CN114014549A

CN114014549A - Transmutation glaze with metallic luster and transmutation glaze porcelain

Info

Publication number: CN114014549A
Application number: CN202111539415.2A
Authority: CN
Inventors: 彭宏; 汪大谷; 邹建华; 张亮
Original assignee: Hunan Hualian Ebillion China Industry Co ltd
Current assignee: Hunan Hualian Ebillion China Industry Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-02-08
Anticipated expiration: 2041-12-15
Also published as: CN114014549B

Abstract

The invention relates to a transmutation glaze with metallic luster and a transmutation glaze porcelain, and belongs to the technical field of ceramics. The transmutation glaze comprises the following components in parts by weight: 82-90 parts of high-transmittance basic glaze and 8.5-12 parts of color forming glaze, wherein the color forming glaze takes the galena and the spodumene as main color generation raw materials, a bottom color layer with natural texture and rusted metal color is formed after firing, yttrium oxide and antimony oxide form solid solution in a crystal phase during high-temperature firing to prevent the crystal grains from growing up and form refined crystal grains, so that the high-transmittance basic glaze has higher reflectivity and stronger metal texture.

Description

Transmutation glaze with metallic luster and transmutation glaze porcelain

Technical Field

The invention belongs to the technical field of ceramics, and particularly relates to a transmutation glaze with metallic luster and a transmutation glaze porcelain.

Background

The transmutation glaze is glaze with glaze color deviating from the original color in the firing process, the transmutation is generated by a chemical mechanism and a physical action, and although the mechanism of the transmutation cannot be comprehensively mastered, the transmutation can be carried out towards the designed direction by setting a formula and process parameters.

The metallic luster glaze is a novel ceramic art glaze, which has elegant, luxurious and solemn artistic effects, and the architectural ceramic product decorated by the same has vivid metallic decoration effects, so the ceramic product with metallic luster is more and more favored by consumers.

In the prior art, a multi-layer glazing method is adopted for the metallic luster glaze, and the process comprises the following steps: the method is characterized in that base coat is applied to the surface of a porcelain blank, then a color base with metal luster is applied to the surface of the base coat, and finally surface coat is applied for firing.

Disclosure of Invention

In order to solve the technical problems mentioned in the background art, the invention aims to provide a transmutation glaze with metallic luster and a transmutation glazed porcelain.

The purpose of the invention can be realized by the following technical scheme:

the transmutation glaze with metallic luster comprises the following components in parts by weight: 82-90 parts of high-transmittance basic glaze and 8.5-12 parts of color-forming glaze.

The high-transparency basic glaze comprises the following components in parts by weight: 28-35 parts of albite, 14-22 parts of quartz, 10-15 parts of zircon, 8-12 parts of glass beads and 3-7 parts of potassium feldspar;

the high-transparency basic glaze is prepared by the following steps:

step J01: taking albite, quartz, zirconite and potash feldspar according to the weight part ratio, crushing to the grain size not more than 2mm, uniformly stirring and mixing the powder by adopting a mixer to obtain a batch mixture, adding the batch mixture into a sintering furnace, heating to 1380-; the glass beads have a hollow structure, are poor in heat conduction performance and crisp in texture, are added after the batch is sintered, have low sintering strength with the batch, and are used as breaking points in the water quenching process, so that the sintered material is finer and more uniform, and the subsequent grinding is facilitated;

step J02: crushing the sintered material into powder with the particle size not more than 0.5mm by a crusher, adding the powder into a wet ball mill for grinding, and setting the grinding fineness of the wet ball mill to be 0.1-0.15% of the screen residue of a 250-mesh sieve to obtain raw slurry;

step J03: stirring and mixing the raw slurry and sodium humate, then placing at 30 +/-5 ℃ for ageing for 30-60 days, taking out and stirring after ageing is finished, and adjusting the specific gravity of the slurry to be 1.6-1.8 to obtain the high-transparency basic glaze.

