Ceramic glaze capable of releasing negative ions and method for preparing the same

Abstract

The application relates to the field of ceramics, and particularly provides a ceramic glaze capable of releasing negative ions and a preparation method thereof. The ceramic glaze comprises the following components in parts by weight: kaolin 7-9 parts by weight, a negative ion initiator 1-3 parts by weight, potassium feldspar 15-25 parts by weight, quartz 6-9 parts by weight, and a modified porous mixture 3-5 parts by weight. The ceramic glaze is applied to the surface of a ceramic tile, the added negative ion initiator can efficiently initiate the release of negative ions by the glaze, the modified porous mixture has the functions of adsorbing harmful gases and enhancing the negative ion reaction, and the two are compounded, so that the air can be effectively purified, the air quality is improved, and the environmental protection concept of the present age is met.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of ceramics, in particular to a ceramic glaze capable of releasing negative ions and a preparation method thereof. BACKGROUND

[0002] In today's society, people's various requirements for health are implemented everywhere in life, including diet, environment, and various living supplies, and the quality of air is particularly important to our health. Each quality index of air is closely related to our health, and the efficacy of negative ions has attracted widespread attention. Experiments have shown that only when the concentration of negative ions in the air is high, air impurities such as dust and powder can be removed, harmful bacteria in the air can be eliminated, and the air can be purified. At the same time, the oxygen-carrying negative ions in the air can be increased, which is beneficial to people's physical and mental health.

[0003] And the house is our residence, we stay in it for a long time, sometimes we close the doors and windows to form a closed space, causing the air to not circulate for a long time, which actually damages our health. The ceramic tiles used in the house have little negative ion function or insufficient negative ion releasing capacity, and only have a weak effect on the wall surface, and the air purification function is weak. SUMMARY

[0004] Based on the above technical scheme, the present application has the following technical effects:

[0005] The negative ion initiator added to the ceramic glaze has the functions of initiating negative ions and releasing negative ions, and can efficiently and stably release negative ions.

[0006] The modified porous mixture added to the ceramic glaze has the functions of adsorbing harmful substances and enhancing negative ion reactions, and has a certain function of enhancing negative ion reactions.

[0007] The negative ion initiator and the modified porous mixture are compounded, and the negative ion release of the ceramic glaze reaches a synergistic effect.

[0008] The present application provides a ceramic glaze capable of releasing negative ions, characterized in that it comprises the following components in parts by weight: kaolin 7-9 parts, negative ion initiator 1-3 parts, potassium feldspar 15-25 parts, quartz 6-9 parts, and modified porous mixture 3-5 parts.

[0009] Preferably, the ceramic glaze comprises the following components in parts by weight: kaolin 8 parts, negative ion initiator 2 parts, potassium feldspar 20 parts, quartz 8 parts, and modified porous mixture 4 parts.

[0010] Preferably, the ceramic glaze comprises the following components in parts by weight: kaolin 8 parts, negative ion initiator 2 parts, potassium feldspar 20 parts, quartz 8 parts, and modified porous mixture 4 parts.

[0011] Preferably, the negative ion initiator is composed of nano negative ion powder and negative ion dispersant, and the mass ratio of nano negative ion powder to negative ion dispersant is 3-5:1-3.

[0012] Preferably, the preparation method of the nano-negative ion powder is as follows: after grinding and pulverizing tourmaline, it is added to a silicate solution at a mass ratio of 1-2 times and ground for 10-20 min, heated to 30-40℃, ultrasonically stirred, and then a surface modifier with a mass fraction of 11-13% is added, and grinding is continued for 10-12 h. After grinding, the mixture is filtered and then dried. The rotation speed of the ball mill is 550-650 r / min.

[0013] Preferably, the surface modifier is composed of titanium dioxide, chromium corundum micro powder and sodium manganese pyroxene, wherein the mass ratio of titanium dioxide, chromium corundum micro powder and sodium manganese pyroxene is 1-3:3-5:1.

[0014] Preferably, the negative ion dispersant is composed of sodium phosphite and polyethylene ether, with a mass ratio of sodium phosphite to polyethylene ether of 3-5:1-3.

[0015] The modified porous mixture of the present invention is prepared by adding the porous mixture to an ethanol aqueous solution with a mass concentration of 60-70% at 2-3 volume ratios and stirring until homogeneous. Then, cerium chloride and barium chloride dihydrate with mass fractions of 7-9% and 4-6% are added sequentially and heated to react, thereby preparing the modified porous mixture.

