CN114907148A - Formula and processing method of over-glaze blue and white pigment - Google Patents
Formula and processing method of over-glaze blue and white pigment Download PDFInfo
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- CN114907148A CN114907148A CN202210567097.9A CN202210567097A CN114907148A CN 114907148 A CN114907148 A CN 114907148A CN 202210567097 A CN202210567097 A CN 202210567097A CN 114907148 A CN114907148 A CN 114907148A
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- 239000012463 white pigment Substances 0.000 title claims abstract description 15
- 238000003672 processing method Methods 0.000 title claims abstract description 11
- 239000001055 blue pigment Substances 0.000 title claims abstract description 6
- 239000000049 pigment Substances 0.000 claims abstract description 49
- 238000001354 calcination Methods 0.000 claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000002156 mixing Methods 0.000 claims abstract description 14
- 239000003086 colorant Substances 0.000 claims abstract description 13
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000000047 product Substances 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000012467 final product Substances 0.000 claims abstract description 4
- 229910000428 cobalt oxide Inorganic materials 0.000 claims description 20
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 claims description 20
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 18
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 18
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 18
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 18
- 238000005406 washing Methods 0.000 claims description 12
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 11
- 239000005995 Aluminium silicate Substances 0.000 claims description 9
- 229910021532 Calcite Inorganic materials 0.000 claims description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 9
- 235000012211 aluminium silicate Nutrition 0.000 claims description 9
- CNLWCVNCHLKFHK-UHFFFAOYSA-N aluminum;lithium;dioxido(oxo)silane Chemical compound [Li+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O CNLWCVNCHLKFHK-UHFFFAOYSA-N 0.000 claims description 9
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 9
- 239000004327 boric acid Substances 0.000 claims description 9
- 235000010338 boric acid Nutrition 0.000 claims description 9
- 239000001506 calcium phosphate Substances 0.000 claims description 9
- 229910000389 calcium phosphate Inorganic materials 0.000 claims description 9
- 235000011010 calcium phosphates Nutrition 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 239000011651 chromium Substances 0.000 claims description 9
- 239000010459 dolomite Substances 0.000 claims description 9
- 229910000514 dolomite Inorganic materials 0.000 claims description 9
- 239000010433 feldspar Substances 0.000 claims description 9
- 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 9
- 239000004323 potassium nitrate Substances 0.000 claims description 9
- 235000010333 potassium nitrate Nutrition 0.000 claims description 9
- 239000010453 quartz Substances 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000004317 sodium nitrate Substances 0.000 claims description 9
- 235000010344 sodium nitrate Nutrition 0.000 claims description 9
- 229910052642 spodumene Inorganic materials 0.000 claims description 9
- 239000000454 talc Substances 0.000 claims description 9
- 235000012222 talc Nutrition 0.000 claims description 9
- 229910052623 talc Inorganic materials 0.000 claims description 9
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 9
- 239000011787 zinc oxide Substances 0.000 claims description 9
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 8
- 239000002689 soil Substances 0.000 claims description 8
- 229910021539 ulexite Inorganic materials 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 241001676573 Minium Species 0.000 claims description 2
- 238000004040 coloring Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010304 firing Methods 0.000 abstract description 5
- 229910052573 porcelain Inorganic materials 0.000 description 11
- 239000000843 powder Substances 0.000 description 9
- 238000000227 grinding Methods 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 235000017550 sodium carbonate Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C04B41/80—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Abstract
The invention provides a processing method of a formula of a pigment with blue and white glaze, wherein the final color tone of a colorant is greatly influenced by other components added into the colorant, and in order to ensure that each batch of ceramic pigment emits the same color tone, raw materials with the same quality are finely weighed and mixed according to the components, and the materials are placed in a mixing tank for mixing; the calcination is an important process for preparing the product, and the aim is to stabilize the product, in the calcination process, different reactions occur due to different properties of raw materials and different expected ceramic pigments, the calcination temperature is the lowest and the use temperature of a pigment final product is the same, the overglaze blue and white pigment can enable overglaze blue and white to be a color capable of being normally produced in all parts of the country without being influenced by climate and environment when in use, the firing temperature of the overglaze blue and white can reach about 800-.
