CN109851371B - Novel efficient antibacterial material for ceramic and quartz plates and preparation method thereof - Google Patents
Novel efficient antibacterial material for ceramic and quartz plates and preparation method thereof Download PDFInfo
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Abstract
The invention provides a new high-efficiency antibacterial material for ceramics and quartz plates, which comprises 5 components of nano zinc oxide, nano cobalt, an accelerant, a dispersant and an activator, and is prepared by mixing step by step, wherein the final product has good antibacterial effect, has good killing capability on various bacteria and viruses such as escherichia coli, staphylococcus aureus, bacillus subtilis, salmonella, pseudomonas aeruginosa and the like, can improve the property of the product, improves the durability of the product, does not need to replace related process conditions and equipment during application, avoids the increase of cost, and has good economic benefit.
Description
Technical Field
The invention belongs to the technical field of inorganic materials, and particularly relates to a novel efficient antibacterial material for ceramic and quartz plates and a preparation method thereof.
Background
With the rapid development of society, people live in a space filled with a large number of microorganisms, and the wide distribution of bacteria, fungi and other pathogenic microorganisms seriously threatens the health of people, thereby causing the generation and the spread of a plurality of diseases. Particularly, in recent years, environmental pollution problems such as viruses, avian influenza viruses and haze have been caused, so that people are more aware that the purification of home environment, the cleaning of outdoor air, the protection of water resources, atmospheric resources and the like are related to human health, and healthy living environment and sanitary quality are favored and valued by people, and how to effectively control the propagation of bacteria still is the focus of research. Therefore, safe, nontoxic and pollution-free antibacterial products become the demands of consumers. The antibacterial material is a functional material which can kill or inhibit the proliferation of non-beneficial bacteria, and can be added into rubber, plastics, ceramics, cotton fabrics, medical equipment, coatings, buildings and the like to prepare antibacterial products, thereby effectively preventing the invasion of bacteria and viruses and providing a healthy living environment for people.
The requirements of people on the performance of the traditional domestic ceramic product and the environment of furniture no longer stay at simple beautiful level, but are reflected in the aspects of dirt resistance, antibacterial property and the like of products such as wall tiles, floor tiles and the like. The cleaning method commonly used in daily life is to adopt a surface cleaning agent such as a disinfectant, an acidic or alkaline detergent and the like, and repeatedly scrub the surface of the ceramic tile by using a cleaning brush to achieve the purpose of cleaning and sterilizing. The sterilization and detoxification work is not easy, the surface after sterilization can be polluted again in a short time, the sterilization effect is not ideal, and the frequent repeated operation is needed. In addition, the use of a large amount of degerming agents and cleaning agents also brings huge pressure on the human environment, and the negative effects are also large. The negative effects caused by the eutrophication of the water body are mainly the water body pollution caused by the eutrophication of the water body, and if the intake amount is too much, the human health is also harmed.