Further, the ratio of the addition amount of the sodium humate to the sintered material is 2.25-3 g: 1 kg.

The color forming glaze comprises a color generating agent and a gloss auxiliary agent, wherein:

the color former comprises, by weight, 5.7-6.5 parts of galena, 2-5 parts of spodumene, 3-4 parts of zinc oxide and 2-5 parts of nickel powder;

the gloss auxiliary agent comprises 0.8 to 1.2 parts of yttrium oxide, 0.5 to 0.7 part of antimony oxide and 1.2 to 1.4 parts of titanium dioxide according to parts by weight;

the color-forming glaze is prepared by the following steps:

step S01: grinding the raw materials of the color former and the gloss auxiliary agent respectively, screening the raw materials by a 50-mesh screen, and proportioning the screened materials according to the weight part ratio to obtain a composite color former;

step S02: mixing the composite toner and CMC in a dosage ratio of 35-50 g: adding 1kg of the mixture into a wet grinder for grinding, setting the grinding fineness of the wet ball mill to be 0.2-0.3 percent of the screen allowance of a 250-mesh sieve, and adjusting the concentration of the ground slurry to be 60 +/-3 Baume degrees to obtain the color-forming glaze.

A transmutation glaze with metallic luster is prepared by the following steps:

step Z01: adding the color forming glaze and the defoaming agent into a stirrer, stirring at 180rmp, and dispersing the defoaming agent into the color forming glaze, wherein the defoaming agent is an organic silicon defoaming agent;

step Z02: adding the high-transparency basic glaze into a stirrer, setting the stirring speed to be 240rmp, slowly adding the color forming glaze mixed with the defoaming agent into the stirrer, stirring and mixing, and finally vacuumizing and defoaming to obtain the transmutation glaze with metallic luster.

The furnace transmutation glaze porcelain with the metal luster is prepared by firing the furnace transmutation glaze, and the firing method comprises the following steps:

step Y01: biscuit firing the porcelain blank at the temperature of 550-600 ℃ for 3-4h, firing and shaping the porcelain blank to obtain a green body, wherein the surface of the porcelain blank subjected to low-temperature slow firing has small deformation, grains left by blank trimming can be completely reserved, and dark grains are shown after glazing and firing, so that the porcelain has good ornamental value;

step Y02: glazing the surface of the green body after the green body is cooled, and controlling the glazing thickness to be 0.3 +/-0.1 mm;

step Y03: putting the glazed green body into a kiln, firstly homogenizing and firing at 1000 +/-30 ℃ for 8-9h, uniformly diffusing the color developing agent and the gloss auxiliary agent in the glaze layer to form a bottom color layer with metallic gloss, then heating to 1350 +/-50 ℃, preserving heat and firing for 5-7h, and roasting the glaze layer at high temperature to obtain high gloss;

step Y04: and stopping heating after firing, and cooling to room temperature along with the furnace to obtain the furnace transmutation glazed porcelain with metallic luster.

The invention has the beneficial effects that:

1. according to the invention, the galena and the spodumene are used as main color generation raw materials, the dark brown color of the galena and the gray green color of the spodumene are in an alternative mapping mode to form a specific rusty metal color, in the firing process, the medium-temperature long-time homogenization firing is carried out firstly, the color generation raw materials are uniformly diffused to form a metal luster bottom color layer with natural texture, and the added yttrium oxide and antimony oxide form a solid solution in a crystal phase in the subsequent high-temperature firing process to prevent the crystal grains from growing up and form refined crystal grains, so that the reflectivity is higher, and the final glaze layer shows metal texture.

2. The research shows that the yttrium oxide and the antimony oxide protect the silver in the firing process, hinder the silver from being separated out and decomposed, and endow the glaze layer with good bacteriostatic ability, so that the glaze material can be used in the aspect of sanitary ware.

