CN114031370A - Black pottery color-changing preparation method - Google Patents
Black pottery color-changing preparation method Download PDFInfo
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- CN114031370A CN114031370A CN202111369542.2A CN202111369542A CN114031370A CN 114031370 A CN114031370 A CN 114031370A CN 202111369542 A CN202111369542 A CN 202111369542A CN 114031370 A CN114031370 A CN 114031370A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 238000010304 firing Methods 0.000 claims abstract description 33
- 238000001035 drying Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 238000005498 polishing Methods 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 239000011241 protective layer Substances 0.000 claims abstract description 4
- 239000004927 clay Substances 0.000 claims description 23
- 239000002002 slurry Substances 0.000 claims description 22
- 239000005995 Aluminium silicate Substances 0.000 claims description 15
- 235000012211 aluminium silicate Nutrition 0.000 claims description 15
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000012535 impurity Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000391 smoking effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000002845 discoloration Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000003086 colorant Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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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
- C04B33/00—Clay-wares
- C04B33/24—Manufacture of porcelain or white ware
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/04—Clay; Kaolin
-
- 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
- C04B33/00—Clay-wares
- C04B33/30—Drying methods
-
- 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
- C04B33/00—Clay-wares
- C04B33/32—Burning methods
-
- 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
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
-
- 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
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
- C04B41/5037—Clay, Kaolin
-
- 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
- C04B41/85—Coating or impregnation with inorganic materials
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/612—Machining
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
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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
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
Abstract
The invention discloses a black pottery color-changing preparation method, which belongs to the technical field of pottery preparation methods and comprises the following steps: selecting materials, airing, crushing, mixing with mud, stirring the mud in vacuum, forming, drying in the shade once, shaping, polishing, and the method is characterized in that: drying in shade twice, coating a protective layer, and firing. Compared with the prior art, the method has the characteristics of smearing high-temperature-resistant materials and realizing color change of fired black pottery.
Description
Technical Field
The invention relates to the technical field of pottery preparation methods, in particular to a black pottery color-changing preparation method.
Background
Black pottery, born in the age of China's stone novelties, is an ancient China pottery-making skill. The process comprises the following steps: in the final stage of firing black pottery, the charcoal is extinguished to produce strong smoke and the smoke is intentionally sooted to form black pottery. However, as the times develop, the single-color black pottery cannot meet the aesthetic requirements of modern people, so that black pottery products with various colors combined with one another are produced.
The invention patent of black pottery preparation method (application number: 2017101763121) describes a process for firing by coating high temperature resistant material on the part of pottery needing color change, which can make the fired black pottery appear black, grey white, yellow and red.
Disclosure of Invention
The invention aims to provide a black pottery color-changing preparation method aiming at the defects of the prior art, and the purpose of realizing color change of fired black pottery by smearing high-temperature-resistant materials is achieved.
The invention provides a black pottery color-changing preparation method which is characterized by comprising the following steps: the method comprises the following steps:
(1) selecting materials: selecting high-quality clay with high density, no impurities and no variegation as clay for the adobe;
(2) and (3) airing: drying the clay in the air to make the dryness of the clay inside and outside consistent and uniform;
(3) crushing: crushing the dried clay into powder;
(4) and (3) mixing mud: mixing the crushed pug into slurry according to the proportion of 50% of clay and 50% of water, filtering the slurry by using a 140-mesh sieve, sealing and storing the slurry for 30 days, and then properly airing the slurry to enable the water content to be about 50% for later use;
(5) stirring the mud in vacuum: stirring the well-dried mud into strips by using a vacuum pug mill to ensure that the structure is compact and has no bubbles;
(6) molding: using a forming machine to make the mud into a blank body with a required shape;
(7) primary drying in shade: drying the prepared green body in the shade in a sunshine-free, wind-free and closed environment until the water content is about 35 percent;
(8) modifying: removing redundant parts of the blank according to the production standard of the product, so that the blank is uniform in thickness and is integrally coordinated and perfect;
(9) polishing: firstly, polishing by a machine to remove impurities on the surface of the blank, filling bubbles with mud, and enabling the surface of the blank to be clean and have certain gloss; then, manually polishing to ensure that the surface of the blank has no pits, no bubbles, no scratches, no concave-convex and is uniform and bright;
the method is characterized in that:
(10) and (3) secondary drying in shade: the method mainly comprises three steps:
secondly, placing the blank in a windless, sunshine-free and sealed environment for drying in the shade until the moisture content is about 30 percent;
coating a protective layer: selecting high-quality kaolin or other high-temperature resistant materials, drying and crushing the kaolin or other high-temperature resistant materials into powder with the granularity of more than 300 meshes, mixing the crushed kaolin or high-temperature resistant materials into slurry, coating the high-temperature resistant slurry on the part of a green body needing to be discolored, and airing the slurry and the black pottery adobe simultaneously to ensure that the green body is dried in the shade uniformly until the moisture content is about 20 percent and the green body is required to be turned over once every 12 hours;
thirdly, placing the blank into a drying chamber to be dried until the moisture content is 2-5%;
(11) firing: placing the green body into a kiln for firing, wherein the kiln temperature is from low to high during firing, heating the kiln to 95 ℃ for 2 hours during firing of the kiln body, firing for 3 hours from 95-195 ℃, firing for 2 hours from 195-295 ℃, firing for 1 hour from 295-395 ℃, firing for 1 hour from 395-495 ℃, heating to 685 ℃ for continuing firing for 1 hour, finally, putting pine twigs or other smoking materials for smoking when the firing temperature reaches 600-800 ℃, sealing the kiln body, cooling the kiln after three days, taking out the greenware, enabling the exposed part of the greenware to be black, enabling the part shielded by kaolin or high-temperature resistant materials to be yellowish brown or grey, and finishing the discoloration of the greenware to obtain the black, grey, yellowish-white and yellowish-brown pottery and other discolored pottery.