In order to reduce the troublesome operations of washing, sterilization and the like, a cleaner daily-use ceramic tile is obtained. The development of antibacterial materials applied to ceramic and quartz plates and the improvement of the antibacterial capability of related products are effective ways of improving the quality of life and reducing the environmental load. For example, patent application CN105036804A discloses a health-preserving antibacterial ceramic glaze, which is composed of the following materials in parts by weight: 10-30 parts of shell, 5-15 parts of bone meal, 5-10 parts of aluminum oxide, 0.1-0.5 part of ferric oxide, 5-15 parts of spodumene, 3-10 parts of tin oxide, 10-30 parts of germanite, 5-10 parts of crystal, 1-5 parts of talc and 2-10 parts of diatom ooze; and the basic formula of the common transparent glaze is as follows: 10-15 parts of limestone, 20-30 parts of feldspar, 1-5 parts of zinc, 20-30 parts of quartz and 1-4 parts of magnesium carbonate. For another example, patent application CN100493696A discloses a doped nano-zinc oxide, a preparation method thereof, and applications of the doped nano-zinc oxide in photocatalytic degradation of organic matters and antibiosis, wherein silver Ag, rare earth metals (lanthanum La, cerium Ce, praseodymium Pr, neodymium Nd, samarium Sm, europium Eu, gadolinium Gd, dysprosium Dy, erbium Er, yttrium Y), etc. are doped in the nano-zinc oxide to improve the photocatalytic activity of the nano-zinc oxide, so as to degrade harmful chemical substances and antibiosis. The photocatalyst generates higher photocatalytic activity than common zinc oxide under illumination, and improves antibacterial ability; in the absence of illumination, the antibacterial agent still has strong antibacterial effect due to the antibacterial ions of silver, zinc, rare earth metals and the like. The preparation method adopts an organic matter complexing method and a spray pyrolysis method. The doped nano zinc oxide can be directly mixed with other materials for use, or can be used as an additive to be added into materials such as plastics, ceramics, fibers, wood, rubber, glass, cement, metal and the like to prepare various photocatalytic and antibacterial materials and products. Although the antibacterial material in the patent also has a good antibacterial effect, the component composition of the antibacterial material is complex, the original properties of the product can be influenced, and related equipment needs to be replaced according to actual conditions when the antibacterial material is applied to ceramic glaze, a body and an artificial quartz plate.
Disclosure of Invention
Based on the defects of the prior art, the invention provides a novel efficient antibacterial material for ceramic and quartz plates, which comprises 5 components of nano zinc oxide, nano cobalt, an accelerant, a dispersing agent and an activating agent, and has good antibacterial effect, and the properties and durability of the product can be improved.
The invention provides a novel efficient antibacterial material for ceramic and quartz plates, which comprises the following components in parts by weight: 40-85 parts of nano zinc oxide, 0.3-10 parts of nano cobalt, 0.5-3 parts of accelerator, 2-5 parts of dispersant and 15-20 parts of activator.
Further, the novel efficient antibacterial material comprises the following components in parts by weight: 60-80 parts of nano zinc oxide, 3-8 parts of nano cobalt, 1-2 parts of accelerator, 3-4 parts of dispersant and 16-18 parts of activator.
Furthermore, the novel efficient antibacterial material also comprises the following components in parts by weight: 1-3 parts of active calcium.
Further, the nanometer zinc oxide is subjected to modification treatment, and the method comprises the following steps: placing nanometer zinc oxide powder in propylene glycol containing Tween-80, adding tetraethoxysilane, and adding water dropwiseIntroduction of CO2Filtering, washing the filter cake with propylene glycol, drying, pulverizing and roasting.
Further, the modification treatment method of the nano zinc oxide comprises the following steps: placing nanometer zinc oxide powder in propylene glycol containing 1.2-2.3% Tween-80, grinding by colloid mill, adding tetraethoxysilane, heating to 60-70 deg.C, adding dropwise water, stirring for 15-30min, cooling to 25-30 deg.C, and introducing CO2And continuously heating the gas to 80-90 ℃ for reaction for 15-30min, filtering, washing a filter cake by propylene glycol, drying and crushing, and roasting at 300-500 ℃ to obtain the catalyst.
Further, the accelerator is chlorinated polyoxyethylene.
Further, the dispersant is selected from one or more of polyisobutylene succinimide, polyisobutylene succinate and polyisobutylene ashless phosphate.
Further, the activating agent is selected from one or more of oxalic acid and soluble salts thereof, silicic acid and soluble salts thereof, and lactic acid and soluble salts thereof.
Furthermore, the activating agent is a mixture of oxalic acid and silicic acid, and the mass ratio of the oxalic acid to the silicic acid is 2-4: 1.
The invention also provides a preparation method of the novel efficient antibacterial material, which comprises the following steps:
(1) dissolving an activating agent in water, adding nano zinc oxide and nano cobalt, mixing and stirring uniformly, and heating to obtain a mixture 1;
(2) and cooling the mixture 1, gradually adding the accelerator and the dispersant, mixing, and grinding to obtain the composition.
