CN111302829A - Anti-scald daily ceramic product and preparation method thereof - Google Patents
Anti-scald daily ceramic product and preparation method thereof Download PDFInfo
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Abstract
The invention discloses an anti-scald daily ceramic product and a preparation method thereof, wherein the anti-scald daily ceramic product is prepared from the following raw materials in parts by weight: 30-37 parts of albite, 22-26 parts of calcite, 40-50 parts of aluminum-based bentonite, 5-7 parts of aluminum oxide, 12-15 parts of quartz, 8-11 parts of wollastonite whiskers, 14-17 parts of aluminum silicate, 5-7 parts of sodium silicate, 1.2-1.6 parts of a water reducing agent, 2.4-3.4 parts of a foaming agent, 1.4-1.7 parts of a foam stabilizer and 3-4 parts of a dispersing agent. The scald-proof daily ceramic product has low heat conductivity coefficient and good scald-proof effect; the thermal expansion coefficient is small, the product has small thermal expansion, good heat resistance, high breaking strength, good mechanical property and long service life; the water absorption rate is low; in addition, the anti-scald domestic ceramic product has a compact pore structure inside, and has the advantages of light weight, good heat insulation performance, good anti-scald effect and good comprehensive performance.
Description
Technical Field
The invention relates to the field of ceramic products, in particular to an anti-scald daily ceramic product and a preparation method thereof.
Background
The ceramic product is one of the most common appliances in daily life of people, the development history of the ceramic is an important component of the Chinese civilization history, wherein the invention and the development of the ceramic have unique significance, along with the development of modern science and technology, a plurality of new ceramic varieties appear in recent centuries, the ceramic varieties do not use or rarely use traditional ceramic raw materials such as clay, feldspar, quartz and the like, but use other special raw materials, even expand the range of non-silicate and non-oxide, and a plurality of new processes appear, so that the ceramic has various special functions.
The daily-use ceramic is produced due to the demand of people for daily life, and is the most familiar porcelain in daily life, such as tableware, tea sets, coffee sets, wine sets, rice sets and the like.
At present, the weight reduction production technology of the domestic ceramics also appears. For example, the Chinese patent application with the publication number of CN108101571A discloses a lightweight porous domestic ceramic which is prepared from the following main raw materials in percentage by mass: the ceramic material comprises a ceramic blank, water accounting for 20-45% of the ceramic blank, and an added amount of a water reducing agent, a foaming agent and a foam stabilizer, wherein the ceramic blank comprises 10-30% of feldspar, 10-30% of quartz and 40-65% of clay. The invention improves the condition that the preparation process of the product and the mechanical property requirement of the product can be effectively ensured on the premise of ensuring higher porosity.
However, the currently used ceramic products for daily use have the following problems:
1. the heat insulation effect is poor, the heat conductivity coefficient is higher, and the food can contain high-temperature food to scald hands;
2. the mechanical properties such as strength and the like are general, easy to damage and short in service life;
3. the porous ceramic product has relatively high water absorption and relatively poor comprehensive performance.
Disclosure of Invention
Based on the situation, the invention aims to provide the scald-proof daily ceramic product and the preparation method thereof, which can effectively solve the problems.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
an anti-scald daily ceramic product is prepared from the following raw materials in parts by weight:
30-37 parts of albite, 22-26 parts of calcite, 40-50 parts of aluminum-based bentonite, 5-7 parts of aluminum oxide, 12-15 parts of quartz, 8-11 parts of wollastonite whiskers, 14-17 parts of aluminum silicate, 5-7 parts of sodium silicate, 1.2-1.6 parts of a water reducing agent, 2.4-3.4 parts of a foaming agent, 1.4-1.7 parts of a foam stabilizer and 3-4 parts of a dispersing agent.
Preferably, the scald-proof ceramic product is prepared from the following raw materials in parts by weight:
34 parts of albite, 25 parts of calcite, 45 parts of aluminum-based bentonite, 6 parts of aluminum oxide, 14 parts of quartz, 9 parts of wollastonite whiskers, 16 parts of aluminum silicate, 6 parts of sodium silicate, 1.45 parts of a water reducing agent, 3 parts of a foaming agent, 1.55 parts of a foam stabilizer and 3.6 parts of a dispersing agent.