3. The high-transmittance basic glaze material provided by the invention adopts albite, quartz, zircon, potash feldspar and glass beads as raw materials, is fired at a high temperature of 1350 ℃, has the characteristics of high transmittance and high brightness, and is combined with the metal texture provided by a color former to endow ceramic with metal luster.

4. The high-transparency basic glaze disclosed by the invention is added with the glass beads, and the glass beads are added after the batch is sintered for a period of time, the glass beads have a hollow structure, are poor in heat conductivity and crisp in texture, are added after the batch is sintered, are not high in sintering strength with the batch, and are used as breaking points in the water quenching process, so that the sintered material is finer and more uniform, and the grinding of raw materials is facilitated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the glaze surface of a transmutation glazed porcelain prepared in example 8 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The embodiment of the preparation method of the high-transparency base glaze comprises the following specific implementation processes:

preparing raw materials:

2.8kg of albite, wherein the albite is colorless and white;

2.2kg of quartz, wherein the quartz is low-temperature quartz, and the color is required to be colorless and milky white;

1kg of zircon, wherein the zircon is selected to be yellow and red;

300g of potassium feldspar, wherein the potassium feldspar is selected to be meat red;

800g of glass beads;

the preparation steps are as follows:

step J01: adding raw materials except the glass beads into a grinder for grinding until the powder completely passes through a screen with the aperture of 2mm, uniformly mixing the powder again by using a mixer to obtain a batch mixture, adding the batch mixture into a sintering furnace, heating to 1380 ℃, keeping the temperature and firing for 30min, then adding the glass beads, keeping the temperature and stirring by using a ceramic stirring head for 15min, then cooling to 900 ℃ along with the furnace, discharging into circulating normal-temperature water for water quenching, filtering and drying to obtain a sintered material;

step J02: crushing the sintered material by a crusher, screening by using a screen with the aperture of 0.5mm after crushing, adding the crushed sintered material into a wet ball mill for grinding, and setting balls of the ball mill: material preparation: the water ratio is 1.5:1.1:0.5, the grinding fineness of a wet ball mill is set to be 0.1 percent of the screen allowance of a 250-mesh sieve, and raw slurry is obtained;

step J03: and stirring and mixing the raw slurry and sodium humate, controlling the ratio of the addition amount of the sodium humate to the sintering material to be 2.25g/kg, then placing at 30 +/-5 ℃ for ageing for 30 days, taking out and stirring after ageing is finished, and adjusting the specific gravity of the slurry to be 1.8 to obtain the high-transparency basic glaze.

Example 2

preparing raw materials:

3kg of albite, wherein the albite is colorless and white;

1.8kg of quartz, wherein the quartz is low-temperature quartz, and the color is required to be colorless and milky white;

1.2kg of zircon, which is selected to be yellow and red;

500g of potassium feldspar, wherein the potassium feldspar is selected to be meat red;

1kg of glass beads;

the preparation steps are as follows:

step J01: adding raw materials except the glass beads into a grinder for grinding until the powder completely passes through a screen with the aperture of 2mm, uniformly mixing the powder again by using a mixer to obtain a batch mixture, adding the batch mixture into a sintering furnace, heating to 1400 ℃, keeping the temperature and firing for 25min, then adding the glass beads, keeping the temperature and stirring by using a ceramic stirring head for 10min, then cooling to 900 ℃ along with the furnace, discharging into circulating normal-temperature water for water quenching, filtering and drying to obtain a sintered material;

step J02: crushing the sintered material by a crusher, screening by using a screen with the aperture of 0.5mm after crushing, adding the crushed sintered material into a wet ball mill for grinding, and setting balls of the ball mill: material preparation: the water ratio is 1.5:1:0.6, the grinding fineness of a wet ball mill is set to be 0.1 percent of the screen allowance of a 250-mesh sieve, and raw slurry is obtained;

step J03: and stirring and mixing the raw slurry and sodium humate, controlling the ratio of the addition amount of the sodium humate to the sintering material to be 2.5g/kg, then placing at 30 +/-5 ℃ for ageing for 40 days, taking out and stirring after ageing is finished, and adjusting the specific gravity of the slurry to be 1.7 to obtain the high-transparency basic glaze.