Or the preparation method of the novel efficient antibacterial material comprises the following steps:
(1) dissolving an activating agent in water, adding nano zinc oxide, nano cobalt and activated calcium, mixing and uniformly stirring, and heating to obtain a mixture 1;
(2) and cooling the mixture 1, gradually adding the accelerator and the dispersant, mixing, and grinding to obtain the composition.
Further, the heating temperature in the step 1 is 80-90 ℃.
Further, cooling to 25-40 ℃ in the step (2), adding 1/3 accelerator and 1/2 dispersant, mixing and grinding; then 1/3 accelerator and 1/2 dispersant are added and mixed, and the mixture is ground; and finally adding the rest 1/3 accelerator to obtain the final product.
Further, the grinding method is ball grinding.
The invention further provides application of the novel efficient antibacterial material in ceramic bodies, ceramic glazes and artificial quartz plates.
Further, in the application of the novel efficient antibacterial material in the ceramic body, the addition amount of the novel efficient antibacterial material is 2.5-4% of the mass of the ceramic body.
Furthermore, in the application of the novel efficient antibacterial material in the artificial quartz plate, the addition amount of the novel efficient antibacterial material is 2-3% of the mass of the artificial quartz plate.
Furthermore, when the novel efficient antibacterial material is applied to ceramic glaze, the addition amount of the novel efficient antibacterial material is 2.5-4% of the mass of the ceramic glaze, so that 9-10% of high-zinc oxide in the ceramic glaze is replaced.
The invention has the beneficial effects that:
(1) the novel efficient antibacterial material provided by the invention has a wide sterilization range, has good killing capacity on various bacteria and viruses such as escherichia coli, staphylococcus aureus, bacillus subtilis, salmonella, pseudomonas aeruginosa and the like, and can be applied to ceramic glaze, a body and an artificial quartz plate, so that the novel efficient antibacterial material can purify the indoor environment and protect the health of a human body.
(2) The novel efficient antibacterial material provided by the invention has good bactericidal performance, can be added into ceramic glaze, a body and an artificial quartz plate, and can also improve the product performance, reduce the calcination process temperature of the product, shorten the calcination time, greatly improve the production efficiency, reduce the production cost and improve the production quality.
(3) The invention also carries out modification treatment on the nano zinc oxide, obviously improves the antibacterial performance of the novel high-efficiency antibacterial material through the action of the activating agent, and particularly can improve the glossiness of the ceramic glaze.
(4) The novel efficient antibacterial material provided by the invention can be directly applied to the preparation process of the traditional ceramic glaze, the traditional body and the traditional artificial quartz plate, does not need to replace related process conditions and equipment, avoids the increase of cost, and has good economic benefit.
Detailed Description
EXAMPLE 1A highly effective antibacterial Material for ceramics and Quartz plates and preparation thereof
The components are as follows: 70 parts of nano zinc oxide, 6 parts of nano cobalt, 1.5 parts of chlorinated polyoxyethylene, 3 parts of polyisobutylene succinate and 17 parts of activating agent (consisting of oxalic acid and silicic acid in a mass ratio of 3:1)
The preparation method comprises the following steps:
firstly, carrying out modification treatment on nano zinc oxide: 70 parts of nano zinc oxide powder is placed in 200 parts of propylene glycol containing 1.7 percent of tween-80, ground by a colloid mill, added with 5 parts of tetraethoxysilane, heated to 65 ℃, added with water dropwise, stirred for 20min, cooled to 28 ℃, and then introduced with CO2And (3) continuously heating the gas to 85 ℃ for reaction for 20min, filtering, washing a filter cake by propylene glycol, drying, crushing and roasting at 400 ℃ to obtain the catalyst.