Preferably, the scald-proof ceramic product is prepared from the following raw materials in parts by weight:
33.5 parts of albite, 23 parts of calcite, 45 parts of aluminum-based bentonite, 6 parts of aluminum oxide, 13.5 parts of quartz, 9.5 parts of wollastonite whiskers, 15.5 parts of aluminum silicate, 6 parts of sodium silicate, 1.4 parts of a water reducing agent, 2.9 parts of a foaming agent, 1.55 parts of a foam stabilizer and 3.5 parts of a dispersing agent.
Preferably, the alumina is nano alumina.
Preferably, the foaming agent is sodium dodecyl benzene sulfonate.
Preferably, the water reducing agent is an FDN-II retarding high-efficiency water reducing agent.
Preferably, the foam stabilizer is prepared from the following components in a mass ratio of 1: (0.35-0.42) a mixture of hydroxyl-terminated polymethylsilicone oil and N, O- (trimethylsilyl) trifluoroacetamide.
Preferably, the dispersant is sodium polyacrylate.
The invention also provides a preparation method of the scald-proof domestic ceramic product, which comprises the following steps:
A. respectively weighing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent, a foaming agent, a foam stabilizer and a dispersing agent according to the weight parts for later use;
B. dissolving a dispersing agent in water, mixing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent and a foam stabilizer, adding the mixture into the water in which the dispersing agent is dissolved, carrying out ball milling, and adjusting solid content to form blank slurry with the solid content of 64-68%;
C. removing bubbles, adding a foaming agent into the blank slurry, and stirring and mixing uniformly; then foaming, and when the foaming volume is increased by 2-3 times, shaping to obtain a rough blank; then naturally drying in the shade, and benefiting the blank to obtain a green blank;
D. gradually heating to 550-600 ℃, and firing for 2-3 h; then heating to 1000-1050 ℃, continuing to fire for 3-4 h; finally, cooling to 650-700 ℃, and preserving heat for 1-1.5 h; and cooling along with the furnace to obtain the scald-proof ceramic product for daily use.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the scald-proof daily ceramic product is prepared by selecting raw materials, optimizing the content of each raw material, and selecting albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent, a foaming agent, a foam stabilizer and a dispersing agent in a proper proportion, so that the advantages of the ceramic product are fully exerted, the ceramic product is mutually supplemented and promoted, and the prepared scald-proof daily ceramic product is low in heat conductivity coefficient and good in scald-proof effect; the thermal expansion coefficient is small, the product has small thermal expansion, good heat resistance, high breaking strength, good mechanical property and long service life; the water absorption rate is low; in addition, the anti-scald domestic ceramic product has a compact pore structure inside, and has the advantages of light weight, good heat insulation performance, good anti-scald effect and good comprehensive performance.
In addition, the anti-scald daily ceramic product belongs to a unglazed blank, can be directly used in practical application, and can also be glazed on the surface of the ceramic product, so that the surface of the ceramic product is smoother, better in glossiness and more attractive, and the performance of the ceramic product can be further improved, such as surface glossiness, easiness in cleaning and the like.
The anti-scald daily ceramic product is added with the albite, the calcite, the aluminum-based bentonite, the aluminum oxide and the quartz in proper proportion, and is used as a main raw material of the anti-scald daily ceramic product, the albite, the calcite, the aluminum-based bentonite, the aluminum oxide and the quartz in proper proportion are matched with each other, so that a good synergistic effect is achieved, the anti-scald daily ceramic product is guaranteed to have good structural regularity of compact holes in the anti-scald daily ceramic product, high structural strength, light weight, good heat insulation performance and good anti-scald effect; the breaking strength is high, the mechanical property is good, and the service life is long; the water absorption rate is low; the comprehensive performance is good.
The addition of wollastonite whiskers in a proper proportion in the anti-scald domestic ceramic product provided by the invention is matched with other components, so that a good synergistic effect is achieved, the thermal expansion coefficient of the anti-scald domestic ceramic product is greatly reduced, and the product is ensured to have small thermal expansion and good heat resistance.