Example 3

preparing raw materials:

3.5kg of albite, wherein the albite is colorless and white;

1.4kg of quartz, wherein the quartz is low-temperature quartz, and the color is required to be colorless and milky;

1.5kg of zircon, which is selected to be yellow and red;

700g of potassium feldspar, wherein the potassium feldspar is selected to be meat red;

1.2kg of glass beads;

the preparation steps are as follows:

step J01: adding raw materials except the glass beads into a grinder for grinding until the powder completely passes through a screen with the aperture of 2mm, uniformly mixing the powder again by using a mixer to obtain a batch mixture, adding the batch mixture into a sintering furnace, heating to 1450 ℃, preserving heat, firing for 20min, then adding the glass beads, preserving heat, stirring and mixing for 10min by using a ceramic stirring head, then cooling to 900 ℃ along with the furnace, discharging into circulating normal-temperature water for water quenching, filtering, and drying to obtain a sintered material;

step J02: crushing the sintered material by a crusher, screening by using a screen with the aperture of 0.5mm after crushing, adding the crushed sintered material into a wet ball mill for grinding, and setting balls of the ball mill: material preparation: the water ratio is 1.5:1.2:0.7, the grinding fineness of a wet ball mill is set to be 0.15 percent of the screen allowance of a 250-mesh sieve, and raw slurry is obtained;

step J03: and stirring and mixing the raw slurry and sodium humate, controlling the ratio of the addition amount of the sodium humate to the sintering material to be 3g/kg, then placing at 30 +/-5 ℃ for ageing for 60 days, taking out after ageing, stirring and adjusting the specific gravity of the slurry to be 1.6 to obtain the high-transparency basic glaze.

Example 4

This example prepares a color forming glaze, the specific implementation process is as follows:

preparing raw materials:

570g of lead bullion, 500g of spodumene, 300g of zinc oxide and 200g of nickel powder are taken;

80g of yttrium oxide, 50g of antimony oxide and 120g of titanium dioxide are taken;

the preparation steps are as follows:

step S01: grinding the raw materials respectively, sieving the ground raw materials by a 50-mesh sieve, and proportioning the sieved materials according to the weight part ratio to obtain a composite toner;

step S02: mixing the composite toner and CMC in a dosage ratio of 35 g: 1kg was added to a wet mill for milling, the balls of the ball mill were set: material preparation: the water ratio is 1.1:1.2:0.5, the grinding fineness of a wet ball mill is set to be 0.2 percent of the screen allowance of a 250-mesh screen, and the concentration of the grinding slurry is adjusted to be 60 +/-3 Baume degrees, so that the color-forming glaze is obtained.

Example 5

preparing raw materials:

610g of lead oxide, 320g of spodumene, 350g of zinc oxide and 300g of nickel powder are taken;

taking 100g of yttrium oxide, 60g of antimony oxide and 130g of titanium dioxide;

the preparation steps are as follows:

step S02: mixing a composite toner and CMC in a dosage ratio of 45 g: 1kg was added to a wet mill for milling, the balls of the ball mill were set: material preparation: the water ratio is 1.1:1.2:0.5, the grinding fineness of a wet ball mill is set to be 0.2 percent of the screen allowance of a 250-mesh screen, and the concentration of the grinding slurry is adjusted to be 60 +/-3 Baume degrees, so that the color-forming glaze is obtained.

Example 6

preparing raw materials:

taking 650g of lead oxide, 200g of spodumene, 400g of zinc oxide and 500g of nickel powder;

taking 120g of yttrium oxide, 70g of antimony oxide and 140g of titanium dioxide;

the preparation steps are as follows:

step S02: mixing the composite toner and CMC in a dosage ratio of 50 g: 1kg was added to a wet mill for milling, the balls of the ball mill were set: material preparation: the water ratio is 1.3:1.1:0.7, the grinding fineness of a wet ball mill is set to be 0.3 percent of the screen allowance of a 250-mesh screen, and the concentration of the grinding slurry is adjusted to be 60 +/-3 Baume degrees, so that the color-forming glaze is obtained.