Then preparing an antibacterial material:
(1) dissolving an activating agent consisting of oxalic acid and silicic acid in water, adding nano zinc oxide and nano cobalt, mixing and uniformly stirring, and heating to 85 ℃ to obtain a mixture 1;
(2) cooling the mixture 1 to 30 ℃, adding 1/3 chlorinated polyoxyethylene and 1/2d polyisobutylene succinate, mixing, and grinding; adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutylene succinate, mixing, and grinding; finally, the residual 1/3 chlorinated polyoxyethylene is added to obtain the final product.
The novel efficient antibacterial material can be added with 3% of the mass of the ceramic body and applied to the preparation of the ceramic body.
The new efficient antibacterial material can be added with 2.5% of the mass of the artificial quartz plate and applied to the preparation of the artificial quartz plate.
The new high-efficiency antibacterial material can be added with 3% of the mass of the ceramic glaze and applied to the preparation of the ceramic glaze to replace 9-10% of high-zinc oxide in the ceramic glaze. After the ceramic glaze is applied to ceramic glaze, the color of the final product is bright.
EXAMPLE 2A highly effective antibacterial Material for ceramics and Quartz plates and preparation thereof
The components are as follows: 70 parts of nano zinc oxide, 6 parts of nano cobalt, 2 parts of active calcium, 1.5 parts of polyoxyethylene chloride, 3 parts of polyisobutylene succinate and 17 parts of activating agent (consisting of oxalic acid and silicic acid in a mass ratio of 3:1)
The preparation method comprises the following steps:
firstly, carrying out modification treatment on nano zinc oxide: 70 parts of nano zinc oxide powder is placed in 200 parts of propylene glycol containing 1.7 percent of tween-80, ground by a colloid mill, added with 5 parts of tetraethoxysilane, heated to 65 ℃, added with water dropwise, stirred for 20min, cooled to 28 ℃, and then introduced with CO2And (3) continuously heating the gas to 85 ℃ for reaction for 20min, filtering, washing a filter cake by propylene glycol, drying, crushing and roasting at 400 ℃ to obtain the catalyst.
Then preparing an antibacterial material:
(1) dissolving an activating agent consisting of oxalic acid and silicic acid in water, adding nano zinc oxide, nano cobalt and activated calcium, mixing and stirring uniformly, and heating to 85 ℃ to obtain a mixture 1;
(2) cooling the mixture 1 to 30 ℃, adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutylene succinate, mixing, and grinding; adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutylene succinate, mixing, and grinding; finally, the residual 1/3 chlorinated polyoxyethylene is added to obtain the final product.
The specific application is the same as in example 1. After the ceramic glaze is applied to ceramic glaze, the color of the final product is bright.
EXAMPLE 3 an efficient antibacterial Material for ceramics and Quartz plates and preparation thereof
The components are as follows: 60 parts of nano zinc oxide, 3 parts of nano cobalt, 1 part of chlorinated polyoxyethylene, 3 parts of polyisobutylene ashless phosphate ester and 16 parts of activator (lactic acid and sodium oxalate in a mass ratio of 1:1)
The preparation method comprises the following steps:
(1) dissolving an activating agent consisting of lactic acid and sodium oxalate in water, adding nano zinc oxide and nano cobalt, mixing and stirring uniformly, and heating to 80 ℃ to obtain a mixture 1;
(2) cooling the mixture 1 to 25 ℃, adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutene ashless phosphate ester, mixing, and grinding; then 1/3 chlorinated polyoxyethylene and 1/d polyisobutylene ashless phosphate ester are added and mixed, and grinding is carried out; finally, the residual 1/3 chlorinated polyoxyethylene is added to obtain the final product.
The specific application is the same as in example 1. After being applied to ceramic glaze, the color of the final product is generally equivalent to that of a commercial product.