The anti-scald daily ceramic product disclosed by the invention is added with the aluminum silicate and the sodium silicate in a proper proportion, wherein the aluminum silicate mainly plays a role in heat insulation, the heat insulation performance of the anti-scald daily ceramic product disclosed by the invention is greatly improved, and a bonding effect can be played, so that other components such as albite, calcite, aluminum-based bentonite, aluminum oxide, quartz and the like are tightly and firmly bonded, and the characteristics of light weight, high strength and the like are ensured after foaming; the sodium silicate mainly plays a role in bonding, so that other components such as albite, calcite, aluminum-based bentonite, aluminum oxide, quartz and the like are tightly and firmly bonded, the characteristics of light weight, high strength and the like are guaranteed after foaming, the sodium silicate and the calcite are mutually matched to play a good synergistic effect, the heat conductivity coefficient of the anti-scalding daily ceramic product is greatly reduced, the firmness of a compact hole structure in the anti-scalding daily ceramic product is guaranteed, the structural strength is high, the weight is light, the heat insulation performance is good, and the anti-scalding effect is good; the breaking strength is high, the mechanical property is good, and the service life is long; the water absorption rate is low; the comprehensive performance is good.
The preparation method has simple process and simple and convenient operation, and saves manpower and equipment cost.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in connection with specific examples, which should not be construed as limiting the present patent.
The test methods or test methods described in the following examples are conventional methods unless otherwise specified; the reagents and materials, unless otherwise indicated, are conventionally obtained commercially or prepared by conventional methods.
Example 1:
an anti-scald daily ceramic product is prepared from the following raw materials in parts by weight:
30 parts of albite, 22 parts of calcite, 40 parts of aluminum-based bentonite, 5 parts of aluminum oxide, 12 parts of quartz, 8 parts of wollastonite whiskers, 14 parts of aluminum silicate, 5 parts of sodium silicate, 1.2 parts of a water reducing agent, 2.4 parts of a foaming agent, 1.4 parts of a foam stabilizer and 3 parts of a dispersing agent.
In this embodiment, the alumina is nano alumina.
In this example, the blowing agent was sodium dodecylbenzenesulfonate.
In this embodiment, the water reducing agent is an FDN-II retarding superplasticizer.
In this embodiment, the foam stabilizer is a mixture of 1: 0.35 of a mixture of hydroxyl-terminated polymethylsilicone oil and N, O- (trimethylsilyl) trifluoroacetamide.
In this embodiment, the dispersant is preferably sodium polyacrylate.
The embodiment also provides a preparation method of the scald-proof domestic ceramic product, which comprises the following steps:
A. respectively weighing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent, a foaming agent, a foam stabilizer and a dispersing agent according to the weight parts for later use;
B. dissolving a dispersing agent in water, mixing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent and a foam stabilizer, adding the mixture into the water in which the dispersing agent is dissolved, carrying out ball milling, and adjusting solid content to form blank slurry with the solid content of 64%;
C. removing bubbles, adding a foaming agent into the blank slurry, and stirring and mixing uniformly; then foaming, and when the foaming volume is increased by 2 times, shaping to obtain a rough blank; then naturally drying in the shade, and benefiting the blank to obtain a green blank;
D. gradually heating to 550 ℃, and firing for 3 h; then heating to 1000 ℃, continuing to fire for 3 h; finally, cooling to 650 ℃, and preserving heat for 1.5 h; and cooling along with the furnace to obtain the scald-proof ceramic product for daily use.
Example 2:
an anti-scald daily ceramic product is prepared from the following raw materials in parts by weight:
37 parts of albite, 26 parts of calcite, 50 parts of aluminum-based bentonite, 7 parts of aluminum oxide, 15 parts of quartz, 11 parts of wollastonite whiskers, 17 parts of aluminum silicate, 7 parts of sodium silicate, 1.6 parts of a water reducing agent, 3.4 parts of a foaming agent, 1.7 parts of a foam stabilizer and 4 parts of a dispersing agent.
In this embodiment, the alumina is nano alumina.
In this example, the blowing agent was sodium dodecylbenzenesulfonate.
In this embodiment, the water reducing agent is an FDN-II retarding superplasticizer.
In this embodiment, the foam stabilizer is a mixture of 1: 0.42 of a mixture of hydroxyl-terminated polymethylsilicone oil and N, O- (trimethylsilyl) trifluoroacetamide.
In this example, the dispersant is sodium polyacrylate.
In this embodiment, the method for preparing the burn-proof domestic ceramic product comprises the following steps:
A. respectively weighing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent, a foaming agent, a foam stabilizer and a dispersing agent according to the weight parts for later use;
B. dissolving a dispersing agent in water, mixing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent and a foam stabilizer, adding the mixture into the water in which the dispersing agent is dissolved, carrying out ball milling, and adjusting solid content to form blank slurry with the solid content of 68%;
C. removing bubbles, adding a foaming agent into the blank slurry, and stirring and mixing uniformly; then foaming, and when the foaming volume is increased by 3 times, shaping to obtain a rough blank; then naturally drying in the shade, and benefiting the blank to obtain a green blank;
D. gradually heating to 600 ℃, and firing for 2 h; then heating to 1050 ℃, continuing to fire for 4 h; finally, cooling to 700 ℃, and preserving heat for 1 h; and cooling along with the furnace to obtain the scald-proof ceramic product for daily use.
