 100 meshes and 200 meshes, and 0.5-2.5% below 200 meshes, wherein the percentages are mass percentages.
5. A metal-textured porcelain panel with highlighted bright/matte contrast according to claim 1, wherein the pattern layer is a line pattern or a dot pattern.
6. A porcelain plate with metallic texture having a prominent bright/matte contrast according to claim 1, wherein its manufacturing method comprises the steps of:
1) preparing colored blank powder and colored flour slurry;
2) pressing and molding the colored blank powder to obtain a blank;
3) the blank body enters a drying kiln for drying, and the surface temperature of the blank body is kept at 110-130 ℃ after the blank body leaves the drying kiln;
4) uniformly spraying the colored surface slurry on the whole surface of the blank to form a colored surface layer;
5) forming a pattern on the colored surface layer in the step 4) by ink-jet printing;
6) spraying the high-calcium zinc-containing glass dry particles on the pattern layer obtained in the step 5) by using glue as a medium;
7) treating the semi-finished product obtained in the step 6) at 150-450 ℃ to remove glue and blank free water, and sintering at 1200-1400 ℃ to obtain a ceramic plate finished product.
7. A metal-textured porcelain panel with highlighted bright/matte contrast according to claim 6, wherein the ink-jet printing of step 5) controls the color of the pattern by adjusting the ink composition and the ink-jet amount.
8. A porcelain plate with metallic texture having excellent bright/matte contrast according to claim 7, wherein said ink ejection amount is adjusted by controlling the gray level of the ink ejection.
9. A porcelain panel with highlighted bright/matte contrast and metallic texture according to claim 6, wherein the pattern in step 5) is one of a staggered straight line, a parallel straight line, a dot pattern or a combination thereof.
10. A porcelain panel with metallic texture having excellent bright/matte contrast according to claim 6, wherein said surface paste has the same main component as said colored body powder.
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| CN113979789B (en) * | 2021-11-29 | 2022-11-25 | 广东金牌陶瓷有限公司 | Preparation process of golden velvet texture ceramic rock plate and ceramic rock plate |
| CN116178050B (en) * | 2022-09-07 | 2024-01-05 | 佛山市东鹏陶瓷有限公司 | Preparation method of glaze with flash dry grain effect, brick and application thereof |
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| CN1765836B (en) * | 2005-09-07 | 2010-05-12 | 毛海燕 | Ceramic glaze with metal sense of reality |
| CN101157543B (en) * | 2007-09-27 | 2011-09-21 | 广东金意陶陶瓷有限公司 | Method for making ceramic tile with metallic luster local interspersing surface |
| CN101786904B (en) * | 2009-12-22 | 2012-02-01 | 咸阳陶瓷研究设计院 | Color-changing glaze for metallic luster ceramics and preparation method thereof |
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