EXAMPLE 4 an efficient antibacterial Material for ceramics and Quartz plates and preparation thereof
The components are as follows: 80 parts of nano zinc oxide, 8 parts of nano cobalt, 1 part of activated calcium, 2 parts of chlorinated polyoxyethylene, 4 parts of polyisobutylene succinimide and 18 parts of activating agent (comprising oxalic acid and silicic acid in a mass ratio of 2:1)
The preparation method comprises the following steps:
firstly, carrying out modification treatment on nano zinc oxide: 80 parts of nano zinc oxide powder is placed in 250 parts of propylene glycol containing 1.2 percent of tween-80, ground by a colloid mill, added with 7 parts of tetraethoxysilane, heated to 60 ℃, added with water dropwise, stirred for 15min, cooled to 25 ℃, and then introduced with CO2And (3) continuously heating the gas to 80 ℃ for reaction for 30min, filtering, washing a filter cake by propylene glycol, drying and crushing, and roasting at 300 ℃.
Then preparing an antibacterial material:
(1) dissolving an activating agent consisting of oxalic acid and silicic acid in water, adding nano zinc oxide, nano cobalt and activated calcium, mixing and stirring uniformly, and heating to 90 ℃ to obtain a mixture 1;
(2) cooling the mixture 1 to 40 ℃, adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutylene succinimide, mixing, and grinding; adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutylene succinimide, mixing, and grinding; finally, the residual 1/3 chlorinated polyoxyethylene is added to obtain the final product.
The specific application is the same as in example 1. After the ceramic glaze is applied to ceramic glaze, the color of the final product is bright.
EXAMPLE 5A highly effective antibacterial Material for ceramics and Quartz plates and preparation thereof
The components are as follows: 85 parts of nano zinc oxide, 10 parts of nano cobalt, 3 parts of activated calcium, 3 parts of chlorinated polyoxyethylene, 5 parts of polyisobutylene succinate and 20 parts of activating agent (consisting of oxalic acid and silicic acid in a mass ratio of 4:1)
The preparation method comprises the following steps:
firstly, carrying out modification treatment on nano zinc oxide: 85 parts of nano zinc oxide powder is placed in 280 parts of propylene glycol containing 2.3 percent of tween-80, ground by a colloid mill, added with 8 parts of tetraethoxysilane, heated to 70 ℃, added with water dropwise, stirred for 30min, cooled to 30 ℃, and then introduced with CO2And (3) continuously heating the gas to 90 ℃ for reaction for 15min, filtering, washing a filter cake by propylene glycol, drying, crushing and roasting at 500 ℃ to obtain the catalyst.
Then preparing an antibacterial material:
(1) dissolving an activating agent consisting of oxalic acid and silicic acid in water, adding nano zinc oxide, nano cobalt and activated calcium, mixing and stirring uniformly, and heating to 85 ℃ to obtain a mixture 1;
(2) cooling the mixture 1 to 30 ℃, adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutylene succinate, mixing, and grinding; adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutylene succinate, mixing, and grinding; finally, the residual 1/3 chlorinated polyoxyethylene is added to obtain the final product.
The specific application is the same as in example 1. After the ceramic glaze is applied to ceramic glaze, the color of the final product is bright.
EXAMPLE 6 an efficient antibacterial Material for ceramics and Quartz plates and preparation thereof
The components are as follows: 40 parts of nano zinc oxide, 0.3 part of nano cobalt, 0.5 part of chlorinated polyoxyethylene, 2 parts of polyisobutylene succinate and 15 parts of potassium silicate.
The preparation method comprises the following steps:
firstly, carrying out modification treatment on nano zinc oxide: 40 parts of nano zinc oxide powder is placed in 120 parts of propylene glycol containing 2.0 percent of Tween-80, ground by a colloid mill, added with 3 parts of tetraethoxysilane and heatedAdding water dropwise at 70 deg.C, stirring for 30min, cooling to 30 deg.C, and introducing CO2And (3) continuously heating the gas to 90 ℃ for reaction for 15min, filtering, washing a filter cake by propylene glycol, drying, crushing and roasting at 450 ℃.