Example 3:
an anti-scald daily ceramic product is prepared from the following raw materials in parts by weight:
34 parts of albite, 25 parts of calcite, 45 parts of aluminum-based bentonite, 6 parts of aluminum oxide, 14 parts of quartz, 9 parts of wollastonite whiskers, 16 parts of aluminum silicate, 6 parts of sodium silicate, 1.45 parts of a water reducing agent, 3 parts of a foaming agent, 1.55 parts of a foam stabilizer and 3.6 parts of a dispersing agent.
In this embodiment, the alumina is nano alumina.
In this example, the blowing agent was sodium dodecylbenzenesulfonate.
In this embodiment, the water reducing agent is an FDN-II retarding superplasticizer.
In this embodiment, the foam stabilizer is a mixture of 1: 0.38 of a mixture of hydroxyl-terminated polymethylsilicone oil and N, O- (trimethylsilyl) trifluoroacetamide.
In this example, the dispersant is sodium polyacrylate.
In this embodiment, the method for preparing the burn-proof domestic ceramic product comprises the following steps:
A. respectively weighing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent, a foaming agent, a foam stabilizer and a dispersing agent according to the weight parts for later use;
B. dissolving a dispersing agent in water, mixing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent and a foam stabilizer, adding the mixture into the water in which the dispersing agent is dissolved, carrying out ball milling, and adjusting solid content to form blank slurry with the solid content of 66%;
C. removing bubbles, adding a foaming agent into the blank slurry, and stirring and mixing uniformly; then foaming is carried out, and when the foaming volume is increased by 2.5 times, sizing is carried out to obtain a rough blank; then naturally drying in the shade, and benefiting the blank to obtain a green blank;
D. gradually heating to 580 ℃, and firing for 2.5 h; then heating to 1025 ℃, continuing to fire for 3.5 h; finally, cooling to 680 ℃, and preserving heat for 1.25 h; and cooling along with the furnace to obtain the scald-proof ceramic product for daily use.
Example 4:
an anti-scald daily ceramic product is prepared from the following raw materials in parts by weight:
33.5 parts of albite, 23 parts of calcite, 45 parts of aluminum-based bentonite, 6 parts of aluminum oxide, 13.5 parts of quartz, 9.5 parts of wollastonite whiskers, 15.5 parts of aluminum silicate, 6 parts of sodium silicate, 1.4 parts of a water reducing agent, 2.9 parts of a foaming agent, 1.55 parts of a foam stabilizer and 3.5 parts of a dispersing agent.
In this embodiment, the alumina is nano alumina.
In this example, the blowing agent was sodium dodecylbenzenesulfonate.
In this embodiment, the water reducing agent is an FDN-II retarding superplasticizer.
In this embodiment, the foam stabilizer is a mixture of 1: 0.385 mixture of hydroxyl-terminated polymethylsilicone oil and N, O- (trimethylsilyl) trifluoroacetamide.
In this example, the dispersant is sodium polyacrylate.
In this embodiment, the method for preparing the burn-proof domestic ceramic product comprises the following steps:
A. respectively weighing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent, a foaming agent, a foam stabilizer and a dispersing agent according to the weight parts for later use;
B. dissolving a dispersing agent in water, mixing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent and a foam stabilizer, adding the mixture into the water in which the dispersing agent is dissolved, carrying out ball milling, and adjusting solid content to form blank slurry with the solid content of 66%;
C. removing bubbles, adding a foaming agent into the blank slurry, and stirring and mixing uniformly; then foaming is carried out, and when the foaming volume is increased by 2.5 times, sizing is carried out to obtain a rough blank; then naturally drying in the shade, and benefiting the blank to obtain a green blank;
D. gradually heating to 575 ℃, and firing for 2.5 h; then heating to 1025 ℃, continuing to fire for 3.5 h; finally, cooling to 675 ℃, and preserving heat for 1.25 h; and cooling along with the furnace to obtain the scald-proof ceramic product for daily use.