Example 7

The preparation method of the transmutation glaze with the metal luster comprises the following specific implementation processes of preparing a transmutation glaze with the metal luster and firing a bowl-shaped porcelain by using the transmutation glaze:

step Z01: 850g of the color-forming glaze prepared in example 4 and a defoaming agent (silicone defoaming agent, type: SH-D120-K, standard material used is 0.5% of the total amount of the color-forming glaze and the high-transparency base glaze) were added to a stirrer, stirred at 180rmp first, the defoaming agent was dispersed in the color-forming glaze,

step Z02: adding 8.2kg of the high-transparency basic glaze prepared in the embodiment 1 into a stirrer, setting the stirring speed to be 240rmp, slowly adding the color-forming glaze mixed with the defoaming agent into the stirrer, stirring and mixing, and finally vacuumizing and defoaming to obtain the transmutation glaze with metallic luster;

the bowl-shaped porcelain is fired by adopting the furnace transmutation glaze, and the specific implementation process is as follows:

step Y01: biscuit firing the porcelain body at 550 ℃ for 4h, and firing and shaping the porcelain body to obtain a green body;

step Y03: placing the glazed green body into a kiln, firstly homogenizing and firing at 970 ℃ for 8 hours, uniformly diffusing the color developing agent and the gloss auxiliary agent in the glaze layer to form a bottom color layer with metallic luster, then heating to 1300 ℃, and carrying out heat preservation and firing for 7 hours;

Example 8

step Z01: 1kg of the colour-forming glaze prepared in example 5 and a defoaming agent (silicone defoaming agent, type: SH-D120-K, standard of material used is 0.5% of the total amount of the colour-forming glaze and the high-transparency base glaze) were added to a stirrer, stirred at 180rmp first, the defoaming agent was dispersed in the colour-forming glaze,

step Z02: adding 8.5kg of the high-transparency basic glaze prepared in the embodiment 2 into a stirrer, setting the stirring speed to be 240rmp, slowly adding the color-forming glaze mixed with the defoaming agent into the stirrer, stirring and mixing, and finally vacuumizing and defoaming to obtain the transmutation glaze with metallic luster;

step Y01: biscuit firing the porcelain body at 550 ℃ for 3h, and firing and shaping the porcelain body to obtain a green body;

step Y03: putting the glazed green body into a kiln, firstly homogenizing and firing at 1000 ℃ for 8h, uniformly diffusing the color developing agent and the gloss auxiliary agent in the glaze layer to form a bottom color layer with metallic luster, then heating to 1350 ℃, and preserving heat and firing for 7 h;

Example 9

step Z01: 1.2kg of the color forming glaze prepared in example 6 and a defoaming agent (silicone defoaming agent, type: SH-D120-K, standard of material used is 0.5% of the total amount of the color forming glaze and the high-transmittance base glaze) were added to a stirrer, stirred at 180rmp first, the defoaming agent was dispersed in the color forming glaze,

step Z02: adding 9kg of the high-transparency base glaze prepared in the embodiment 3 into a stirrer, setting the stirring speed to be 240rmp, slowly adding the color-forming glaze mixed with the defoaming agent into the stirrer, stirring and mixing, and finally vacuumizing and defoaming to obtain the transmutation glaze with metal luster;

step Y01: biscuit firing the porcelain body for 3h at 600 ℃, firing and shaping the porcelain body to obtain a green body;

step Y03: placing the glazed green body into a kiln, firstly homogenizing and firing at 1030 ℃ for 9h, uniformly diffusing the color developing agent and the gloss auxiliary agent in the glaze layer to form a bottom color layer with metallic luster, then heating to 1400 ℃, and carrying out heat preservation and firing for 5 h;

As shown in figure 1, the furnace transmutation glazed porcelain prepared by the invention has dark brown rusty metal color, a glaze layer is high in brightness and reflective, and has special metal color.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.