Description
Technical Field
The invention relates to the fields of research, development and production of a pigment formula for ceramic over-glaze painting, in particular to a formula and a processing method of an over-glaze blue-and-white pigment.
Background
The blue and white porcelain is an underglaze color painted porcelain, the porcelain is painted with ornamentation on a semi-finished blank, then a mineral substance containing cobalt element is used as a coloring agent, then a blue and white glaze is covered on the blank, finally the blank is placed into a kiln and is fired by high-temperature reduction, the glaze on the surface of the ware is melted into colorless and transparent glass after being heated, the cobalt oxide under the glaze layer is bluish after chemical reaction in the kiln, and the color development is intense and stable, thus the underglaze color porcelain is formed.
The underglaze blue and white is sintered under the change of temperature to have the color and the effect similar to the underglaze blue and white due to the fact that the underglaze blue and white contains a plurality of color generation elements when the underglaze blue and white is sintered in a kiln after being painted or processed on a ceramic article.
The blue and white is a traditional art color, the color is classical and elegant, and the blue and white is widely applied to drawing or production on ceramic artware and ceramic blank bodies of artware at present, the firing temperature is about 1200-1300 ℃, the firing time is about 12 hours, and high-temperature oxidation reduction firing is needed, so that inconvenience is brought to ceramic drawing and production.
The blue and white porcelain is one of four famous porcelain in China, except Jingdezhen, because the influence of all the climates and environments can not reach the ideal blue and white porcelain effect, the blue and white porcelain is the approval of the world people to the porcelain, the traditional blue and white porcelain is formed by using cobalt ore containing cobalt oxide as a raw material, drawing a decorative pattern on a ceramic blank, covering a layer of transparent glaze, and sintering by high-temperature 1300-degree reducing flame.
The blue and white glaze is applied to artistic porcelain, and is colored on the glaze, so that the blue and white glaze is easy to wear, easy to be corroded by acid, alkali and the like and easy to fade, but has low burning temperature, bright color selection materials, rich varieties and strong artistry, is mainly used for displaying utensils and ornaments, and has higher appreciation value.
Disclosure of Invention
The invention aims to solve the problems in the background art, and provides a formula and a processing method of a blue-and-white over-glaze pigment, wherein the blue-and-white over-glaze pigment can be used for enabling the blue-and-white over-glaze to be a color capable of being normally produced in all parts of the country without being influenced by climate and environment.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: the pigment formula of the over-glaze blue and white is characterized by comprising the following components: zinc oxide, aluminum oxide, cobalt oxide, feldspar, quartz, calcite, dolomite, boric acid, potassium nitrate, calcium phosphate, talc, sodium nitrate, spodumene, calcined soil, kaolin, red lead, ulexite, calcined soda, chromium green, iron oxide red and cobalt oxide.
The improvement comprises the following components in parts by weight: 10 to 15 percent of zinc oxide, 5 to 40 percent of alumina, 0.1 to 30 percent of cobalt oxide, 10 to 40 percent of feldspar, 15 to 45 percent of quartz, 1 to 30 percent of calcite, 0.5 to 20 percent of dolomite, 0.1 to 20 percent of boric acid, 0.1 to 15 percent of potassium nitrate, 0.1 to 13 percent of calcium phosphate, 0.1 to 15 percent of talcum, 0.1 to 12 percent of sodium nitrate, 0.2 to 24 percent of spodumene, 0.6 to 30 percent of calcined clay, 0.1 to 25 percent of kaolin, 0.1 to 23 percent of minium, 0.4 to 28 percent of borolysis stone, 0.1 to 30 percent of calcined soda, 0.5 to 35 percent of chromium green, 20 to 55 percent of iron oxide red and 0.1 to 20 percent of cobalt oxide.