The clay used for the adobe is yellow clay.
Compared with the prior art, the invention has the following outstanding beneficial effects:
according to the process, a covering method is used for coating high-temperature-resistant material slurry such as kaolin on the part, needing color change, of the black pottery blank, and in the firing process, the firing temperature of the pottery is 800-900 ℃, and the kaolin is a material for firing the pottery and is 1200-1400 ℃, so that after the pottery is fired, the coated kaolin slurry does not reach the temperature for firing the pottery and is easy to remove by water.
Detailed Description
The invention will be further described with reference to the following description and specific embodiments.
The invention comprises the following steps:
1. selecting materials: selecting high-quality clay with high density, no impurities and no variegation as clay for the adobe;
2. and (3) airing: drying in the sun to make the clay have uniform dryness inside and outside;
3. crushing: crushing the dried clay into powder with more than 300 meshes;
4. and (3) mixing mud: mixing the crushed pug into slurry according to the proportion of 50% of clay and 50% of water, filtering the slurry by using a 140-mesh sieve, sealing and storing the slurry for 30 days, and then properly airing the slurry to enable the water content to be about 50% for later use;
5. stirring the mud in vacuum: stirring the well-dried mud into strips by using a vacuum pug mill to ensure that the structure is compact and has no bubbles;
6. molding: forming the mud into a required shape by using a forming machine;
7. primary drying in shade: drying the prepared green body in the shade in a sunshine-free, wind-free and closed room until the water content is about 35 percent;
8. modifying: removing redundant parts of the blank according to the production standard of the product, so that the blank is uniform in thickness and is integrally coordinated and perfect;
9. polishing: firstly, polishing by a machine to remove impurities on the surface of the blank, filling bubbles with mud, and enabling the surface of the blank to be clean and have certain gloss; then, manually polishing to ensure that the surface of the blank has no pits, no bubbles, no scratches, no concave-convex and is uniform and bright;
10. and (3) secondary drying in shade: the method mainly comprises three steps:
placing the blank in a low-temperature chamber (15-20 ℃) which is windless, sunless and sealed, and drying in the shade until the moisture content is about 30%;
coating a protective layer: selecting high-quality kaolin, drying, crushing into powder with the particle size of more than 300 meshes, mixing into viscous slurry, coating the slurry on a part of a blank body needing to be discolored, placing the blank body in a middle greenhouse (20-25 ℃), drying the blank body in the shade uniformly until the moisture content is about 20%, and turning over once every 12 hours;
thirdly, placing the blank into a drying chamber (40-50 ℃) to be dried until the moisture content is 2% -5%;
11. firing: and placing the green body into a kiln for firing, wherein the kiln temperature is from low to high during firing, the kiln is heated to 95 ℃ for 2 hours during firing of the kiln body, fired from 95-195 ℃ for 3 hours, fired from 195-295 ℃ for 2 hours, fired from 295-395 ℃ for 1 hour, fired from 395-495 ℃ for 1 hour, heated to 685 ℃ for continuous firing for 1 hour, finally, when the firing temperature reaches 600-800 ℃, putting smoking materials such as pine twigs and the like for smoking, sealing the kiln body, cooling the kiln after three days, and taking out the ceramic green body. In the process, because the kaolin can not reach the temperature of sintering into porcelain, the kaolin is very easy to be removed by water, the part shielded by the kaolin is washed off, and the pottery presents various colors such as black, grey white, yellow soil, red and the like, thus obtaining the color-changing black pottery.
In this embodiment, the clay used is yellow clay.