Then preparing an antibacterial material:
(1) dissolving potassium silicate in water, adding nano zinc oxide and nano cobalt, mixing and stirring uniformly, and heating to 85 ℃ to obtain a mixture 1;
(2) cooling the mixture 1 to 30 ℃, adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutylene succinate, mixing, and grinding; adding 1/3 chlorinated polyoxyethylene and 1/2 polyisobutylene succinate, mixing, and grinding; finally, the residual 1/3 chlorinated polyoxyethylene is added to obtain the final product.
The specific application is the same as in example 1. After the ceramic glaze is applied to ceramic glaze, the color of the final product is bright.
Comparative example 1 antibacterial material prepared by substituting zinc oxide for nano zinc oxide and preparation thereof
The same procedure as in example 1 was repeated, except that the nano-zinc oxide was replaced with ordinary zinc oxide (particle size: 5 to 20 μm).
Comparative example 2 antibacterial material containing no nano cobalt oxide and preparation thereof
The process is the same as example 1 except that the nano cobalt oxide is not contained.
Comparative example 3 antibacterial Material prepared with different activators and preparation thereof
The procedure is as in example 1, except that formic acid is used as the activating agent.
Comparative example 4 antibacterial material prepared by modifying nano zinc oxide differently and preparation thereof
The same procedure as in example 1 was repeated, except that the modification treatment method of nano zinc oxide was different.
The specific modification method of the nano zinc oxide comprises the following steps: replacement of propylene glycol with isopropanol
70 parts of nano zinc oxide powder is placed in 200 parts of isopropanol containing 1.7 percent of tween-80, ground by a colloid mill, added with 5 parts of tetraethoxysilane, heated to 65 ℃, added with water dropwise, stirred for 20min, cooled to 28 ℃, and then introduced with CO2And (3) continuously heating the gas to 85 ℃ for reaction for 20min, filtering, washing a filter cake by isopropanol, drying and crushing, and roasting at 400 ℃.
After the ceramic glaze is applied to ceramic glaze, the color of the final product is bright.
Comparative example 5 antibacterial Material prepared by different preparation procedures and preparation thereof
The procedure of example 1 was repeated except that the preparation method of the product was changed
The preparation method comprises the following steps:
(1) dissolving an activating agent consisting of oxalic acid and silicic acid in water, adding nano zinc oxide and nano cobalt, mixing and uniformly stirring, and heating to 85 ℃ to obtain a mixture 1;
(2) cooling the mixture 1 to 30 ℃, adding chlorinated polyoxyethylene and polyisobutylene succinate, mixing, and grinding to obtain the final product.
Effect example 1 antibacterial Activity of respective antibacterial materials
Experimental strains: escherichia coli and Staphylococcus aureus
The test method comprises the following steps: the antibacterial performance of the products of examples 1 to 6, comparative examples 1 to 5, after the antibacterial materials were applied to ceramic bodies, artificial quartz plates, ceramic glazes, was tested according to the method in the JC/T897-2014 standard, and the results are as follows in table 1:
TABLE 1 antimicrobial Properties of the antimicrobial materials
As can be seen from the data in table 1, the antibacterial material provided by the present application has a good antibacterial effect in ceramic bodies, artificial quartz plates and ceramic glazes.
Effect example 2 Effect of respective antibacterial materials on the Properties of Artificial Quartz plate
The artificial quartzite plates obtained in examples 1 to 6 and comparative examples 1 to 5 were subjected to Babbitt hardness and high temperature test studies, and the test standards were as follows: JC/T908 and 2013.
Wherein the evaluation standard of the high temperature resistance is as follows:
no influence: the color and the texture are unchanged;
slight effects: the change of color and texture can only be observed at certain special angles and directions;
moderate effect: the change in color and texture can be observed at any angle and direction, but does not significantly change the original condition of the sample;
significant effects: color and texture changes, including cracking, fissuring or bubbling, have occurred.