The improvement comprises the following components in parts by weight: 10% of zinc oxide, 5% of aluminum oxide, 2% of cobalt oxide, 10% of feldspar, 15% of quartz, 2% of calcite, 2% of dolomite, 3% of boric acid, 2% of potassium nitrate, 4% of calcium phosphate, 2% of talcum, 2% of sodium nitrate, 3% of spodumene, 2% of calcined soil, 3% of kaolin, 3% of red lead, 2% of ulexite, 3% of calcined soda, 4% of chromium green, 20% of iron oxide red and 1% of cobalt oxide.
A processing method of an over-glaze blue-and-white pigment formula is characterized by comprising the following steps:
(1) mixing, wherein the final color tone of the colorant is greatly influenced by other components added into the colorant, and in order to ensure that each batch of ceramic pigment emits the same color tone, raw materials with the same mass are finely weighed and mixed according to the composition, and the materials are placed in a mixing tank for mixing;
(2) calcination, which is an important process for producing a product and is intended to stabilize the product, wherein different reactions occur during calcination depending on the properties of the raw materials and the desired ceramic pigment, and the calcination temperature is at least the same as the use temperature of the final product of the coloring material, and the mixed materials are placed in a calciner to be calcined;
(3) washing, namely, after crushing the calcined pigment, washing with water in order to remove all soluble substances;
(4) the required fineness is obtained by crushing, washing with water, and then crushing by a rolling disc type mill or a ball mill by a wet method, the granularity of the pigment is required to pass through a 300-mesh sieve, the pigment is difficult to use due to uneven granularity when the crushing is insufficient, and the pigment is in a spot shape after being fired due to lack of covering power, otherwise, the pigment cannot be fully fused in glaze to cause the occurrence of glaze rolling when the crushing is excessively fine like dust.
As an improvement, the pigment is calcined at the high temperature of 800-900 ℃ for 2.5-3 hours.
The invention has the beneficial effects that: the formula and the processing method of the pigment with the over-glaze blue and white can ensure that the over-glaze blue and white can become a color capable of being normally produced in all over the country without being influenced by climate and environment when the pigment with the over-glaze blue and white is used, the firing temperature of the over-glaze blue and white can reach about 800 plus one year at 900 ℃ in the using process of the pigment, and the period can be as long as about 4 hours, so that the inconvenience brought by the traditional blue and white is changed.
Detailed Description
The present invention is illustrated below by way of specific examples, which are not intended to be limiting.
Example one
The formula of the over-glaze blue-and-white pigment comprises the following components in parts by weight: 10% of zinc oxide, 5% of aluminum oxide, 2% of cobalt oxide, 10% of feldspar, 15% of quartz, 2% of calcite, 2% of dolomite, 3% of boric acid, 2% of potassium nitrate, 4% of calcium phosphate, 2% of talcum, 2% of sodium nitrate, 3% of spodumene, 2% of calcined soil, 3% of kaolin, 3% of red lead, 2% of ulexite, 3% of calcined soda, 4% of chromium green, 20% of iron oxide red and 1% of cobalt oxide.
A processing method of an over-glaze blue-and-white pigment formula comprises the following steps:
the final color tone of the colorant is greatly influenced by other components added into the colorant, and in order to enable each batch of ceramic pigment to emit the same color tone, raw materials with the same mass are finely weighed and mixed according to the composition, and the materials are placed in a mixing tank for mixing; calcination is an important process for the production of a product, and the purpose is to stabilize the product, wherein different reactions occur during calcination depending on the properties of the raw materials and the desired ceramic pigment, the calcination temperature is at least as high as the use temperature of the pigment end product, and the mixed materials are calcined in a calciner at a high temperature of 800 ℃ for a calcination time of 2.5 hours.