It should be noted that while the invention has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the invention.
Claims (2)
1. The black pottery color-changing preparation method is characterized by comprising the following steps: the method comprises the following steps:
(1) selecting materials: selecting high-quality clay with high density, no impurities and no variegation as clay for the adobe;
(2) and (3) airing: drying the clay in the air to make the dryness of the clay inside and outside consistent and uniform;
(3) crushing: crushing the dried clay into powder;
(4) and (3) mixing mud: mixing the crushed pug into slurry according to the proportion of 50% of clay and 50% of water, filtering the slurry by using a 140-mesh sieve, sealing and storing the slurry for 30 days, and then properly airing the slurry to enable the water content to be about 50% for later use;
(5) stirring the mud in vacuum: stirring the dried mud into strips by a vacuum pug mill to ensure that the strips have compact structure and no bubbles;
(6) molding: using a forming machine to make the mud into a blank body with a required shape;
(7) primary drying in shade: drying the prepared green body in the shade in a sunshine-free, wind-free and closed environment until the water content is about 35 percent;
(8) modifying: removing redundant parts of the blank according to the production standard of the product, so that the blank is uniform in thickness and is integrally coordinated and perfect;
(9) polishing: firstly, polishing by a machine to remove impurities on the surface of the blank, filling bubbles with mud, and enabling the surface of the blank to be clean and have certain gloss; then, manually polishing to ensure that the surface of the blank has no pits, no bubbles, no scratches, no concave-convex and is uniform and bright;
(10) and (3) secondary drying in shade: the method mainly comprises three steps:
placing the blank in a windless, sunshine-free and sealed environment, and drying in the shade until the moisture content is about 30%;
coating a protective layer: selecting high-quality kaolin or other high-temperature resistant materials, drying and crushing the kaolin or other high-temperature resistant materials into powder with the granularity of more than 300 meshes, mixing the crushed kaolin or high-temperature resistant materials into slurry, coating the high-temperature resistant slurry on the part of a green body needing to be discolored, and airing the slurry and the black pottery adobe simultaneously to ensure that the green body is dried in the shade uniformly until the moisture content is about 20 percent and the green body is required to be turned over once every 12 hours;
thirdly, placing the blank into a drying chamber to be dried until the moisture content is 2-5%;
(11) firing: placing the green body into a kiln for firing, wherein the kiln temperature is from low to high during firing, heating the kiln to 95 ℃ for 2 hours during firing of the kiln body, firing for 3 hours from 95-195 ℃, firing for 2 hours from 195-295 ℃, firing for 1 hour from 295-395 ℃, firing for 1 hour from 395-495 ℃, heating to 685 ℃ for continuing firing for 1 hour, finally, putting pine twigs or other smoking materials for smoking when the firing temperature reaches 600-800 ℃, sealing the kiln body, cooling the kiln after three days, taking out the greenware, enabling the exposed part of the greenware to be black, enabling the part shielded by kaolin or high-temperature resistant materials to be yellowish brown or grey, and finishing the discoloration of the greenware to obtain the black, grey, yellowish-white and yellowish-brown pottery and other discolored pottery.
2. The method for preparing color-changing black pottery according to claim 1, wherein the method comprises the following steps: the clay used for the black pottery adobe is yellow clay.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369542.2A CN114031370A (en) | 2021-11-18 | 2021-11-18 | Black pottery color-changing preparation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111369542.2A CN114031370A (en) | 2021-11-18 | 2021-11-18 | Black pottery color-changing preparation method |
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| CN114031370A true CN114031370A (en) | 2022-02-11 |
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| CN202111369542.2A Pending CN114031370A (en) | 2021-11-18 | 2021-11-18 | Black pottery color-changing preparation method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693271A (en) * | 2005-05-24 | 2005-11-09 | 汤建华 | Black pottery and its mfg. tech. |
| CN102992735A (en) * | 2012-11-22 | 2013-03-27 | 河南华美生物工程有限公司 | Preparation method of carbon-containing black pottery |
| CN106946544A (en) * | 2017-03-23 | 2017-07-14 | 绥棱现代黑陶文化艺术有限公司 | The preparation method of double-colored clever black pottery |
-
2021
- 2021-11-18 CN CN202111369542.2A patent/CN114031370A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693271A (en) * | 2005-05-24 | 2005-11-09 | 汤建华 | Black pottery and its mfg. tech. |
| CN102992735A (en) * | 2012-11-22 | 2013-03-27 | 河南华美生物工程有限公司 | Preparation method of carbon-containing black pottery |
| CN106946544A (en) * | 2017-03-23 | 2017-07-14 | 绥棱现代黑陶文化艺术有限公司 | The preparation method of double-colored clever black pottery |
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Application publication date: 20220211 |