[0016] Preferably, the porous mixture is composed of zirconium oxide and titanium dioxide, wherein the mass ratio of titanium dioxide to zirconium oxide is 2-4:1.

[0017] Preferably, the heating reaction temperature is 50-70℃ and the heating time is 60-70 min.

[0018] The method for preparing a ceramic glaze capable of releasing negative ions as described in this invention is as follows: All raw materials...

[0019] The material is placed in a ball mill for ball milling. After ball milling for 50-60 minutes, it is passed through a 200-300 mesh sieve. After sieving, water is added at a volume ratio of 0.5-0.6 and the ball milling continues for 20-30 minutes to obtain ceramic glaze.

[0020] Beneficial effects: When the ceramic glaze of this invention is applied to the surface of ceramic tiles, the added negative ion initiator can efficiently trigger the release of negative ions from the glaze, while the modified porous mixture has the function of adsorbing harmful gases and enhancing the negative ion reaction. The combination of the two can effectively purify the air and improve air quality, which is in line with today's environmental protection concept. Detailed Implementation

[0021] Example 1

[0022] This embodiment provides a ceramic glaze capable of releasing negative ions, characterized in that it comprises the following:

[0023] The composition by weight is as follows: 8 parts kaolin, 2 parts negative ion initiator, 20 parts potassium feldspar, 8 parts quartz, and 4 parts modified porous mixture.

[0024] Example 2

[0025] This embodiment provides a ceramic glaze capable of releasing negative ions, characterized in that it comprises the following:

[0026] The composition by weight is as follows: 7 parts kaolin, 1 part negative ion initiator, 15 parts potassium feldspar, 6 parts quartz, and 3 parts modified porous mixture.

[0027] Example 3

[0028] This embodiment provides a ceramic glaze capable of releasing negative ions, characterized in that it comprises the following:

[0029] The composition by weight is as follows: 9 parts kaolin, 3 parts negative ion initiator, 25 parts potassium feldspar, 9 parts quartz, and 5 parts modified porous mixture.

[0030] The negative ion initiator is composed of nano negative ion powder and negative ion dispersant, with a mass ratio of nano negative ion powder to negative ion dispersant of 4:2.

[0031] The preparation method of the nano negative ion powder is as follows: after grinding and pulverizing tourmaline, add it to a silicate solution of 1-2 times the mass and continue grinding for 15 min, heat to 35℃, ultrasonically stir, then add a surface modifier with a mass fraction of 12%, and continue grinding for 11 h. After grinding, filter and then dry. The rotation speed of the ball mill is 600 r / min.

[0032] The surface modifier is composed of titanium dioxide, chromium corundum micro powder and sodium manganese pyroxene, with a mass ratio of 2:4:1.

[0033] The negative ion dispersant is composed of sodium phosphite and polyethylene ether, with a mass ratio of sodium phosphite to polyethylene ether of 4:2.

[0034] The modified porous mixture described in this embodiment is prepared by adding the porous mixture to an aqueous ethanol solution with a mass concentration of 65% at 3 times the volume and stirring until homogeneous. Then, cerium chloride and barium chloride dihydrate with mass fractions of 8% and 5% are added sequentially and heated to react, thereby obtaining the modified porous mixture.

[0035] The porous mixture is composed of zirconium oxide and titanium dioxide, wherein the mass ratio of titanium dioxide to zirconium oxide is 3:1.

[0036] The heating reaction temperature is 60°C, and the heating time is 65 minutes.

[0037] The method for preparing a ceramic glaze that can release negative ions as described in this embodiment is as follows: all raw materials are placed in a ball mill for ball milling. After ball milling for 60 minutes, the mixture is passed through a 200-mesh sieve. After passing through the sieve, water at a volume ratio of 0.5 is added and ball milling is continued for 30 minutes to obtain the ceramic glaze.

[0038] Comparative Example 1

[0039] The difference between Comparative Example 1 and Example 1 is that Comparative Example 1 does not contain the modified porous mixture.

[0040] Comparative Example 2

[0041] The difference between Comparative Example 2 and Example 1 is that the negative ion initiator of Comparative Example 2 does not contain a negative ion dispersant.