Crushing the calcined pigment, and then washing with water to remove all soluble substances; after washing, the powder is ground by a grinding disc type mill or a ball mill by a wet method to obtain the required fineness, the granularity of the pigment is required to pass through a 300-mesh sieve, the pigment is difficult to use due to uneven granularity when the powder is not ground sufficiently, and the pigment is in a spot shape after being fired due to lack of covering power, otherwise, the powder is too fine as dust and can not be fully fused in glaze, thus causing the occurrence of glaze rolling.
Example two
The formula of the over-glaze blue-and-white pigment comprises the following components in parts by weight: 14% of zinc oxide, 8% of aluminum oxide, 2% of cobalt oxide, 11% of feldspar, 16% of quartz, 3% of calcite, 2% of dolomite, 1% of boric acid, 2% of potassium nitrate, 2% of calcium phosphate, 2% of talcum, 1% of sodium nitrate, 4% of spodumene, 1% of calcined soil, 1% of kaolin, 2% of red lead, 2% of ulexite, 4% of soda ash, 1% of chromium green, 20% of iron oxide red and 1% of cobalt oxide.
A processing method of an over-glaze blue-and-white pigment formula comprises the following steps:
the final color tone of the colorant is greatly influenced by other components added into the colorant, and in order to enable each batch of ceramic pigment to emit the same color tone, raw materials with the same mass are finely weighed and mixed according to the composition, and the materials are placed in a mixing tank for mixing; calcination is an important process for product production, and its purpose is to stabilize the product, in the calcination process, different reactions occur depending on the properties of the raw materials and the desired ceramic pigment, the calcination temperature is at least the same as the use temperature of the pigment final product, the mixed materials are placed in a calcination furnace for calcination, and in the calcination process, the pigment is calcined at a high temperature of 900 ℃ for 3 hours.
Crushing the calcined pigment, and then washing with water to remove all soluble substances; after washing, the powder is ground by a grinding disc type mill or a ball mill by a wet method to obtain the required fineness, the granularity of the pigment is required to pass through a 300-mesh sieve, the pigment is difficult to use due to uneven granularity when the powder is not ground sufficiently, and the pigment is in a spot shape after being fired due to lack of covering power, otherwise, the powder is too fine as dust and can not be fully fused in glaze, thus causing the occurrence of glaze rolling.
EXAMPLE III
The formula of the over-glaze blue-and-white pigment comprises the following components in parts by weight: 12% of zinc oxide, 6% of aluminum oxide, 1% of cobalt oxide, 11% of feldspar, 13% of quartz, 3% of calcite, 2% of dolomite, 1% of boric acid, 2% of potassium nitrate, 3% of calcium phosphate, 2% of talcum, 3% of sodium nitrate, 5% of spodumene, 2% of calcined soil, 2% of kaolin, 2% of red lead, 2% of ulexite, 1% of soda ash, 3% of chromium green, 22% of iron oxide red and 2% of cobalt oxide.
A processing method of an over-glaze blue-and-white pigment formula comprises the following steps:
the final color tone of the colorant is greatly influenced by other components added into the colorant, and in order to enable each batch of ceramic pigment to emit the same color tone, raw materials with the same quality are finely weighed and mixed according to the composition, and the materials are placed in a mixing tank for mixing; calcination is an important process for the production of a product, and the purpose is to stabilize the product, wherein different reactions occur during calcination depending on the properties of the raw materials and the desired ceramic pigment, the calcination temperature is at least as high as the use temperature of the pigment end product, and the mixed materials are calcined in a calciner at a high temperature of 850 ℃ for a calcination time of 2.5 hours.