TABLE 2 Mohs hardness and high temperature resistance of the antibacterial material applied to the quartz plate in the artificial quartz plate
| Babbitt hardness | High temperature resistance | |
| Example 1 | 77 | Has no influence on |
| Example 2 | 87 | Has no influence on |
| Example 3 | 74 | Has no influence on |
| Example 4 | 82 | Has no influence on |
| Example 5 | 80 | Has no influence on |
| Example 6 | 76 | Has no influence on |
| Comparative example 1 | 69 | Moderate effect |
| Comparative example 2 | 69 | Moderate effect |
| Comparative example 3 | 62 | Moderate effect |
| Comparative example 4 | 70 | Slight influence |
| Comparative example 5 | 64 | Moderate effect |
The above detailed description is specific to one possible embodiment of the present invention, and the embodiment is not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention should be included in the technical scope of the present invention.
Claims (8)
1. A novel high-efficiency antibacterial material for ceramics and quartz plates is characterized by comprising the following components in parts by weight: 40-85 parts of nano zinc oxide, 0.3-10 parts of nano cobalt, 0.5-3 parts of accelerator, 2-5 parts of dispersant and 15-20 parts of activator;
the nano zinc oxide is subjected to modification treatment, and the method comprises the following steps: placing nanometer zinc oxide powder in propylene glycol containing 1.2-2.3% Tween-80, grinding by colloid mill, adding tetraethoxysilane, heating to 60-70 deg.C, adding water dropwise, stirring for 15-30min, cooling to 25-30 deg.C, introducing CO2Continuously heating the gas to 80-90 ℃ for reaction for 15-30min, filtering, washing a filter cake by propylene glycol, drying and crushing, and roasting at 300-;
the activating agent is selected from one or more of oxalic acid and soluble salt thereof, silicic acid and soluble salt thereof, and lactic acid and soluble salt thereof.
2. The novel efficient antibacterial material as claimed in claim 1, further comprising the following components in parts by weight: 1-3 parts of active calcium.
3. The new material with high antibacterial effect as claimed in claim 1 or 2, wherein said accelerator is polyoxyethylene chloride.
4. The new material with high antibacterial efficiency as claimed in claim 1 or 2, wherein said dispersant is selected from one or more of polyisobutylene succinimide, polyisobutylene succinate, and polyisobutylene ashless phosphate.
5. The method for preparing the novel high-efficiency antibacterial material as claimed in claim 1, which comprises the following steps:
(1) dissolving an activating agent in water, adding nano zinc oxide and nano cobalt, mixing and stirring uniformly, and heating to obtain a mixture 1;
(2) and cooling the mixture 1, gradually adding the accelerator and the dispersant, mixing, and grinding to obtain the composition.
6. The method for preparing the novel efficient antibacterial material as claimed in claim 2, which comprises the following steps:
(1) dissolving an activating agent in water, adding nano zinc oxide, nano cobalt and activated calcium, mixing and uniformly stirring, and heating to obtain a mixture 1;
(2) and cooling the mixture 1, gradually adding the accelerator and the dispersant, mixing, and grinding to obtain the composition.
7. The preparation method according to claim 5 or 6, characterized in that, in the step (2), the temperature is reduced to 25-30 ℃, 1/3 accelerant and 1/2 dispersant are added for mixing and grinding; then 1/3 accelerator and 1/2 dispersant are added and mixed, and the mixture is ground; and finally adding the rest 1/3 accelerator to obtain the final product.
8. Use of the new highly efficient antibacterial material according to any one of claims 1 to 4 in ceramic bodies, ceramic glazes and artificial quartz plates.
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| CN109052952A (en) * | 2018-10-16 | 2018-12-21 | 义乌倍肯新材料科技有限公司 | A kind of antibacterial glaze composition and with its ceramic obtained |
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