[0042] Comparative Example 3

[0043] The difference between Comparative Example 3 and Example 1 is that the preparation method of the nano-negative ion powder in Comparative Example 3 is different: after grinding and pulverizing tourmaline, it is added to an aqueous solution of 1-2 times the mass and ground for 15 minutes, heated to 35°C, ultrasonically stirred, and then a surface modifier with a mass fraction of 12% is added, and grinding is continued for 11 hours. After grinding, it is filtered and then dried. The rotation speed of the ball mill is 600 r / min.

[0044] The surface modifier is titanium dioxide.

[0045] The present invention will be described below with reference to specific embodiments. It is hereby declared that the embodiments selected herein are only for illustration and explanation of the present invention and are not intended to limit the present invention.

[0046] The ceramic glazes prepared in the examples and comparative examples were subjected to performance tests. Plates coated with ceramic glazes were placed in a sealed glass box and left in a sealed environment for 6 hours. The negative ion content was tested before and after the placement. Each group was tested 3 times, and the arithmetic mean was taken to calculate the increase rate of negative ion content. The test results are shown in Table 1.

[0047] Table 1.

[0048]

[0049] As shown in Table 1, the ceramic glaze of the present invention has the effect of efficiently releasing negative ions. As shown in Comparative Example 1, the ceramic glaze prepared by the present invention contains a modified porous mixture and a negative ion initiator, which has a synergistic effect on the generation of negative ions. As shown in Comparative Examples 2-3, the negative ion initiator added by the present invention is composed of a negative ion dispersant and nano negative ion powder. Compared with the preparation method without adding a negative ion dispersant and other nano negative ion powder, the released negative ions are more efficient and abundant.

[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the essence and scope of the technical solutions of the present invention.

Claims

1. A ceramic glaze capable of releasing negative ions, characterized in that, Contains the following weight portions: 7-9 parts by weight of kaolin, 1-3 parts by weight of negative ion initiator, 15-25 parts by weight of potassium feldspar, 6-9 parts by weight of quartz, and 3-5 parts by weight of modified porous mixture. The negative ion initiator is composed of nano negative ion powder and negative ion dispersant, with a mass ratio of nano negative ion powder to negative ion dispersant of 3-5:1-3. The preparation method of the nano-negative ion powder is as follows: after grinding and pulverizing tourmaline, add it to a silicate solution at a mass ratio of 1-2 times and continue grinding for 10-20 minutes, heat to 30-40℃, ultrasonically stir, then add a surface modifier at a mass fraction of 11-13%, and continue grinding for 10-12 hours. After grinding, filter and then dry. The rotation speed of the ball mill is 550-650 r / min. The surface modifier is composed of titanium dioxide, chromium corundum micro powder and sodium manganese pyroxene, with a mass ratio of titanium dioxide, chromium corundum micro powder and sodium manganese pyroxene of 1-3:3-5:

1. The negative ion dispersant is composed of sodium phosphite and polyethylene ether, with a mass ratio of sodium phosphite to polyethylene ether of 3-5:1-3. The modified porous mixture is prepared by adding the porous mixture to an ethanol aqueous solution with a mass concentration of 60-70% at 2-3 volume ratios and stirring until homogeneous. Then, cerium chloride with a mass fraction of 7-9% and barium chloride dihydrate with a mass fraction of 4-6% are added sequentially and heated to react, thereby obtaining the modified porous mixture. The porous mixture is composed of zirconium oxide and titanium dioxide, wherein the mass ratio of titanium dioxide to zirconium oxide is 2-4:

1.

2. The ceramic glaze capable of releasing negative ions according to claim 1, characterized in that, The ceramic glaze comprises the following parts by weight: 8 parts kaolin, 2 parts negative ion initiator, 20 parts potassium feldspar, 8 parts quartz, and 4 parts modified porous mixture.

3. The ceramic glaze capable of releasing negative ions according to claim 1, characterized in that, The heating reaction temperature is 50-70℃, and the heating time is 60-70 min.

4. A ceramic glaze capable of releasing negative ions according to any one of claims 1-3, Its features are, The preparation method is as follows: put all raw materials into a ball mill for ball milling. After ball milling for 50-60 minutes, pass the material through a 200-300 mesh sieve. After passing the sieve, add water at a volume ratio of 0.5-0.6 and continue ball milling for 20-30 minutes to obtain ceramic glaze.

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