Crushing the calcined pigment, and then washing with water to remove all soluble substances; after washing, the powder is ground by a grinding disc type mill or a ball mill by a wet method to obtain the required fineness, the granularity of the pigment is required to pass through a 300-mesh sieve, the pigment is difficult to use due to uneven granularity when the powder is not ground sufficiently, and the pigment is in a spot shape after being fired due to lack of covering power, otherwise, the powder is too fine as dust and can not be fully fused in glaze, thus causing the occurrence of glaze rolling.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The overglaze blue and white pigment formula is characterized by comprising the following components: zinc oxide, aluminum oxide, cobalt oxide, feldspar, quartz, calcite, dolomite, boric acid, potassium nitrate, calcium phosphate, talc, sodium nitrate, spodumene, calcined soil, kaolin, red lead, ulexite, calcined soda, chromium green, iron oxide red and cobalt oxide.
2. The over-glaze blue and white pigment formula according to claim 1, which is characterized by comprising the following components in parts by weight: 10-15% of zinc oxide, 5-40% of aluminum oxide, 0.1-30% of cobalt oxide, 10-40% of feldspar, 15-45% of quartz, 1-30% of calcite, 0.5-20% of dolomite, 0.1-20% of boric acid, 0.1-15% of potassium nitrate, 0.1-13% of calcium phosphate, 0.1-15% of talcum, 0.1-12% of sodium nitrate, 0.2-24% of spodumene, 0.6-30% of calcined soil, 0.1-25% of kaolin, 0.1-23% of minium, 0.4-28% of ulexite, 0.1-30% of calcined soda, 0.5-35% of chromium green, 20-55% of iron oxide red and 0.1-20% of cobalt oxide.
3. The over-glaze blue and white pigment formula according to claim 1, which is characterized by comprising the following components in parts by weight: 10% of zinc oxide, 5% of aluminum oxide, 2% of cobalt oxide, 10% of feldspar, 15% of quartz, 2% of calcite, 2% of dolomite, 3% of boric acid, 2% of potassium nitrate, 4% of calcium phosphate, 2% of talcum, 2% of sodium nitrate, 3% of spodumene, 2% of calcined soil, 3% of kaolin, 3% of red lead, 2% of ulexite, 3% of calcined soda, 4% of chromium green, 20% of iron oxide red and 1% of cobalt oxide.
4. A processing method of an over-glaze blue-and-white pigment formula is characterized by comprising the following steps:
(1) mixing, wherein the final color tone of the colorant is greatly influenced by other components added into the colorant, and in order to ensure that each batch of ceramic pigment emits the same color tone, raw materials with the same mass are finely weighed and mixed according to the composition, and the materials are placed in a mixing tank for mixing;
(2) calcination, which is an important process for producing a product and is intended to stabilize the product, wherein different reactions occur during calcination depending on the properties of the raw materials and the desired ceramic pigment, and the calcination temperature is at least the same as the use temperature of the final product of the coloring material, and the mixed materials are placed in a calciner to be calcined;
(3) washing, namely, after crushing the calcined pigment, washing with water in order to remove all soluble substances;
(4) the required fineness is obtained by crushing, washing with water, and then crushing by a rolling disc type mill or a ball mill by a wet method, the granularity of the pigment is required to pass through a 300-mesh sieve, the pigment is difficult to use due to uneven granularity when the crushing is insufficient, and the pigment is in a spot shape after being fired due to lack of covering power, otherwise, the pigment cannot be fully fused in glaze to cause the occurrence of glaze rolling when the crushing is excessively fine like dust.
5. The method as claimed in claim 4, wherein the pigment is calcined at 800-900 ℃ for 2.5-3 hours.
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| CN102515733A (en) * | 2011-12-14 | 2012-06-27 | 李学武 | Production process for famille-rose peony porcelain |
| CN102515708A (en) * | 2011-12-14 | 2012-06-27 | 李学武 | Method for fabricating blue-and-white peony porcelain |
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| CN104761294A (en) * | 2015-03-31 | 2015-07-08 | 马健 | Technology for embedding metal into blue and white porcelain |
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Application publication date: 20220816 |