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Method for preparing silver-carrying ion and copper ion kaolin anti-bacteria agent

A technology of kaolin and copper ions, which is used in the preparation of inorganic antibacterial agents and the preparation of silver ions and copper ion kaolin antibacterial agents, can solve the problems of easy pollution of the environment and complex process conditions, and achieve a ring-free mirror pollution and simple process , easy to realize the effect of industrialization

Inactive Publication Date: 2011-05-18
中国高岭土有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a preparation method of kaolin antibacterial agent loaded with silver ions and copper ions, the purpose is to solve the existing problems of complex process conditions and easy pollution of the environment in the prior art

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The mass content of silicon dioxide is below 46%, the mass content of ferric oxide is below 0.5%, the mass content of aluminum oxide is 37%-50%, the whiteness is 83-85%, and the average particle size is 0.6-0.8 micron; particles with a diameter of less than 2 microns are greater than 85%, the 325-mesh sieve is less than 0.01%, the moisture content is less than 0.5%, and the bulk specific gravity is 0.3-0.5g / cm 3The relatively pure kaolin dry powder is calcined at 550°C to 650°C (this temperature is the temperature at which kaolin loses structural water, and a large amount of space is created after dehydration, which can greatly increase the amount of silver adsorption), and the mass content of silicon dioxide is 54%. Below, the mass content of ferric oxide is below 0.5%, the mass content of aluminum oxide is 45% to 50%, the whiteness is 88 to 92%, and the average particle size is 0.6 to 0.8 microns; the moisture content is less than 0.3%. The specific gravity is 0.4~0.6...

Embodiment 2

[0037] The production materials are 600ml of distilled water, 14.3 grams of copper sulfate, 37 grams of sodium dihydrogen phosphate, 49 grams of silver nitrate, 11 grams of ammonium chloride, and 14 grams of ammonium dihydrogen phosphate. The specific manufacturing steps are the same as in Embodiment 1.

[0038] Embodiment three: a kind of preparation method of silver ion and copper ion kaolin antibacterial agent

Embodiment 3

[0039] The production materials are 600ml of distilled water, 12.5 grams of copper acetate, 36.5 grams of sodium dihydrogen phosphate, 49.5 grams of silver citrate, 13 grams of ammonium chloride, and 12.3 grams of ammonium dihydrogen phosphate. The specific manufacturing steps are the same as in Embodiment 1.

[0040] Embodiment four: a kind of preparation method of silver ion and copper ion kaolin antibacterial agent

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Abstract

A preparation method of kaolin antibacterial agent loaded with silver ion and copper ion pertains to the technical field of chemical function material. The method is characterized in that firstly silver salt, sodium dihydrogen phosphate, copper salt and water are mixed into solution, and then mixed with kaolin when stirring and finally added with ammonia chloride and ammonium dihydrogen phosphate, so as to obtain the kaolin antibacterial agent loaded with silver ion and copper ion after drying, grinding, calcining and regrinding. The method of low-temperature calcining kaolin loaded with silver ion and copper ion provided by the present invention has the advantages of simple process, good effect, being easy for realizing industrialization and no environment pollution.

Description

technical field [0001] The invention relates to a preparation method of an inorganic antibacterial agent, in particular to a preparation method of a kaolin antibacterial agent loaded with silver ions and copper ions, and belongs to the technical field of chemical functional materials. Background technique [0002] With the development of science and technology and the improvement of people's living standards, people have higher and higher requirements for hygiene and health, and antibacterial products have gradually changed from military supplies to civilian supplies and developed rapidly. Antibacterial materials such as antibacterial plastics, antibacterial fibers, antibacterial ceramics, and antibacterial steel have all appeared on the market and are used in various fields, and are very popular among consumers. Inorganic antibacterial agents are a class of antibacterial agents made by utilizing the bactericidal or bacteriostatic capabilities of silver, copper, zinc, titani...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N59/16A01N59/20A01P1/00A01N59/00
Inventor 陈丽昆尤振根叶祖望浦正行李勇张忠飞
Owner 中国高岭土有限公司
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