Formula and method for producing novel antibacterial ceramic
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An antibacterial ceramic and a new technology, applied in the field of ceramic preparation, can solve the problems of boron mud pollution and other problems, and achieve the effect of solving the pollution of the environment, with obvious effect and strong practicability.
Active Publication Date: 2015-03-25
泉州理工职业学院
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[0006] One object of the present invention is to provide a formula for producing novel antibacterial ceramics that has a long-term antibacteri...
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Embodiment 1
[0037] When the weight ratio of water added in the formula to mixture A is less than 1:4, or greater than 3:7, regardless of the hardness of mixture A, ceramic clay, kaolinite, potassium feldspar, quartz sand, titanium diboride and waste ceramics However, it is difficult to form a uniform, corresponding humidity, green body slurry that can be molded, or it cannot be fired into ceramics. Therefore, the weight ratio of water to mixture A is less than 1:4, or greater than 3:7.
Embodiment 2
[0039] Take 10, 15 and 24 parts of mixture A, 15, 20 and 25 parts of ceramic clay, 10, 15 and 20 parts of kaolinite, 5, 8 and 10 parts of potassium feldspar, 5, 8 and 10 parts of quartz sand, diboron 5, 8 and 10 parts of titanium oxide, 10, 15 and 20 parts of waste ceramic hard particles, and 9, 10 and 10.5 parts of water are stirred to make three groups of green body slurries, and three groups of green body slurries are placed in The semi-finished body is formed in a plaster mold, then demoulded, dried, and glazed, and put into the kiln at a heating rate of 5°C / min, 8°C / min, and 10°C / min, respectively, at 1210°C, 1250°C, and 1290°C , firing 13, 14 and 15 hours to three groups of green body slurry. Cool out of the kiln to make ceramic products. The antibacterial performance test was not obvious, and the microscopic examination results showed that the total number of colonies did not significantly decrease. Therefore, the ratio of the lower proportion of mixture A is discarde...
Embodiment 3
[0041] Take mixture A37, 45 and 50 parts, ceramic clay 15, 20 and 25 parts, kaolinite 10, 15 and 20 parts, potassium feldspar 5, 8 and 10 parts, quartz sand 5, 8 and 10 parts, diboron 5, 8, and 10 parts of titanium dioxide, 10, 15, and 20 parts of waste ceramic hard particles, and 9, 10, and 10.5 parts of water were mixed in proportion, and it was difficult to form a uniform, corresponding humidity, and moldable green body. slurry, or cannot be fired into ceramics. Therefore abandon the ratio that boron mud accounts for the higher proportion.
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Abstract
The invention provides a formula for producing a novel antibacterial ceramic. The formula is mainly formed by mixing a mixture A, ceramic clay, kaolinite, potash feldspar, quartz sand, titanium diboride and waste ceramic hard particles. Thus, a boron element is used as an antibacterial factor, various components are reasonably mixed to form raw materials for manufacturing the ceramic, and the finished ceramic can release the antibacterial factor for a long time as a whole, has obvious long-term antibacterial and bactericidal effects and can overcome the defects of complex process, high cost, insufficient and non-lasting antibacterial effect and the like caused by a traditional antibacterial way; and furthermore, in actual production, industrial waste boron mud can be used as the raw material of the boron element, the using amount is large, and the effects of utilizing wastes and solving pollution caused by the boron mud are obvious, so that the ceramic provided by the invention has a lasting antibacterial effect, simultaneously solves the problem of environmental pollution caused by the boron mud, and is further environment-friendly, low in cost and strong in practicality. The invention further provides two methods for producing the novel antibacterial ceramic, the process steps are clear and simple, and the novel antibacterial ceramic can be prepared with high efficiency.
Description
technical field [0001] The invention relates to the field of ceramic preparation, in particular to a formula for producing novel antibacterial ceramics and two methods for producing novel antibacterial ceramics. Background technique [0002] The firing process of ceramics is well-known. For example, the Chinese invention patent CN98126482.4 discloses a new process for the production of ceramic products. The blank is dried and calcined, and 10%-50% of glass powder and 90%-50% of After the aggregate powder is mixed evenly, add water to moisten and press semi-dry to form a billet, and then calcinate the billet at a temperature of 800-850°C. Aggregate powder is porcelain powder, pottery powder, quartz stone powder, granite powder, brick powder or other igneous rock powder, which is hard, does not decompose below 850°C, does not undergo crystal transformation, does not chemically interact with water at room temperature, Materials that are firmly bonded to molten glass during the...
Claims
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