The burn-proof household ceramic articles obtained in examples 2 to 4 of the present invention and the ordinary household ceramic articles were subjected to the following performance tests, and the test results are shown in table 1:
TABLE 1
As can be seen from the above table, the scald-proof domestic ceramic product of the invention has the following advantages: the heat conductivity coefficient is low, and the anti-scald effect is good; the thermal expansion coefficient is small, the product has small thermal expansion, good heat resistance, high breaking strength, good mechanical property and long service life; low water absorption and good comprehensive performance.
In addition, the anti-scald daily ceramic product belongs to a unglazed blank, can be directly used in practical application, and can also be glazed on the surface of the ceramic product, so that the surface of the ceramic product is smoother, better in glossiness and more attractive, and the performances of the ceramic product, such as surface glossiness, can be further improved.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and these modifications and adaptations should be considered within the scope of the invention.
Claims (9)
1. The scald-proof daily ceramic product is characterized by being prepared from the following raw materials in parts by weight:
30-37 parts of albite, 22-26 parts of calcite, 40-50 parts of aluminum-based bentonite, 5-7 parts of aluminum oxide, 12-15 parts of quartz, 8-11 parts of wollastonite whiskers, 14-17 parts of aluminum silicate, 5-7 parts of sodium silicate, 1.2-1.6 parts of a water reducing agent, 2.4-3.4 parts of a foaming agent, 1.4-1.7 parts of a foam stabilizer and 3-4 parts of a dispersing agent.
2. An anti-scald everyday ceramic product as set forth in claim 1, which is made from raw materials comprising, by weight:
34 parts of albite, 25 parts of calcite, 45 parts of aluminum-based bentonite, 6 parts of aluminum oxide, 14 parts of quartz, 9 parts of wollastonite whiskers, 16 parts of aluminum silicate, 6 parts of sodium silicate, 1.45 parts of a water reducing agent, 3 parts of a foaming agent, 1.55 parts of a foam stabilizer and 3.6 parts of a dispersing agent.
3. An anti-scald everyday ceramic product as set forth in claim 1, which is made from raw materials comprising, by weight:
33.5 parts of albite, 23 parts of calcite, 45 parts of aluminum-based bentonite, 6 parts of aluminum oxide, 13.5 parts of quartz, 9.5 parts of wollastonite whiskers, 15.5 parts of aluminum silicate, 6 parts of sodium silicate, 1.4 parts of a water reducing agent, 2.9 parts of a foaming agent, 1.55 parts of a foam stabilizer and 3.5 parts of a dispersing agent.
4. A scald-proof everyday ceramic article as claimed in any one of claims 1 to 3, wherein the aluminium oxide is nano aluminium oxide.
5. A scald-proof domestic ceramic article as claimed in any one of claims 1 to 3, wherein the foaming agent is sodium dodecylbenzenesulfonate.
6. A scald-proof domestic ceramic article according to any one of claims 1 to 3, wherein the water-reducing agent is an FDN-ii retarding superplasticizer.
7. An anti-scalding ceramic product according to any of claims 1 to 3, wherein the foam stabilizer is present in a mass ratio of 1: (0.35-0.42) a mixture of hydroxyl-terminated polymethylsilicone oil and N, O- (trimethylsilyl) trifluoroacetamide.
8. A scald-proof domestic ceramic article as claimed in any one of claims 1 to 3, wherein the dispersant is sodium polyacrylate.
9. A method for the production of an anti-burn household ceramic article according to any one of claims 1 to 3, comprising the following steps:
A. respectively weighing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent, a foaming agent, a foam stabilizer and a dispersing agent according to the weight parts for later use;
B. dissolving a dispersing agent in water, mixing albite, calcite, aluminum-based bentonite, aluminum oxide, quartz, wollastonite whiskers, aluminum silicate, sodium silicate, a water reducing agent and a foam stabilizer, adding the mixture into the water in which the dispersing agent is dissolved, carrying out ball milling, and adjusting solid content to form blank slurry with the solid content of 64-68%;
C. removing bubbles, adding a foaming agent into the blank slurry, and stirring and mixing uniformly; then foaming, and when the foaming volume is increased by 2-3 times, shaping to obtain a rough blank; then naturally drying in the shade, and benefiting the blank to obtain a green blank;
gradually heating to 550-600 ℃, and firing for 2-3 h; then heating to 1000-1050 ℃, continuing to fire for 3-4 h; finally, cooling to 650-700 ℃, and preserving heat for 1-1.5 h; and cooling along with the furnace to obtain the scald-proof ceramic product for daily use.
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