Claims

1. A transmutation glaze with metallic luster comprises 82-90 parts by weight of high-transparency basic glaze, and is characterized in that 8.5-12 parts by weight of color-forming glaze is added into the transmutation glaze;

the color forming glaze comprises a color generating agent and a gloss auxiliary agent, and is prepared by the following steps:

step S01: respectively grinding and screening the color development agent and the gloss auxiliary agent, and then mixing ingredients to obtain a composite color development agent;

step S02: and (3) grinding the composite color agent and the CMC by a wet method, controlling the residual amount of the ground pulp to be 0.2-0.3% of the sieve with a 250-mesh sieve fineness, and adjusting the concentration of the ground pulp to obtain the color-forming glaze.

2. The transmutation glaze with metallic luster according to claim 1, characterized in that the dosage ratio of the CMC and the composite colorant is 35-50 g/kg.

3. A transmutation glaze with metallic luster according to claim 1, characterized in that the concentration of the color-forming glaze is 60 ± 3 baume degrees.

4. The transmutation glaze with metallic luster according to claim 1, characterized in that the raw materials of the high-transmittance basic glaze comprise albite, quartz, zircon, glass beads and potash feldspar, and the mass ratio of the raw materials is 28-35:14-22:10-15:8-12:3-7 in sequence.

5. The transmutation glaze with metallic luster according to claim 4, characterized in that the high-transparency base glaze is prepared by the following steps:

step J01: crushing and mixing the raw materials except the glass beads to prepare a batch mixture, firstly burning the batch mixture at the temperature of 1380-1450 ℃ for 20-30min in a heat preservation way, then adding the glass beads, stirring and mixing, then cooling to 900 ℃ along with a furnace, discharging to water for water quenching, filtering and drying to obtain a sintering material;

step J02: crushing the sintered material, and then grinding by a wet method, wherein the grinding fineness is controlled to be 0.1-0.15% of the screen allowance of a 250-mesh sieve, so as to obtain raw slurry;

step J03: stirring and mixing the raw slurry and sodium humate, then placing at 30 +/-5 ℃ for ageing for 30-60 days, and taking out after ageing to adjust the specific gravity of the slurry, thus obtaining the high-transparency basic glaze.

6. The transmutation glaze with metallic luster according to claim 5, characterized in that the dosage ratio of the sodium humate to the sintering material is 2.25-3 g/kg.

7. The transmutation glaze with metallic luster according to claim 5, characterized in that the specific gravity of the high-transparency base glaze is 1.6-1.8.

8. A transmutation glaze with metallic luster according to claim 1, characterized in that the transmutation glaze is prepared by the following steps:

step Z01: defoaming agent is eliminated, and the mixture is stirred and dispersed in the color forming glaze;

step Z02: and taking the high-transparency basic glaze, adding the color forming glaze mixed with the defoaming agent while stirring, mixing, and finally vacuumizing to remove bubbles to obtain the transmutation glaze with metallic luster.

9. A transmutation glazed porcelain having a metallic luster, which is obtained by firing the transmutation glaze according to any one of claims 1 to 8, characterized in that the firing method is as follows:

step Y01: biscuit firing the porcelain blank at 550-600 ℃ for 3-4h, and firing and shaping the porcelain blank to obtain a green blank;

step Y02: glazing the surface of the cooled green body, and controlling the glazing thickness to be 0.3 +/-0.1 mm;

step Y03: and (3) after glazing, homogenizing and firing for 8-9h at 1000 +/-30 ℃, then heating to 1350 +/-50 ℃, preserving heat and firing for 5-7h, and cooling to room temperature along with the furnace after firing to obtain the transmutation glazed porcelain with metallic luster.