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Preparation method and uses of nano-silver antimicrobial powder

A production method and technology of antibacterial powder, which are applied in the fields of application, botanical equipment and methods, chemicals for biological control, etc. The method is simple and convenient, the sterilization efficiency is high, and the manufacturing cost is low.

Inactive Publication Date: 2009-01-14
MIDEA GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing heating container cavities, such as microwave oven cavities, are usually made of stainless steel, or processed by ordinary steel and then the surface is sprayed with powder, because stainless steel and ordinary steel are not antibacterial and sterilizable effect; and the microwave oven is a cooking tool. In the process of people’s frequent cooking, it is inevitable that food residues will fall into the cavity. When the microwave oven is not used for a long time, the food residues in the cavity are prone to bacteria, mold, and Odor, bad for user's health

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The preparation method of nano silver antibacterial powder of the present invention, it comprises the following steps:

[0017] 1) get content and be 20% nano Sio2 sol 10 liters; Add 5 liters of 1.5% silver nitrate aqueous solution under the condition of high-speed stirring; Then gradually add 2% hexadecyl trimethyl bromide under the condition of high-speed stirring 5 liters of ammonium chloride solution; heat the above solution to 30°C, then stir at high speed for 30 minutes; add a mixture of 0.8 L of n-butyl titanate, 1.2 liter of pentapropanol, and 0.15 liter of glacial acetic acid for mixing, and stir for 1 hour at high speed; After aging the above solution for 24 hours, dry it in an environment of 90-120°C to obtain a micron-sized inorganic antibacterial powder; the contents of each component are mass percentages;

[0018] 2) adding 0 to 20 micron TiO of the same quality to the inorganic antibacterial powder obtained in step 1) for mixed ball milling, and stirring ...

Embodiment 2

[0025] The preparation method of nano silver antibacterial powder of the present invention, it comprises the following steps:

[0026] The preparation method of nano silver antibacterial powder of the present invention, it comprises the following steps:

[0027] 1) get content and be 10% nano Sio2 sol 100 liters; Add 1% silver nitrate aqueous solution 50 liters under the condition of high-speed stirring; Then gradually add 1.5% hexadecyl trimethyl bromide under the condition of high-speed stirring 50 liters of ammonium chloride solution; heat the above solution to 20°C, then stir at high speed for 20 minutes; add a mixture of 8 liters of n-butyl titanate, 10 liters of pentapropanol, and 1.5 liters of glacial acetic acid for mixing, and stir at high speed for 1 hour; After aging the above solution for 20-30 hours, dry it at 90-120°C to obtain a micron-sized inorganic antibacterial powder; where A is a value greater than zero, and the contents of each component are mass percenta...

Embodiment 3

[0035] The preparation method of nano silver antibacterial powder of the present invention, it comprises the following steps:

[0036] 1) get content and be 15% nano Sio2 sol 50 liters; Add 25 liters of 1.5% silver nitrate aqueous solution under the condition of high-speed stirring; Then gradually add 2% hexadecyl trimethyl bromide under the condition of high-speed stirring 25 liters of ammonium chloride solution; heat the above solution to 20-40°C, and then stir at high speed for 20-40 minutes; Stir for 1 hour; after aging the above solution for 20-30 hours, dry it at 90-120°C to obtain a micron-sized inorganic antibacterial powder; where A is a value greater than zero, and the content of each component All are percentages by mass.

[0037] 2) adding 0 to 20 micron TiO of the same quality to the inorganic antibacterial powder obtained in step 1) for mixed ball milling, and stirring evenly to make a composite antibacterial powder;

[0038] 3) Mix 30% of saturated polyester, ...

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PUM

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Abstract

The invention relates to a nano silver anti-bacterial powder preparation method and the application thereof. The nano silver anti-bacterial powder can be sprayed on the surface of the cavity of a heating container. The nano silver anti-bacterial powder of the invention has high sterilization efficiency, the preparation method of the nano silver anti-bacterial powder is simple and convenient, and the preparation cost is low. The nano silver anti-bacterial powder of the invention is sprayed on the surface of the cavity of a micro-wave oven, can resist bacteria for a long time, meanwhile, because a certain amount of flashy mica powder is mixed into the nano silver anti-bacterial powder, the cavity has the advantages of rich appearance color, luster and the effect of flashy silver.

Description

technical field [0001] The invention relates to a manufacturing method of nano-silver antibacterial powder and its application, and belongs to the modification technology of the manufacturing method of nano-silver antibacterial powder and its application. Background technique [0002] Existing heating container cavities, such as microwave oven cavities, are usually made of stainless steel, or processed by ordinary steel and then the surface is sprayed with powder, because stainless steel and ordinary steel do not have antibacterial and sterilizing properties. effect; and the microwave oven is a cooking tool. In the process of people’s frequent cooking, it is inevitable that food residues will fall into the cavity. When the microwave oven is not used for a long time, the food residues in the cavity are prone to bacteria, mold, and Odor is not good for user's health. Contents of the invention [0003] The object of the present invention is to provide a kind of preparation m...

Claims

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Application Information

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IPC IPC(8): A01N59/16A01P1/00B22F9/00B22F9/24
Inventor 郑文强
Owner MIDEA GRP CO LTD
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